Add autoconf outputs (fix #916)

I updated some of these gems for a different project, and
suddenly `rake build` was giving very different output
compared to the current gh-pages. This commit makes sure
everyone updating gh-pages is using reasonably similar
versions, so we avoid spurious diffs.

.gitattributes

@@ -0,0 +1,2 @@
+.gitattributes export-ignore
+.gitignore export-ignore

.gitignore

@@ -0,0 +1,47 @@
+*.o
+*.a
+*.lo
+*.la
+*.lai
+*.so
+*.so.*
+*~
+.*.sw[a-p]
+tags
+
+jq
+!tests/modules/lib/jq/
+jq.1
+
+# Something delightfully recursive happens otherwise
+docs/content/2.download/source/*
+
+# Autotools junk
+.libs
+.deps
+libtool
+*.log
+stamp-h1
+config.log
+config.status
+autom4te.cache
+INSTALL
+Makefile
+jq-*.tar.gz
+configure
+aclocal.m4
+Makefile.in
+version.h
+.remake-version-h
+config.cache
+*.rpm
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+tests/*.trs
+
+cscope.in.out
+cscope.out
+cscope.po.out

.travis.yml

@@ -0,0 +1,53 @@
+sudo: false
+
+language: c
+
+compiler:
+    - gcc
+    - clang
+
+matrix:
+    include:
+        - compiler: gcc
+          env: COVERAGE="--disable-valgrind --enable-gcov"
+
+addons:
+    apt:
+        packages:
+            - libonig-dev
+            - valgrind
+
+before_install:
+    - rm lexer.h lexer.c parser.h parser.c
+
+install:
+    - bundle install --gemfile=docs/Gemfile
+
+    - wget http://ftp.debian.org/debian/pool/main/b/bison/bison_3.0.2.dfsg-2_amd64.deb
+    - ar p bison_3.0.2.dfsg-2_amd64.deb data.tar.xz | tar xJ
+
+    - if [ -n "$COVERAGE" ]; then pip install --user cpp-coveralls; fi
+
+before_script:
+    - autoreconf -i
+    - ./configure
+        YACC="usr/bin/bison -y"
+        $COVERAGE
+
+script:
+    - make -j4 BISON_PKGDATADIR=$(pwd)/usr/share/bison
+    - make check -j4
+
+after_script:
+    - |
+        if [ -n "$COVERAGE" ]; then
+            rm -rf .libs usr # don't care about coverage for libjq and bison
+            coveralls -e lexer.c -e parser.c -e jv_dtoa.c --gcov-options '\-lp'
+        fi
+
+after_failure:
+    - cat test-suite.log
+    - cat tests/*.log
+
+notifications:
+    email: false

AUTHORS

@@ -0,0 +1,73 @@
+Created By:
+Stephen Dolan        <mu@netsoc.tcd.ie>
+
+Maintained by:
+Nicolas Williams     <nico@cryptonector.com>
+William Langford     <wlangfor@gmail.com>
+David Tolnay         <dtolnay@gmail.com>
+
+Contributions by:
+Andrew Rodland       <andrew@cleverdomain.org>        - bug fixes
+Ankur                <ankz.kothari@gmail.com>         - bug fixes
+Anthony Shortland    <anthony.shortland@me.com>       - rpmbuild target
+Brendan Macmillan    <melbourne.research@gmail.com>   - bug fixes, load library from ~/.jq
+David R. MacIver     <david@drmaciver.com>            - bug fixes
+David Tolnay         <dtolnay@gmail.com>              - destructuring, build improvements
+Filippo Giunchedi    <fgiunchedi@gmail.com>           - bug fixes
+Filippo Valsorda     <filippo.valsorda@gmail.com>     - recursive object merge (`*`)
+Jack Pearkes         <jackpearkes@gmail.com>          - update tutorial
+Jingwen Owen Ou      <jingweno@gmail.com>             - jqplay.org and link to it
+Joe Littlejohn       <joe.littlejohn@nokia.com>       - bug fixes
+Juan Guerrero        <juan.guerrero.lozano@gmail.com> - bug fixes  
+Kenny Shen           <kenny.shen@zalora.com>          - doc fixes
+Lee Thompson         <stagr.lee@gmail.com>            - autoconf stuff
+Markus Lanthaler     <mark_lanthaler@gmx.net>         - doc fixes
+Michael Daines       <michael@mdaines.com>            - add sqrt; doc fixes
+Mike McCabe          <mccabe@archive.org>             - math (libm) functions
+Nicolas Pouillard    <nicolas.pouillard@gmail.com>    - add tests
+Nicolas Williams     <nico@cryptonector.com>          - library-fication, autoconf stuff, exception handling, various
+Peter van Dijk       <peter@7bits.nl>                 - doc fixes
+Philipp Hagemeister  <phihag@phihag.de>               - doc fixes
+polyester            <paul@cleanclothes.org>          - automake version update
+Rémy Léone           <remy.leone@gmail.com>           - add .travis.yml
+Ryoichi KATO         <ryo1kato@gmail.com>             - doc fixes
+Santiago Lapresta    <santiago.lapresta@gmail.com>    - join, arrays, all, any, other filters
+pkoppstein           <pkoppstein@gmail.com>           - various builtins, improvements
+13ren                <melbourne.research@gmail.com>
+Aaron Peschel        <apeschel@zendesk.com>
+Adam Lindberg        <hello@alind.io>
+Alex Chamberlain     <alex@alexchamberlain.co.uk>
+Andrew O'Brien       <obrien.andrew@gmail.com>        - docs build
+Assaf Gordon         <assafgordon@gmail.com>          - error handling
+cdnbacon             <mike@busbud.com>
+Charles Merriam      <charles.merriam@gmail.com>
+Colin von Heuring    <colin@janrain.com>
+Damian Gryski        <damian@gryski.com>
+David Haguenauer     <ml@kurokatta.org>
+Doug Luce            <doug@github.con.com>            - build
+Eiichi Sato          <sato.eiichi@gmail.com>
+Hanfei Shen          <qqshfox@gmail.com>
+Ian Miell            <ian.miell@gmail.com>
+i                    <isomorphisms@sdf.org>
+James Andariese      <james.andariese@locationlabs.com> - Dockerfile
+jkleint              <jkleint@gmail.com>
+Joel Purra           <code+github@joelpurra.com>
+Kim De Mey           <kim.demey@gmail.com>            - build
+Kim Toms             <kim.toms@bplglobal.net>
+LCD 47               <lcd047@gmail.com>
+Lee Thompson         <thompson@dtosolutions.com>      - rpm
+Marc Abramowitz      <marc@marc-abramowitz.com>
+Marc Bruggmann       <marcbr@spotify.com>
+Maxime Biais         <maxime.biais@gmail.com>         - build
+Mike Fletcher        <john.m.fletcher@bankofamerica.com>
+Sebastian Freundt    <freundt@ga-group.nl>            - build
+Shay Elkin           <shay@everything.me>
+Simon Elsbrock       <simon@iodev.org>                - Debian
+Stefan Seemayer      <stefan@seemayer.de>
+Stephen Roantree     <stroantree@gmail.com>
+Stephen Shaw         <stesh@netsoc.tcd.ie>
+Steven Maude         <StevenMaude@users.noreply.github.com>
+Steven Penny         <svnpenn@gmail.com>              - Windows bug fixes
+tal@whatexit.org     <tal@whatexit.org>
+Travis Gockel        <travis@gockelhut.com>
+Zhiming Wang         <zmwangx@gmail.com>

COPYING

@@ -0,0 +1,70 @@
+jq is copyright (C) 2012 Stephen Dolan
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+
+jq's documentation (everything found under the docs/ subdirectory in
+the source tree) is licensed under the Creative Commons CC BY 3.0
+license, which can be found at:
+
+         https://creativecommons.org/licenses/by/3.0/
+
+The documentation website includes a copy of Twitter's Boostrap and
+relies on Bonsai, Liquid templates and various other projects, look
+them up for detailed licensing conditions.
+         
+
+         
+jq incorporates David M. Gay's dtoa.c and g_fmt.c, which bear the
+following notices:
+
+dtoa.c:
+The author of this software is David M. Gay.
+
+Copyright (c) 1991, 2000, 2001 by Lucent Technologies.
+
+Permission to use, copy, modify, and distribute this software for any
+purpose without fee is hereby granted, provided that this entire notice
+is included in all copies of any software which is or includes a copy
+or modification of this software and in all copies of the supporting
+documentation for such software.
+
+THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+WARRANTY.  IN PARTICULAR, NEITHER THE AUTHOR NOR LUCENT MAKES ANY
+REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+
+g_fmt.c:
+The author of this software is David M. Gay.
+
+Copyright (c) 1991, 1996 by Lucent Technologies.
+
+Permission to use, copy, modify, and distribute this software for any
+purpose without fee is hereby granted, provided that this entire notice
+is included in all copies of any software which is or includes a copy
+or modification of this software and in all copies of the supporting
+documentation for such software.
+
+THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+WARRANTY.  IN PARTICULAR, NEITHER THE AUTHOR NOR LUCENT MAKES ANY
+REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+

Dockerfile

@@ -0,0 +1,50 @@
+FROM debian:8
+
+COPY . /app
+
+# get dependencies, build, and remove anything we don't need for running jq.
+# valgrind seems to have trouble with pthreads TLS so it's off.
+
+RUN apt-get update && \
+    apt-get install -y \
+        build-essential \
+	autoconf \
+	libtool \
+	git \
+	bison \
+	flex \
+	ruby \
+	wget \
+	ruby-dev && \
+    wget http://www.geocities.jp/kosako3/oniguruma/archive/onig-5.9.6.tar.gz && \
+    sha512sum onig-5.9.6.tar.gz | grep 4a181ea6f0e1a018bbaf6c87e666dfffd1ef4b8f5dcead07fa0b6564a76174e7e01854173924668433ae74c455dbced6a0e1b43e9066f0499b4a57e855e1a2b2 && \
+    tar zxvf onig-5.9.6.tar.gz && \
+    (cd onig-5.9.6 && \
+        ./configure --prefix=/usr/local && \
+        make && \
+	make install ) && \
+    gem install bundler && \
+    (cd /app/docs && bundle install) && \
+    (cd /app && \
+        autoreconf -i && \
+        ./configure --disable-valgrind --enable-all-static --prefix=/usr/local && \
+	make -j8 && \
+	make check && \
+	make install && \
+	make distclean ) && \
+    (cd onig-5.9.6 && \
+        make uninstall ) && \
+    apt-get purge -y \
+        build-essential \
+	autoconf \
+	libtool \
+	bison \
+	git \
+	flex \
+	ruby \
+	ruby-dev && \
+    apt-get autoremove -y && \
+    rm -rf onig-5.9.6 && \
+    rm -rf /var/lib/apt/lists/* /var/lib/gems
+
+ENTRYPOINT ["/usr/local/bin/jq"]

JQ.hs

@@ -1,157 +0,0 @@
-module JQ where
-import Text.JSON
-import Text.JSON.String
-import Data.Maybe
-import Data.List (sortBy,sort,groupBy)
-import Data.Function (on)
-import Data.Ord (comparing)
-import Control.Monad
-import Control.Monad.Writer
-import Control.Monad.List
-import Control.Monad.Reader
-
-type Path = [Either Int String]
-
-type Program = JSValue -> [(JSValue, Path)]
-
-type JQ = ReaderT JSValue (WriterT Path [])
-
-runJQ :: JQ a -> JSValue -> [a]
-runJQ prog val = map fst $ runWriterT $ runReaderT prog val
-
-(>|) :: JQ JSValue -> JQ a -> JQ a
-a >| b = do
-  val <- a
-  local (const val) b
-
-collect :: JQ a -> JQ [a]
-collect prog = do
-  arg <- ask
-  return $ runJQ prog arg
-  
-collectPaths :: JQ a -> JQ [(a,Path)]
-collectPaths prog = do
-  arg <- ask
-  return $ runWriterT $ runReaderT prog arg
-
-insert :: JSValue -> (JSValue, Path) -> JSValue
-insert base (replace, []) = replace
-insert (JSArray values) (replace, ((Left n):rest)) = JSArray values'
-    where
-      (left, (_:right)) = splitAt n values
-      values' = left ++ [replace] ++ right
-insert (JSObject obj) (replace, ((Right k):rest))= JSObject $ toJSObject obj'
-    where
-      withoutK = filter ((/= k) . fst) $ fromJSObject obj
-      obj' = (k, replace):withoutK
-
-
-eqj a b = JSBool $ a == b
-
-
-liftp :: (JSValue -> JSValue) -> JQ JSValue
-liftp f = liftM f ask
-
-idp = undefined
-failp t = []
-
-constp :: JSValue -> Program
-constp t t' = idp t
-
-anyj :: [JSValue] -> Bool
-anyj values = any isTrue values
-  where
-    isTrue (JSBool False) = False
-    isTrue (JSNull) = False
-    isTrue _ = True
-
-selectp prog = do
-  match <- collect prog
-  guard $ anyj match
-  ask
-
-constStr :: String -> JQ JSValue
-constStr = return . JSString . toJSString
-
-constInt :: Int -> JQ JSValue
-constInt = return . JSRational False . toRational
-
-updatep p = do
-  t <- ask
-  liftM (foldl insert t) $ collectPaths p
-
-arrayp prog = liftM JSArray $ collect prog
-
-
-childp' :: JSValue -> JQ JSValue
-childp' (JSArray values) = msum [tell [Left i] >> return v | (v,i) <- zip values [0..]]
-childp' (JSObject obj) = msum [tell [Right k] >> return v | (k,v) <- fromJSObject obj]
-childp' _ = mzero
-
-childp = ask >>= childp'
-
---findp :: Program -> Program
-findp prog = do
-  found <- collect prog
-  if anyj found then ask else childp >| findp prog
-
-groupp prog = do
-  list <- ask
-  case list of
-    JSArray values -> do
-      marked <- forM values $ \v -> do 
-        m <- collect (return v >| prog)
-        return (m,v)
-      msum $
-        map (return . JSArray . map snd) $ 
-        groupBy ((==) `on` fst) $ 
-        sortBy (comparing fst) $ 
-        marked
-    _ -> return JSNull
-
-
-  
-
-withArray f (JSArray values) = JSArray $ f values
-withArray f x = x
-
-callp "select" [p] = selectp p
-callp "find" [p] = findp p
-callp "set" [p] = updatep p
-callp "sort" [] = liftp (withArray sort)
-callp "group" [p] = groupp p
-
-lookupj :: JSValue -> JSValue -> JQ JSValue
-lookupj (JSArray values) (JSRational _ n) = do
-  let idx = round n
-  tell [Left idx]
-  if idx >= 0 && idx < length values
-    then return $ values !! idx
-    else return $ JSNull
-lookupj (JSObject obj) (JSString s) = do
-  tell [Right (fromJSString s)]
-  case (lookup (fromJSString s) (fromJSObject obj)) of
-    Just x -> return x
-    Nothing -> return JSNull
-lookupj _ _ = mzero
-
-
-plusj (JSRational _ n1) (JSRational _ n2) = JSRational True (n1 + n2)
-plusj (JSString s1) (JSString s2) = JSString $ toJSString (fromJSString s1 ++ fromJSString s2)
-plusj (JSArray a1) (JSArray a2) = JSArray $ a1 ++ a2
-
-
-js :: JSON a => a -> JSValue
-js = showJSON
-
-index s = do
-  v <- ask
-  lookupj v (js s)
-
-
-dictp progs = do
-  liftM (JSObject . toJSObject) $ forM progs $ \(k,v) -> do
-    JSString k' <- k
-    v' <- v
-    return (fromJSString k', v')
-

Lexer.x

@@ -1,101 +0,0 @@
-{
-module Lexer where
-import Control.Monad.Error
-}
-
-%wrapper "monadUserState"
-
-$digit = 0-9
-$alpha = [a-zA-Z_]
-@reserved = "."|"["|"]"|","|":"|"("|")"|"{"|"}"|"|"|"=="|"+"
-@ident = $alpha [$alpha $digit]*
-@string = \" ($printable)* \"
-
-
-tokens :- 
-
-<0> $white+             ;
-<0> @reserved           { tok TRes }
-<0> @ident              { tok TIdent }
-<0> $digit+             { tok $ TInt . read }
-
-
-<0> \"                  { enterString }
-<string> \"             { leaveString }
-<string> ($printable # [\"\\]) { pushString id }
-<string> \\ [\"\\\/]    { pushString (drop 1) }
-<string> \\ [nrt]       { pushString (escape . drop 1) }
---<string> \\ 'u' [0-9a-fA-F]{4}
---                        { pushString (parseUnicode . drop 2) }
-
--- @string { \s -> TString $ init $ tail s}
-
-
-{
-  
-escape :: String -> String
-escape "r" = "\r"
-escape "n" = "\n"
-escape "t" = "\t"
-
-getState :: Alex AlexState
-getState = Alex $ \s -> Right (s, s)
-
-getUserState :: Alex AlexUserState
-getUserState = liftM alex_ust getState
-
-setUserState :: AlexUserState -> Alex ()
-setUserState s' = Alex $ \s -> Right (s{alex_ust = s'}, ()) 
-
-alexEOF = return $ Nothing
-
-enterString input len = do
-  setUserState []
-  alexSetStartCode string
-  skip input len
-
-pushString f i@(p, _, s) len = do
-  buf <- getUserState
-  setUserState (buf ++ [f $ take len s])
-  skip i len
-  
-leaveString input len = do
-  s <- getUserState
-  alexSetStartCode 0
-  return $ Just $ TString $ concat s
-  
-
-tok f (p,_,s) len = return $ Just $ f (take len s)
-data Token = TRes String | TString String | TIdent String | TInt Int
-
-instance Show Token where
-  show (TRes t) = "token " ++ t
-  show (TString t) = "string " ++ t
-  show (TIdent t) = "identifier " ++ t
-  show (TInt t) = "integer " ++ show t
-
-
-type AlexUserState = [String]
-
-alexInitUserState = undefined
-
-wrapError (Alex scanner) = Alex $ \s -> case scanner s of
-  Left message -> Left (message ++ " at " ++ showpos (alex_pos s))
-    where
-      showpos (AlexPn off line col) = "line " ++ show line ++ ", column " ++ show col
-  x -> x
-
-scanner = do
-  tok <- wrapError alexMonadScan
-  case tok of
-    Nothing -> do
-      s <- getState
-      case alex_scd s of
-        0 -> return []
-        string -> alexError "Unterminated string literal"
-    Just tok -> liftM (tok:) scanner
-
-runLexer :: String -> Either String [Token]
-runLexer input = runAlex input scanner
-
-}

Main.hs

@@ -1,22 +0,0 @@
-import Parser
-import Lexer
-import JQ
-import Text.JSON
-import Text.JSON.String
-import System.Environment
-import Control.Monad
-import System.IO
-
-
-parseJS :: String -> JSValue
-parseJS s = case runGetJSON readJSValue s of
-  Left err -> error err
-  Right val -> val
-
-  
-main = do
-  [program] <- getArgs
-  json <- liftM parseJS $ hGetContents stdin
-  case runLexer program >>= runParser of
-    Left err -> putStrLn err
-    Right program -> mapM_ (putStrLn . encode) (runJQ program json)

Makefile.am

@@ -0,0 +1,198 @@
+
+### C source files to be built and distributed.
+
+LIBJQ_INCS = jq_parser.h builtin.h bytecode.h compile.h exec_stack.h	\
+   libm.h jv_alloc.h jv_dtoa.h jv_unicode.h locfile.h		 	\
+   opcode_list.h parser.y jv_utf8_tables.h lexer.l util.h linker.h
+
+LIBJQ_SRC = locfile.c bytecode.c compile.c execute.c builtin.c jv.c	\
+  jv_parse.c jv_print.c jv_dtoa.c jv_unicode.c jv_aux.c jv_file.c	\
+  jv_alloc.c jq_test.c util.c linker.c ${LIBJQ_INCS}
+
+### C build options
+
+AM_CFLAGS = -Wextra -Wall -Wno-missing-field-initializers	\
+  -Wno-unused-parameter -Wno-unused-function
+
+ACLOCAL_AMFLAGS = -I config/m4
+
+### Generating the lexer and parser
+
+# While there is some autoconf macro support for lex/flex, it doesn't support
+# header file creation so we'll use good old make
+if MAINTAINER_MODE
+BUILT_SOURCES = lexer.h lexer.c parser.h parser.c version.h
+lexer.c: lexer.l
+	$(AM_V_LEX) flex -o lexer.c --header-file=lexer.h $<
+lexer.h: lexer.c
+else
+BUILT_SOURCES = 
+.y.c:
+	$(AM_V_YACC) echo "NOT building parser.c!"
+.l.c:
+	$(AM_V_LEX) echo "NOT building lexer.c!"
+endif
+
+# Tell YACC (bison) autoconf macros that you want a header file created.
+# If the --warnings=all fails, you probably have an old version of bison
+# OSX ships an old bison, so update with homebrew or macports
+AM_YFLAGS = --warnings=all -d
+
+### libjq
+
+lib_LTLIBRARIES = libjq.la
+libjq_la_SOURCES = ${LIBJQ_SRC}
+libjq_la_LIBADD = -lm
+libjq_la_LDFLAGS = -export-symbols-regex '^j[qv]_' -version-info 1:4:0
+
+include_HEADERS = jv.h jq.h
+
+### Running tests under Valgrind
+
+if ENABLE_VALGRIND
+NO_VALGRIND =
+else
+NO_VALGRIND = 1
+endif
+
+### Code coverage with gcov
+
+if ENABLE_GCOV
+AM_CFLAGS += --coverage --no-inline
+endif
+
+### Error injection for testing
+
+if ENABLE_ERROR_INJECTION
+lib_LTLIBRARIES += libinject_errors.la
+libinject_errors_la_SOURCES = inject_errors.c
+libinject_errors_la_LIBADD = -ldl
+libinject_errors_la_LDFLAGS = -module
+endif
+
+### Building the jq binary
+
+# Remake the version.h header file if, and only if, the git ID has changed
+.PHONY: .FORCE
+.FORCE:
+generate_ver = ver="`{ $(srcdir)/scripts/version || echo '$(VERSION)' ; } | sed 's/.*/\#define JQ_VERSION \"&\"/'`"
+.remake-version-h: .FORCE
+	@ $(generate_ver); test "x`cat version.h 2>/dev/null`" = "x$$ver" || touch .remake-version-h
+version.h: .remake-version-h
+	$(AM_V_GEN) $(generate_ver); echo "$$ver" > $@
+main.c: version.h
+
+bin_PROGRAMS = jq
+jq_SOURCES = main.c version.h
+jq_LDFLAGS = -static-libtool-libs
+jq_LDADD = libjq.la -lm
+
+if ENABLE_ALL_STATIC
+jq_LDFLAGS += -all-static
+endif
+
+### Tests (make check)
+
+TESTS = tests/mantest tests/jqtest tests/onigtest tests/shtest
+TESTS_ENVIRONMENT = NO_VALGRIND=$(NO_VALGRIND)
+
+
+### Building the manpage
+
+# If ENABLE_DOCS is not set, just copy jq.1.default to jq.1
+# The real_docs target succeeds (possibly after building jq.1) only if ENABLE_DOCS is set
+# Thus, making "dist" depend on "real_docs" ensures that we never build a tarball with
+# a stub manpage.
+
+man_MANS = jq.1
+.PHONY: real_docs
+if ENABLE_DOCS
+jq.1: $(srcdir)/docs/content/3.manual/manual.yml
+	$(AM_V_GEN) ( cd ${abs_srcdir}/docs; '$(BUNDLER)' exec rake manpage ) > $@ || { rm -f $@; false; }
+jq.1.prebuilt: jq.1
+	$(AM_V_GEN) cp $^ $@ || { rm -f $@; false; }
+jq.1.default: $(srcdir)/docs/default_manpage.md
+	$(AM_V_GEN) ( cd ${abs_srcdir}/docs; '$(BUNDLER)' exec rake manpage_default ) > $@ || { rm -f $@; false; }
+real_docs: jq.1 jq.1.prebuilt
+	@if cmp jq.1 $(srcdir)/jq.1.default > /dev/null; then\
+	  rm -f jq.1; $(MAKE) $(AM_MAKEFLAGS) jq.1;\
+	fi
+else
+jq.1: $(srcdir)/jq.1.prebuilt
+	$(AM_V_GEN) cp $^ $@
+real_docs:
+	@echo "Ruby dependencies not found, cannot build manpage." > /dev/stderr
+	@echo "Follow the instructions in docs/README.md to install them" > /dev/stderr
+	@echo "and then rerun ./configure" > /dev/stderr
+	@echo "A pre-built, possibly out-of-date manpage used." > /dev/stderr
+	false
+endif
+
+
+### Packaging
+
+docs/site.yml: configure.ac
+	sed 's/^jq_version: .*/jq_version: "$(VERSION)"/' $@ > $@.new
+	mv $@.new $@
+
+install-binaries: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-exec
+
+# Ensure "make dist" fails when we can't build the real manpage
+dist-hook: real_docs
+
+DOC_FILES = docs/content docs/public docs/templates docs/site.yml	\
+            docs/Gemfile docs/Gemfile.lock docs/Rakefile docs/README.md \
+            docs/default_manpage.md jq.1.default
+
+# setup is only used by distribution developers, not package developers.
+# Still, as a matter of allowing patching, its not a bad idea to distribute 
+# the developer setup script in the tarball.
+EXTRA_DIST = $(man_MANS) $(TESTS) $(TEST_LOG_COMPILER) jq.spec		\
+	$(DOC_FILES) scripts/version parser.h parser.c lexer.h		\
+	lexer.c tests/onig.supp tests/torture/input0.json		\
+	tests/modules/.jq tests/modules/a.jq tests/modules/b/b.jq	\
+	tests/modules/c/c.jq tests/modules/c/d.jq			\
+	tests/modules/lib/jq/e/e.jq tests/modules/lib/jq/f.jq		\
+	tests/setup tests/jq.test tests/onig.test			\
+	tests/modules/data.json						\
+	tests/modules/syntaxerror/syntaxerror.jq			\
+	tests/modules/test_bind_order.jq				\
+	tests/modules/test_bind_order0.jq				\
+	tests/modules/test_bind_order1.jq				\
+	tests/modules/test_bind_order2.jq				\
+	jq.1.prebuilt
+
+
+# README.md is expected in Github projects, good stuff in it, so we'll 
+# distribute it and install it with the package in the doc directory.
+docdir = ${datadir}/doc/${PACKAGE}
+dist_doc_DATA = README.md COPYING AUTHORS README
+
+RELEASE ?= 1
+rpm: dist jq.spec
+	@echo "Packaging jq as an RPM ..."
+	mkdir -p rpm/SOURCES rpm/BUILD rpm/BUILDROOT rpm/RPMS rpm/SPECS
+	cp jq-$(VERSION).tar.gz rpm/SOURCES/
+	rpmbuild -tb --define "_topdir ${PWD}/rpm" --define "_prefix /usr" --define "myver $(VERSION)" --define "myrel ${RELEASE}" rpm/SOURCES/jq-$(VERSION).tar.gz
+	find rpm/RPMS/ -name "*.rpm" -exec mv {} ./ \;
+	rm -rf rpm
+
+dist-clean-local:
+	rm -f ${BUILT_SOURCES}
+
+# Not sure why this doesn't get cleaned up automatically, guess
+# automake used to man pages which are hand coded?
+# 'make clean' doesn't delete the manpage if it can't be rebuilt
+clean-local-docs:
+if ENABLE_DOCS
+	rm -f jq.1
+endif 
+
+clean-local-gcov:
+	rm -f *.gcno *.gcda *.gcov
+
+clean-local: clean-local-docs clean-local-gcov
+	rm -f version.h .remake-version-h
+
+.PHONY: clean-local-docs clean-local-gcov

NEWS

@@ -0,0 +1,88 @@
+
+Release history
+
+ * jq version 1.0 was released on Sun Oct 21 2012
+ * jq version 1.1 was released on Sun Oct 21 2012
+ * jq version 1.2 was released on Thu Dec 20 2012
+ * jq version 1.3 was released on Sun May 19 2013
+ * jq version 1.4 was released on Mon Jun 9 2014
+
+New features in 1.5 since 1.4:
+
+ - regular expressions (with Oniguruma)
+
+ - a library/module system
+
+ - many new builtins
+
+    - datetime builtins
+    - math builtins
+    - regexp-related builtins
+    - stream-related builtins (e.g., all/1, any/1)
+    - minimal I/O builtins (`inputs`, `debug`)
+
+ - new syntactic features, including:
+
+    - destructuring (`. as [$first, $second] | ...`)
+    - try/catch, generalized `?` operator, and label/break
+    - `foreach`
+    - multiple definitions of a function with different numbers of
+      arguments
+
+ - command-line arguments
+
+    - --join-lines / -j for raw output
+    - --argjson and --slurpfile
+    - --tab and --indent
+    - --stream (streaming JSON parser)
+    - --seq (RFC7464 JSON text sequence)
+    - --run-tests improvements
+
+ - optimizations:
+
+    - tail-call optimization
+    - reduce and foreach no longer leak a reference to .
+
+New features in 1.4 since 1.3:
+
+ - command-line arguments
+
+    - jq --arg-file variable file
+    - jq --unbuffered
+    - jq -e / --exit-status (set exit status based on outputs)
+    - jq -S / --sort-keys (now jq no longer sorts object keys by
+      default
+
+ - syntax
+
+    - .. -> like // in XPath (recursive traversal)
+    - question mark (e.g., .a?) to suppress errors
+    - ."foo" syntax (equivalent to .["foo"])
+    - better error handling for .foo
+    - added % operator (modulo)
+    - allow negation without requiring extra parenthesis
+    - more function arguments (up to six)
+
+ - filters:
+
+    - any, all
+    - iterables, arrays, objects, scalars, nulls, booleans, numbers,
+      strings, values
+
+ - string built-ins:
+
+    - split
+    - join (join an array of strings with a given separator string)
+    - ltrimstr, rtrimstr
+    - startswith, endswith
+    - explode, implode
+    - fromjson, tojson
+    - index, rindex, indices
+
+ - math functions
+
+    - floor, sqrt, cbrt, etetera (depends on what's available from libm)
+
+ - libjq -- a C API interface to jq's JSON representation and for
+   running jq programs from C applications
+

Parser.y

@@ -1,78 +0,0 @@
-{
-module Parser where
-import Lexer
-import JQ
-import Text.JSON
-import Debug.Trace
-import Data.List
-import Control.Monad.Error
-import Control.Monad.Reader
-}
-
-%name runParser Exp
-%tokentype { Token }
-
-%monad { Either String }
-%error { \t -> fail $ "parse error: unexpected " ++ if null t then [] else (show $ head t) }
-
-%token
-  '|' { TRes "|" }
-  '.' { TRes "." }
-  '[' { TRes "[" }
-  ']' { TRes "]" }
-  '{' { TRes "{" }
-  '}' { TRes "}" }
-  '(' { TRes "(" }
-  ')' { TRes ")" }
-  ',' { TRes "," }
-  ':' { TRes ":" }
-  '==' { TRes "==" }
-  '+' { TRes "+" }
-  Ident { TIdent $$ }
-  String { TString $$ }
-  Int { TInt $$ }
-
-%left '|'
-%left ','
-%nonassoc '=='
-%left '+'
-
-%%
-
-Exp 
-  : Exp '|' Exp         { $1 >| $3 }
-  | Exp ',' Exp         { $1 `mplus` $3 }
-  | Exp '==' Exp        { liftM2 eqj $1 $3 }
-  | Exp '+' Exp         { liftM2 plusj $1 $3 }
-  | Term                { $1 }
-
-ExpD
-  : ExpD '|' ExpD       { $1 >| $3 }
-  | ExpD '==' ExpD      { liftM2 eqj $1 $3 }
-  | Term                { $1 }
-
-
-Term 
-  : '.'                 { ask }
-  | Term '.' Ident      { $1 >| index $3 }
-  | '.' Ident           { index $2 }
-  | String              { constStr $1 }
-  | Term '[' Exp ']'    { do {t <- $1; i <- $3; lookupj t i} }
-  | Term '[' ']'        { $1 >| childp }
-  | '(' Exp ')'         { $2 }
-  | '[' Exp ']'         { arrayp $2 }
-  | Int                 { constInt $1 }
-  | '{' MkDict '}'      { dictp $2 }
-  | Ident '(' Exp ')'   { callp $1 [$3] }
-  | Ident               { callp $1 [] }
-
-MkDict
-  :                     { [] }
-  | MkDictPair          { [$1] }
-  | MkDictPair ',' MkDict { $1:$3 }
- 
-MkDictPair
-  : Ident ':' ExpD      { (constStr $1, $3) }
-  | Ident               { (constStr $1, index $1) }
-  | String ':' ExpD     { (constStr $1, $3) }
-  | '(' Exp ')' ':' ExpD{ ($2, $5) }

README

@@ -0,0 +1 @@
+README.md

README.md

@@ -0,0 +1,64 @@
+jq
+==
+
+jq is a command-line JSON processor.
+
+If you want to learn to use jq, read the documentation at
+[https://stedolan.github.io/jq](https://stedolan.github.io/jq).  This
+documentation is generated from the docs/ folder of this repository.
+You can also try it online at [jqplay.org](https://jqplay.org).
+
+If you want to hack on jq, feel free, but be warned that its internals
+are not well-documented at the moment. Bring a hard hat and a
+shovel.  Also, read the wiki: https://github.com/stedolan/jq/wiki
+
+Source tarball and built executable releases can be found on the
+homepage and on the github release page, https://github.com/stedolan/jq/releases
+
+If you're building directly from the latest git, you'll need flex,
+bison (3.0 or newer), libtool, make, and autoconf installed.  To get
+regexp support you'll also need to install Oniguruma (note that jq's
+tests require regexp support to pass).  To build, run:
+
+    autoreconf -i   # if building from git
+    ./configure
+    make -j8
+    make check
+
+To build without bison or flex, add `--disable-maintainer-mode` to the
+./configure invocation:
+
+    ./configure --disable-maintainer-mode
+
+(Developers must not use `--disable-maintainer-mode`, not when making
+changes to the jq parser and/or lexer.)
+
+To build a statically linked version of jq, run:
+
+    make LDFLAGS=-all-static
+
+After make finishes, you'll be able to use `./jq`.  You can also
+install it using:
+
+    sudo make install
+
+If you're not using the latest git version but instead building a
+released tarball (available on the website), then you won't need to
+run `autoreconf` (and shouldn't), and you won't need flex or bison.
+
+To cross-compile for OS X and Windows, see docs/Rakefile's build task
+and scripts/crosscompile.  You'll need a cross-compilation environment,
+such as Mingw for cross-compiling for Windows.
+
+Cross-compilation requires a clean workspace, then:
+
+    # git clean ...
+    autoreconf -i
+    ./configure
+    make distclean
+    scripts/crosscompile <name-of-build> <configure-options>
+
+Use the --host= and --target= ./configure options to select a
+cross-compilation environment.  See also the wiki.
+
+Send questions to https://stackoverflow.com/questions/tagged/jq or to the #jq channel (http://irc.lc/freenode/%23jq/) on Freenode (https://webchat.freenode.net/).

autom4te.cache/requests

@@ -0,0 +1,550 @@
+# This file was generated by Autom4te Thu Apr 10 10:06:43 UTC 2014.
+# It contains the lists of macros which have been traced.
+# It can be safely removed.
+
+@request = (
+             bless( [
+                      '0',
+                      1,
+                      [
+                        '/usr/share/autoconf'
+                      ],
+                      [
+                        '/usr/share/autoconf/autoconf/autoconf.m4f',
+                        '-',
+                        '/usr/share/aclocal-1.14/internal/ac-config-macro-dirs.m4',
+                        '/usr/share/aclocal/argz.m4',
+                        '/usr/share/aclocal/libtool.m4',
+                        '/usr/share/aclocal/ltdl.m4',
+                        '/usr/share/aclocal/ltoptions.m4',
+                        '/usr/share/aclocal/ltsugar.m4',
+                        '/usr/share/aclocal/ltversion.m4',
+                        '/usr/share/aclocal/lt~obsolete.m4',
+                        '/usr/share/aclocal-1.14/amversion.m4',
+                        '/usr/share/aclocal-1.14/ar-lib.m4',
+                        '/usr/share/aclocal-1.14/auxdir.m4',
+                        '/usr/share/aclocal-1.14/cond.m4',
+                        '/usr/share/aclocal-1.14/depend.m4',
+                        '/usr/share/aclocal-1.14/depout.m4',
+                        '/usr/share/aclocal-1.14/init.m4',
+                        '/usr/share/aclocal-1.14/install-sh.m4',
+                        '/usr/share/aclocal-1.14/lead-dot.m4',
+                        '/usr/share/aclocal-1.14/maintainer.m4',
+                        '/usr/share/aclocal-1.14/make.m4',
+                        '/usr/share/aclocal-1.14/missing.m4',
+                        '/usr/share/aclocal-1.14/options.m4',
+                        '/usr/share/aclocal-1.14/prog-cc-c-o.m4',
+                        '/usr/share/aclocal-1.14/runlog.m4',
+                        '/usr/share/aclocal-1.14/sanity.m4',
+                        '/usr/share/aclocal-1.14/silent.m4',
+                        '/usr/share/aclocal-1.14/strip.m4',
+                        '/usr/share/aclocal-1.14/substnot.m4',
+                        '/usr/share/aclocal-1.14/tar.m4',
+                        'config/m4/check-math-func.m4',
+                        'config/m4/find-func-no-libs.m4',
+                        'config/m4/find-func-no-libs2.m4',
+                        'config/m4/find-func.m4',
+                        'config/m4/misc.m4',
+                        'configure.ac'
+                      ],
+                      {
+                        'AM_MAINTAINER_MODE' => 1,
+                        'AC_LIBLTDL_CONVENIENCE' => 1,
+                        'AC_LTDL_ENABLE_INSTALL' => 1,
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+                        'AC_LIBTOOL_F77' => 1,
+                        'm4_pattern_forbid' => 1,
+                        'm4_pattern_allow' => 1,
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+                        '_LT_LIBOBJ' => 1,
+                        'AC_CHECK_LIBM' => 1,
+                        '_LT_PATH_TOOL_PREFIX' => 1,
+                        'AC_LIBTOOL_LANG_RC_CONFIG' => 1,
+                        'AC_FIND_FUNC' => 1,
+                        'LT_SYS_DLOPEN_DEPLIBS' => 1,
+                        'AC_LIB_LTDL' => 1,
+                        'gl_FUNC_ARGZ' => 1,
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+                        'LTSUGAR_VERSION' => 1,
+                        'AC_LIBTOOL_SYS_OLD_ARCHIVE' => 1,
+                        'AC_LIBTOOL_RC' => 1,
+                        'LT_LANG' => 1,
+                        '_AM_PROG_CC_C_O' => 1,
+                        'LTDL_INIT' => 1,
+                        '_LT_COMPILER_BOILERPLATE' => 1,
+                        'AM_PROG_INSTALL_STRIP' => 1,
+                        'LTOPTIONS_VERSION' => 1,
+                        'AC_LIBTOOL_DLOPEN' => 1,
+                        '_LT_AC_PROG_ECHO_BACKSLASH' => 1,
+                        '_LT_COMPILER_OPTION' => 1,
+                        '_AM_SET_OPTION' => 1,
+                        '_LT_AC_LANG_GCJ_CONFIG' => 1,
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+                        'AC_WITH_LTDL' => 1,
+                        'AC_LIBTOOL_POSTDEP_PREDEP' => 1,
+                        'AC_LIBTOOL_LANG_C_CONFIG' => 1,
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+                        'LT_LIB_M' => 1,
+                        'LT_SYS_MODULE_EXT' => 1,
+                        'AC_LTDL_DLSYM_USCORE' => 1,
+                        'AC_DEFUN' => 1,
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+                        'AC_LTDL_SHLIBPATH' => 1,
+                        'AM_RUN_LOG' => 1,
+                        'AC_DISABLE_STATIC' => 1,
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+                        '_LT_REQUIRED_DARWIN_CHECKS' => 1,
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+                    ], 'Autom4te::Request' ),
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+                        '/usr/share/aclocal-1.14/depout.m4',
+                        '/usr/share/aclocal-1.14/init.m4',
+                        '/usr/share/aclocal-1.14/install-sh.m4',
+                        '/usr/share/aclocal-1.14/lead-dot.m4',
+                        '/usr/share/aclocal-1.14/maintainer.m4',
+                        '/usr/share/aclocal-1.14/make.m4',
+                        '/usr/share/aclocal-1.14/missing.m4',
+                        '/usr/share/aclocal-1.14/options.m4',
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+                        'config/m4/ltsugar.m4',
+                        'config/m4/ltversion.m4',
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+                        'configure.ac'
+                      ],
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+                        'AC_WITH_LTDL' => 1,
+                        'AC_LIBTOOL_POSTDEP_PREDEP' => 1
+                      }
+                    ], 'Autom4te::Request' )
+           );
+

build/.gitignore

@@ -0,0 +1 @@
+*

builtin.h

@@ -0,0 +1,10 @@
+#ifndef BUILTIN_H
+#define BUILTIN_H
+
+#include "jq.h"
+#include "bytecode.h"
+#include "compile.h"
+
+int builtins_bind(jq_state *, block*);
+
+#endif

bytecode.c

@@ -0,0 +1,161 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "bytecode.h"
+#include "jv_alloc.h"
+
+// flags, length
+#define NONE 0, 1
+#define CONSTANT OP_HAS_CONSTANT, 2
+#define VARIABLE (OP_HAS_VARIABLE | OP_HAS_BINDING), 3
+#define GLOBAL (OP_HAS_CONSTANT | OP_HAS_VARIABLE | OP_HAS_BINDING | OP_IS_CALL_PSEUDO), 4
+#define BRANCH OP_HAS_BRANCH, 2
+#define CFUNC (OP_HAS_CFUNC | OP_HAS_BINDING), 3
+#define UFUNC (OP_HAS_UFUNC | OP_HAS_BINDING | OP_IS_CALL_PSEUDO), 4
+#define DEFINITION (OP_IS_CALL_PSEUDO | OP_HAS_BINDING), 0
+#define CLOSURE_REF_IMM (OP_IS_CALL_PSEUDO | OP_HAS_BINDING), 2
+
+#define OP(name, imm, in, out) \
+  {name, #name, imm, in, out},
+
+static const struct opcode_description opcode_descriptions[] = {
+#include "opcode_list.h"
+};
+
+static const struct opcode_description invalid_opcode_description = {
+  -1, "#INVALID", 0, 0, 0, 0
+};
+
+
+const struct opcode_description* opcode_describe(opcode op) {
+  if ((int)op >= 0 && (int)op < NUM_OPCODES) {
+    return &opcode_descriptions[op];
+  } else {
+    return &invalid_opcode_description;
+  }
+}
+
+
+int bytecode_operation_length(uint16_t* codeptr) {
+  int length = opcode_describe(*codeptr)->length;
+  if (*codeptr == CALL_JQ || *codeptr == TAIL_CALL_JQ) {
+    length += codeptr[1] * 2;
+  }
+  return length;
+}
+
+static void dump_code(int indent, struct bytecode* bc) {
+  int pc = 0;
+  while (pc < bc->codelen) {
+    printf("%*s", indent, "");
+    dump_operation(bc, bc->code + pc);
+    printf("\n");
+    pc += bytecode_operation_length(bc->code + pc);
+  }
+}
+
+static void symbol_table_free(struct symbol_table* syms) {
+  jv_mem_free(syms->cfunctions);
+  jv_free(syms->cfunc_names);
+  jv_mem_free(syms);
+}
+
+void dump_disassembly(int indent, struct bytecode* bc) {
+  if (bc->nclosures > 0) {
+    printf("%*s[params: ", indent, "");
+    jv params = jv_object_get(jv_copy(bc->debuginfo), jv_string("params"));
+    for (int i=0; i<bc->nclosures; i++) {
+      if (i) printf(", ");
+      jv name = jv_array_get(jv_copy(params), i);
+      printf("%s", jv_string_value(name));
+      jv_free(name);
+    }
+    jv_free(params);
+    printf("]\n");
+  }
+  dump_code(indent, bc);
+  for (int i=0; i<bc->nsubfunctions; i++) {
+    struct bytecode* subfn = bc->subfunctions[i];
+    jv name = jv_object_get(jv_copy(subfn->debuginfo), jv_string("name"));
+    printf("%*s%s:%d:\n", indent, "", jv_string_value(name), i);
+    jv_free(name);
+    dump_disassembly(indent+2, subfn);
+  }
+}
+
+static struct bytecode* getlevel(struct bytecode* bc, int level) {
+  while (level > 0) {
+    bc = bc->parent;
+    level--;
+  }
+  return bc;
+}
+
+void dump_operation(struct bytecode* bc, uint16_t* codeptr) {
+  int pc = codeptr - bc->code;
+  printf("%04d ", pc);
+  const struct opcode_description* op = opcode_describe(bc->code[pc++]);
+  printf("%s", op->name);
+  if (op->length > 1) {
+    uint16_t imm = bc->code[pc++];
+    if (op->op == CALL_JQ || op->op == TAIL_CALL_JQ) {
+      for (int i=0; i<imm+1; i++) {
+        uint16_t level = bc->code[pc++];
+        uint16_t idx = bc->code[pc++];
+        jv name;
+        if (idx & ARG_NEWCLOSURE) {
+          idx &= ~ARG_NEWCLOSURE;
+          name = jv_object_get(jv_copy(getlevel(bc,level)->subfunctions[idx]->debuginfo),
+                               jv_string("name"));
+        } else {
+          name = jv_array_get(jv_object_get(jv_copy(getlevel(bc,level)->debuginfo),
+                                            jv_string("params")), idx);
+        }
+        printf(" %s:%d",
+               jv_string_value(name),
+               idx);
+        jv_free(name);
+        if (level) {
+          printf("^%d", level);
+        }
+      }
+    } else if (op->op == CALL_BUILTIN) {
+      int func = bc->code[pc++];
+      jv name = jv_array_get(jv_copy(bc->globals->cfunc_names), func);
+      printf(" %s", jv_string_value(name));
+      jv_free(name);
+    } else if (op->flags & OP_HAS_BRANCH) {
+      printf(" %04d", pc + imm);
+    } else if (op->flags & OP_HAS_CONSTANT) {
+      printf(" ");
+      jv_dump(jv_array_get(jv_copy(bc->constants), imm), 0);
+    } else if (op->flags & OP_HAS_VARIABLE) {
+      uint16_t v = bc->code[pc++];
+      jv name = jv_array_get(jv_object_get(jv_copy(getlevel(bc,imm)->debuginfo), jv_string("locals")), v);
+      printf(" $%s:%d",
+             jv_string_value(name),
+             v);
+      jv_free(name);
+      if (imm) {
+        printf("^%d", imm);
+      }
+    } else {
+      printf(" %d", imm);
+    }
+  }
+}
+
+void bytecode_free(struct bytecode* bc) {
+  if (!bc)
+    return;
+  jv_mem_free(bc->code);
+  jv_free(bc->constants);
+  for (int i=0; i<bc->nsubfunctions; i++)
+    bytecode_free(bc->subfunctions[i]);
+  if (!bc->parent)
+    symbol_table_free(bc->globals);
+  jv_mem_free(bc->subfunctions);
+  jv_free(bc->debuginfo);
+  jv_mem_free(bc);
+}

bytecode.h

@@ -0,0 +1,92 @@
+#ifndef BYTECODE_H
+#define BYTECODE_H
+#include <stdint.h>
+
+#include "jv.h"
+
+typedef enum {
+#define OP(name, imm, in, out) name,
+#include "opcode_list.h"
+#undef OP
+} opcode;
+
+enum {
+  NUM_OPCODES =
+#define OP(name, imm, in, out) +1
+#include "opcode_list.h"
+#undef OP
+};
+
+enum {
+  OP_HAS_CONSTANT = 2,
+  OP_HAS_VARIABLE = 4,
+  OP_HAS_BRANCH = 8,
+  OP_HAS_CFUNC = 32,
+  OP_HAS_UFUNC = 64,
+  OP_IS_CALL_PSEUDO = 128,
+  OP_HAS_BINDING = 1024,
+  // NOTE: Not actually part of any op -- a pseudo-op flag for special
+  //       handling of `break`.
+  OP_BIND_WILDCARD = 2048,
+};
+struct opcode_description {
+  opcode op;
+  const char* name;
+
+  int flags;
+
+  // length in 16-bit units
+  int length;
+
+  int stack_in, stack_out;
+};
+
+const struct opcode_description* opcode_describe(opcode op);
+
+
+#define MAX_CFUNCTION_ARGS 10
+typedef void (*cfunction_ptr)();
+struct cfunction {
+  cfunction_ptr fptr;
+  const char* name;
+  int nargs;
+};
+
+struct symbol_table {
+  struct cfunction* cfunctions;
+  int ncfunctions;
+  jv cfunc_names;
+};
+
+// The bytecode format matters in:
+//   execute.c  - interpreter
+//   compile.c  - compiler
+//   bytecode.c - disassembler
+
+#define ARG_NEWCLOSURE 0x1000
+
+struct bytecode {
+  uint16_t* code;
+  int codelen;
+
+  int nlocals;
+  int nclosures;
+
+  jv constants; // JSON array of constants
+  struct symbol_table* globals;
+
+  struct bytecode** subfunctions;
+  int nsubfunctions;
+
+  struct bytecode* parent;
+
+  jv debuginfo;
+};
+
+void dump_disassembly(int, struct bytecode* code);
+void dump_operation(struct bytecode* bc, uint16_t* op);
+
+int bytecode_operation_length(uint16_t* codeptr);
+void bytecode_free(struct bytecode* bc);
+
+#endif

compile-ios.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# old values
+OLD_CFLAGS=$CFLAGS
+OLD_LDFLAGS=$LDFLAGS
+ORIG_PWD=`pwd`
+
+# For parallelism in make
+NJOBS="-j`sysctl -n hw.ncpu || echo 1`"
+
+
+# Get oniguruma
+rm -rf $PWD/build/ios onig-5.9.5
+echo "Downloading oniguruma 5.9.5"
+curl http://www.geocities.jp/kosako3/oniguruma/archive/onig-5.9.5.tar.gz | tar xz
+cd onig-5.9.5
+
+# So, we need to remake the configure scripts so that the arm64 architecture
+# exists in config.sub.  In order to keep autoreconf from failing, create
+# NEWS and ChangeLog.
+touch NEWS ChangeLog
+autoreconf -fi >/dev/null 2>&1
+
+
+
+
+CC=`xcrun -f clang`
+cd $ORIG_PWD
+
+autoreconf -fi
+for arch in i386 x86_64 armv7 armv7s arm64; do
+
+	# Some of the architectures are a bit different...
+	if [[ "$arch" = "i386" || "$arch" = "x86_64" ]]
+	then
+		SYSROOT=`xcrun -f --sdk iphonesimulator --show-sdk-path`
+	else
+		SYSROOT=`xcrun -f --sdk iphoneos --show-sdk-path`
+	fi
+	if [[ "$arch" = "arm64" ]]
+	then
+		HOST="aarch64-apple-darwin"
+	else
+		HOST="$arch-apple-darwin"
+	fi
+
+	CFLAGS="-arch $arch -miphoneos-version-min=6.0 -isysroot $SYSROOT $OLD_CFLAGS"
+	LDFLAGS="-arch $arch -miphoneos-version-min=6.0 -isysroot $SYSROOT $OLD_LDFLAGS"
+
+
+
+	# Build oniguruma for this architecture
+	cd onig-5.9.5
+	CC=$CC CFLAGS=$CFLAGS LDFLAGS=$LDFLAGS ./configure --disable-shared --enable-static --host=$HOST --prefix=$ORIG_PWD/build/ios/$arch
+	STATUS=$?
+	if [ $STATUS -ne 0 ]
+	then
+		echo "Failed to configure oniguruma for architecture $arch.  Check `pwd`/config.log for details."
+		cd $PWD
+		exit $STATUS
+	fi
+	make clean
+	make $NJBOS install
+	STATUS=$?
+	if [ $STATUS -ne 0 ]
+	then
+		echo "Failed to make oniguruma for architecture $arch."
+		cd $PWD
+		exit $STATUS
+	fi
+
+
+
+	# Build jq for this architecture
+	cd $ORIG_PWD
+	CC=$CC CFLAGS=$CFLAGS LDFLAGS=$LDFLAGS ./configure --disable-shared --enable-static -host=$HOST --prefix=$ORIG_PWD/build/ios/$arch --with-oniguruma=$ORIG_PWD/build/ios/$arch
+	STATUS=$?
+	if [ $STATUS -ne 0 ]
+	then
+		echo "Failed to configure jq for architecture $arch"
+		exit $STATUS
+	fi
+	make clean
+	make $NJOBS install
+	STATUS=$?
+	if [ $STATUS -ne 0 ]
+	then
+		echo "Failed to make jq for architecture $arch"
+		exit $STATUS
+	fi
+done
+
+
+# lipo together the different architectures into a universal 'fat' file
+lipo -create -output $ORIG_PWD/build/ios/libonig.a $ORIG_PWD/build/ios/{i386,x86_64,armv7,armv7s,arm64}/lib/libonig.a
+lipo -create -output $ORIG_PWD/build/ios/libjq.a $ORIG_PWD/build/ios/{i386,x86_64,armv7,armv7s,arm64}/lib/libjq.a
+
+# copy the products into the destination directory and clean up the single-architecture files.
+cp $ORIG_PWD/build/ios/i386/include/*.h $ORIG_PWD/build/ios/
+rm -rf $ORIG_PWD/build/ios/{i386,x86_64,armv7,armv7s,arm64}
+
+echo "Products are in $ORIG_PWD/build/ios"

compile.h

@@ -0,0 +1,101 @@
+#ifndef COMPILE_H
+#define COMPILE_H
+#include <stdint.h>
+#include "jv.h"
+#include "bytecode.h"
+#include "locfile.h"
+
+struct inst;
+typedef struct inst inst;
+
+
+typedef struct block {
+  inst* first;
+  inst* last;
+} block;
+
+block gen_location(location, struct locfile*, block);
+
+block gen_noop();
+int block_is_noop(block b);
+block gen_op_simple(opcode op);
+block gen_const(jv constant);
+block gen_const_global(jv constant, const char *name);
+int block_is_const(block b);
+int block_is_const_inf(block b);
+jv_kind block_const_kind(block b);
+jv block_const(block b);
+block gen_op_target(opcode op, block target);
+block gen_op_unbound(opcode op, const char* name);
+block gen_op_bound(opcode op, block binder);
+block gen_op_var_fresh(opcode op, const char* name);
+
+block gen_module(block metadata);
+jv block_module_meta(block b);
+block gen_import(const char* name, block metadata, const char *as, int is_data);
+block gen_function(const char* name, block formals, block body);
+block gen_param_regular(const char* name);
+block gen_param(const char* name);
+block gen_lambda(block body);
+block gen_call(const char* name, block body);
+block gen_subexp(block a);
+block gen_both(block a, block b);
+block gen_const_object(block expr);
+block gen_collect(block expr);
+block gen_reduce(block source, block matcher, block init, block body);
+block gen_foreach(block source, block matcher, block init, block update, block extract);
+block gen_definedor(block a, block b);
+block gen_condbranch(block iftrue, block iffalse);
+block gen_and(block a, block b);
+block gen_or(block a, block b);
+
+block gen_var_binding(block var, const char* name, block body);
+block gen_array_matcher(block left, block curr);
+block gen_object_matcher(block name, block curr);
+block gen_destructure(block var, block matcher, block body);
+
+block gen_cond(block cond, block iftrue, block iffalse);
+block gen_try_handler(block handler);
+block gen_try(block exp, block handler);
+block gen_label(const char *label, block exp);
+
+block gen_cbinding(const struct cfunction* functions, int nfunctions, block b);
+
+void block_append(block* b, block b2);
+block block_join(block a, block b);
+int block_has_only_binders_and_imports(block, int bindflags);
+int block_has_only_binders(block, int bindflags);
+int block_has_main(block);
+int block_is_funcdef(block b);
+int block_is_single(block b);
+block block_bind(block binder, block body, int bindflags);
+block block_bind_library(block binder, block body, int bindflags, const char* libname);
+block block_bind_referenced(block binder, block body, int bindflags);
+block block_drop_unreferenced(block body);
+
+jv block_take_imports(block* body);
+
+int block_compile(block, struct bytecode**, struct locfile*);
+
+void block_free(block);
+
+
+
+// Here's some horrible preprocessor gunk so that code
+// sequences can be contructed as BLOCK(block1, block2, block3)
+
+#define BLOCK_1(b1) (b1)
+#define BLOCK_2(b1,b2) (block_join((b1),(b2)))
+#define BLOCK_3(b1,b2,b3) (block_join(BLOCK_2(b1,b2),(b3)))
+#define BLOCK_4(b1,b2,b3,b4) (block_join(BLOCK_3(b1,b2,b3),(b4)))
+#define BLOCK_5(b1,b2,b3,b4,b5) (block_join(BLOCK_4(b1,b2,b3,b4),(b5)))
+#define BLOCK_6(b1,b2,b3,b4,b5,b6) (block_join(BLOCK_5(b1,b2,b3,b4,b5),(b6)))
+#define BLOCK_7(b1,b2,b3,b4,b5,b6,b7) (block_join(BLOCK_6(b1,b2,b3,b4,b5,b6),(b7)))
+#define BLOCK_8(b1,b2,b3,b4,b5,b6,b7,b8) (block_join(BLOCK_7(b1,b2,b3,b4,b5,b6,b7),(b8)))
+
+#define BLOCK_IDX(_1,_2,_3,_4,_5,_6,_7,_8,NAME,...) NAME
+#define BLOCK(...) \
+  BLOCK_IDX(__VA_ARGS__, BLOCK_8, BLOCK_7, BLOCK_6, BLOCK_5, BLOCK_4, BLOCK_3, BLOCK_2, BLOCK_1)(__VA_ARGS__)
+
+
+#endif

config/.gitignore

@@ -0,0 +1,10 @@
+config.guess
+config.sub
+compile
+depcomp
+install-sh
+ltmain.sh
+missing
+ylwrap
+test-driver
+ar-lib

config/ar-lib

@@ -0,0 +1,270 @@
+#! /bin/sh
+# Wrapper for Microsoft lib.exe
+
+me=ar-lib
+scriptversion=2012-03-01.08; # UTC
+
+# Copyright (C) 2010-2013 Free Software Foundation, Inc.
+# Written by Peter Rosin <peda@lysator.liu.se>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+
+# func_error message
+func_error ()
+{
+  echo "$me: $1" 1>&2
+  exit 1
+}
+
+file_conv=
+
+# func_file_conv build_file
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv in
+	mingw)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_at_file at_file operation archive
+# Iterate over all members in AT_FILE performing OPERATION on ARCHIVE
+# for each of them.
+# When interpreting the content of the @FILE, do NOT use func_file_conv,
+# since the user would need to supply preconverted file names to
+# binutils ar, at least for MinGW.
+func_at_file ()
+{
+  operation=$2
+  archive=$3
+  at_file_contents=`cat "$1"`
+  eval set x "$at_file_contents"
+  shift
+
+  for member
+  do
+    $AR -NOLOGO $operation:"$member" "$archive" || exit $?
+  done
+}
+
+case $1 in
+  '')
+     func_error "no command.  Try '$0 --help' for more information."
+     ;;
+  -h | --h*)
+    cat <<EOF
+Usage: $me [--help] [--version] PROGRAM ACTION ARCHIVE [MEMBER...]
+
+Members may be specified in a file named with @FILE.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "$me, version $scriptversion"
+    exit $?
+    ;;
+esac
+
+if test $# -lt 3; then
+  func_error "you must specify a program, an action and an archive"
+fi
+
+AR=$1
+shift
+while :
+do
+  if test $# -lt 2; then
+    func_error "you must specify a program, an action and an archive"
+  fi
+  case $1 in
+    -lib | -LIB \
+    | -ltcg | -LTCG \
+    | -machine* | -MACHINE* \
+    | -subsystem* | -SUBSYSTEM* \
+    | -verbose | -VERBOSE \
+    | -wx* | -WX* )
+      AR="$AR $1"
+      shift
+      ;;
+    *)
+      action=$1
+      shift
+      break
+      ;;
+  esac
+done
+orig_archive=$1
+shift
+func_file_conv "$orig_archive"
+archive=$file
+
+# strip leading dash in $action
+action=${action#-}
+
+delete=
+extract=
+list=
+quick=
+replace=
+index=
+create=
+
+while test -n "$action"
+do
+  case $action in
+    d*) delete=yes  ;;
+    x*) extract=yes ;;
+    t*) list=yes    ;;
+    q*) quick=yes   ;;
+    r*) replace=yes ;;
+    s*) index=yes   ;;
+    S*)             ;; # the index is always updated implicitly
+    c*) create=yes  ;;
+    u*)             ;; # TODO: don't ignore the update modifier
+    v*)             ;; # TODO: don't ignore the verbose modifier
+    *)
+      func_error "unknown action specified"
+      ;;
+  esac
+  action=${action#?}
+done
+
+case $delete$extract$list$quick$replace,$index in
+  yes,* | ,yes)
+    ;;
+  yesyes*)
+    func_error "more than one action specified"
+    ;;
+  *)
+    func_error "no action specified"
+    ;;
+esac
+
+if test -n "$delete"; then
+  if test ! -f "$orig_archive"; then
+    func_error "archive not found"
+  fi
+  for member
+  do
+    case $1 in
+      @*)
+        func_at_file "${1#@}" -REMOVE "$archive"
+        ;;
+      *)
+        func_file_conv "$1"
+        $AR -NOLOGO -REMOVE:"$file" "$archive" || exit $?
+        ;;
+    esac
+  done
+
+elif test -n "$extract"; then
+  if test ! -f "$orig_archive"; then
+    func_error "archive not found"
+  fi
+  if test $# -gt 0; then
+    for member
+    do
+      case $1 in
+        @*)
+          func_at_file "${1#@}" -EXTRACT "$archive"
+          ;;
+        *)
+          func_file_conv "$1"
+          $AR -NOLOGO -EXTRACT:"$file" "$archive" || exit $?
+          ;;
+      esac
+    done
+  else
+    $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member
+    do
+      $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $?
+    done
+  fi
+
+elif test -n "$quick$replace"; then
+  if test ! -f "$orig_archive"; then
+    if test -z "$create"; then
+      echo "$me: creating $orig_archive"
+    fi
+    orig_archive=
+  else
+    orig_archive=$archive
+  fi
+
+  for member
+  do
+    case $1 in
+    @*)
+      func_file_conv "${1#@}"
+      set x "$@" "@$file"
+      ;;
+    *)
+      func_file_conv "$1"
+      set x "$@" "$file"
+      ;;
+    esac
+    shift
+    shift
+  done
+
+  if test -n "$orig_archive"; then
+    $AR -NOLOGO -OUT:"$archive" "$orig_archive" "$@" || exit $?
+  else
+    $AR -NOLOGO -OUT:"$archive" "$@" || exit $?
+  fi
+
+elif test -n "$list"; then
+  if test ! -f "$orig_archive"; then
+    func_error "archive not found"
+  fi
+  $AR -NOLOGO -LIST "$archive" || exit $?
+fi

config/compile

@@ -0,0 +1,347 @@
+#! /bin/sh
+# Wrapper for compilers which do not understand '-c -o'.
+
+scriptversion=2012-10-14.11; # UTC
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
+case $1 in
+  '')
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: compile [--help] [--version] PROGRAM [ARGS]
+
+Wrapper for compilers which do not understand '-c -o'.
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
+arguments, and rename the output as expected.
+
+If you are trying to build a whole package this is not the
+right script to run: please start by reading the file 'INSTALL'.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "compile $scriptversion"
+    exit $?
+    ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
+esac
+
+ofile=
+cfile=
+
+for arg
+do
+  if test -n "$eat"; then
+    eat=
+  else
+    case $1 in
+      -o)
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
+	# So we strip '-o arg' only if arg is an object.
+	eat=1
+	case $2 in
+	  *.o | *.obj)
+	    ofile=$2
+	    ;;
+	  *)
+	    set x "$@" -o "$2"
+	    shift
+	    ;;
+	esac
+	;;
+      *.c)
+	cfile=$1
+	set x "$@" "$1"
+	shift
+	;;
+      *)
+	set x "$@" "$1"
+	shift
+	;;
+    esac
+  fi
+  shift
+done
+
+if test -z "$ofile" || test -z "$cfile"; then
+  # If no '-o' option was seen then we might have been invoked from a
+  # pattern rule where we don't need one.  That is ok -- this is a
+  # normal compilation that the losing compiler can handle.  If no
+  # '.c' file was seen then we are probably linking.  That is also
+  # ok.
+  exec "$@"
+fi
+
+# Name of file we expect compiler to create.
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
+
+# Create the lock directory.
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
+# that we are using for the .o file.  Also, base the name on the expected
+# object file name, since that is what matters with a parallel build.
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
+while true; do
+  if mkdir "$lockdir" >/dev/null 2>&1; then
+    break
+  fi
+  sleep 1
+done
+# FIXME: race condition here if user kills between mkdir and trap.
+trap "rmdir '$lockdir'; exit 1" 1 2 15
+
+# Run the compile.
+"$@"
+ret=$?
+
+if test -f "$cofile"; then
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
+elif test -f "${cofile}bj"; then
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
+fi
+
+rmdir "$lockdir"
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

config/depcomp

@@ -0,0 +1,791 @@
+#! /bin/sh
+# depcomp - compile a program generating dependencies as side-effects
+
+scriptversion=2013-05-30.07; # UTC
+
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
+
+case $1 in
+  '')
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
+    exit 1;
+    ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: depcomp [--help] [--version] PROGRAM [ARGS]
+
+Run PROGRAMS ARGS to compile a file, generating dependencies
+as side-effects.
+
+Environment variables:
+  depmode     Dependency tracking mode.
+  source      Source file read by 'PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
+  DEPDIR      directory where to store dependencies.
+  depfile     Dependency file to output.
+  tmpdepfile  Temporary file to use when outputting dependencies.
+  libtool     Whether libtool is used (yes/no).
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v | --v*)
+    echo "depcomp $scriptversion"
+    exit $?
+    ;;
+esac
+
+# Get the directory component of the given path, and save it in the
+# global variables '$dir'.  Note that this directory component will
+# be either empty or ending with a '/' character.  This is deliberate.
+set_dir_from ()
+{
+  case $1 in
+    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
+      *) dir=;;
+  esac
+}
+
+# Get the suffix-stripped basename of the given path, and save it the
+# global variable '$base'.
+set_base_from ()
+{
+  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
+}
+
+# If no dependency file was actually created by the compiler invocation,
+# we still have to create a dummy depfile, to avoid errors with the
+# Makefile "include basename.Plo" scheme.
+make_dummy_depfile ()
+{
+  echo "#dummy" > "$depfile"
+}
+
+# Factor out some common post-processing of the generated depfile.
+# Requires the auxiliary global variable '$tmpdepfile' to be set.
+aix_post_process_depfile ()
+{
+  # If the compiler actually managed to produce a dependency file,
+  # post-process it.
+  if test -f "$tmpdepfile"; then
+    # Each line is of the form 'foo.o: dependency.h'.
+    # Do two passes, one to just change these to
+    #   $object: dependency.h
+    # and one to simply output
+    #   dependency.h:
+    # which is needed to avoid the deleted-header problem.
+    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
+      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
+    } > "$depfile"
+    rm -f "$tmpdepfile"
+  else
+    make_dummy_depfile
+  fi
+}
+
+# A tabulation character.
+tab='	'
+# A newline character.
+nl='
+'
+# Character ranges might be problematic outside the C locale.
+# These definitions help.
+upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+lower=abcdefghijklmnopqrstuvwxyz
+digits=0123456789
+alpha=${upper}${lower}
+
+if test -z "$depmode" || test -z "$source" || test -z "$object"; then
+  echo "depcomp: Variables source, object and depmode must be set" 1>&2
+  exit 1
+fi
+
+# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
+depfile=${depfile-`echo "$object" |
+  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
+tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
+
+rm -f "$tmpdepfile"
+
+# Avoid interferences from the environment.
+gccflag= dashmflag=
+
+# Some modes work just like other modes, but use different flags.  We
+# parameterize here, but still list the modes in the big case below,
+# to make depend.m4 easier to write.  Note that we *cannot* use a case
+# here, because this file can only contain one case statement.
+if test "$depmode" = hp; then
+  # HP compiler uses -M and no extra arg.
+  gccflag=-M
+  depmode=gcc
+fi
+
+if test "$depmode" = dashXmstdout; then
+  # This is just like dashmstdout with a different argument.
+  dashmflag=-xM
+  depmode=dashmstdout
+fi
+
+cygpath_u="cygpath -u -f -"
+if test "$depmode" = msvcmsys; then
+  # This is just like msvisualcpp but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvisualcpp
+fi
+
+if test "$depmode" = msvc7msys; then
+  # This is just like msvc7 but w/o cygpath translation.
+  # Just convert the backslash-escaped backslashes to single forward
+  # slashes to satisfy depend.m4
+  cygpath_u='sed s,\\\\,/,g'
+  depmode=msvc7
+fi
+
+if test "$depmode" = xlc; then
+  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+  gccflag=-qmakedep=gcc,-MF
+  depmode=gcc
+fi
+
+case "$depmode" in
+gcc3)
+## gcc 3 implements dependency tracking that does exactly what
+## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
+## it if -MD -MP comes after the -MF stuff.  Hmm.
+## Unfortunately, FreeBSD c89 acceptance of flags depends upon
+## the command line argument order; so add the flags where they
+## appear in depend2.am.  Note that the slowdown incurred here
+## affects only configure: in makefiles, %FASTDEP% shortcuts this.
+  for arg
+  do
+    case $arg in
+    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
+    *)  set fnord "$@" "$arg" ;;
+    esac
+    shift # fnord
+    shift # $arg
+  done
+  "$@"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  mv "$tmpdepfile" "$depfile"
+  ;;
+
+gcc)
+## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
+## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
+## (see the conditional assignment to $gccflag above).
+## There are various ways to get dependency output from gcc.  Here's
+## why we pick this rather obscure method:
+## - Don't want to use -MD because we'd like the dependencies to end
+##   up in a subdir.  Having to rename by hand is ugly.
+##   (We might end up doing this anyway to support other compilers.)
+## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
+##   -MM, not -M (despite what the docs say).  Also, it might not be
+##   supported by the other compilers which use the 'gcc' depmode.
+## - Using -M directly means running the compiler twice (even worse
+##   than renaming).
+  if test -z "$gccflag"; then
+    gccflag=-MD,
+  fi
+  "$@" -Wp,"$gccflag$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The second -e expression handles DOS-style file names with drive
+  # letters.
+  sed -e 's/^[^:]*: / /' \
+      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
+## This next piece of magic avoids the "deleted header file" problem.
+## The problem is that when a header file which appears in a .P file
+## is deleted, the dependency causes make to die (because there is
+## typically no way to rebuild the header).  We avoid this by adding
+## dummy dependencies for each header file.  Too bad gcc doesn't do
+## this for us directly.
+## Some versions of gcc put a space before the ':'.  On the theory
+## that the space means something, we add a space to the output as
+## well.  hp depmode also adds that space, but also prefixes the VPATH
+## to the object.  Take care to not repeat it in the output.
+## Some versions of the HPUX 10.20 sed can't process this invocation
+## correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+sgi)
+  if test "$libtool" = yes; then
+    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  else
+    "$@" -MDupdate "$tmpdepfile"
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+
+  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
+    echo "$object : \\" > "$depfile"
+    # Clip off the initial element (the dependent).  Don't try to be
+    # clever and replace this with sed code, as IRIX sed won't handle
+    # lines with more than a fixed number of characters (4096 in
+    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
+    # the IRIX cc adds comments like '#:fec' to the end of the
+    # dependency line.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
+      | tr "$nl" ' ' >> "$depfile"
+    echo >> "$depfile"
+    # The second pass generates a dummy entry for each header file.
+    tr ' ' "$nl" < "$tmpdepfile" \
+      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
+      >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile"
+  ;;
+
+xlc)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+aix)
+  # The C for AIX Compiler uses -M and outputs the dependencies
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  set_dir_from "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$base.u
+    tmpdepfile3=$dir.libs/$base.u
+    "$@" -Wc,-M
+  else
+    tmpdepfile1=$dir$base.u
+    tmpdepfile2=$dir$base.u
+    tmpdepfile3=$dir$base.u
+    "$@" -M
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  aix_post_process_depfile
+  ;;
+
+tcc)
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
+  # FIXME: That version still under development at the moment of writing.
+  #        Make that this statement remains true also for stable, released
+  #        versions.
+  # It will wrap lines (doesn't matter whether long or short) with a
+  # trailing '\', as in:
+  #
+  #   foo.o : \
+  #    foo.c \
+  #    foo.h \
+  #
+  # It will put a trailing '\' even on the last line, and will use leading
+  # spaces rather than leading tabs (at least since its commit 0394caf7
+  # "Emit spaces for -MD").
+  "$@" -MD -MF "$tmpdepfile"
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
+  # We have to change lines of the first kind to '$object: \'.
+  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
+  # And for each line of the second kind, we have to emit a 'dep.h:'
+  # dummy dependency, to avoid the deleted-header problem.
+  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+## The order of this option in the case statement is important, since the
+## shell code in configure will try each of these formats in the order
+## listed in this file.  A plain '-MD' option would be understood by many
+## compilers, so we must ensure this comes after the gcc and icc options.
+pgcc)
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
+  # source file under compilation, even if file resides in a subdirectory.
+  # The object file name does not affect the name of the '.d' file.
+  # pgcc 10.2 will output
+  #    foo.o: sub/foo.c sub/foo.h
+  # and will wrap long lines using '\' :
+  #    foo.o: sub/foo.c ... \
+  #     sub/foo.h ... \
+  #     ...
+  set_dir_from "$object"
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
+  set_base_from "$source"
+  tmpdepfile=$base.d
+
+  # For projects that build the same source file twice into different object
+  # files, the pgcc approach of using the *source* file root name can cause
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
+  # the same $tmpdepfile.
+  lockdir=$base.d-lock
+  trap "
+    echo '$0: caught signal, cleaning up...' >&2
+    rmdir '$lockdir'
+    exit 1
+  " 1 2 13 15
+  numtries=100
+  i=$numtries
+  while test $i -gt 0; do
+    # mkdir is a portable test-and-set.
+    if mkdir "$lockdir" 2>/dev/null; then
+      # This process acquired the lock.
+      "$@" -MD
+      stat=$?
+      # Release the lock.
+      rmdir "$lockdir"
+      break
+    else
+      # If the lock is being held by a different process, wait
+      # until the winning process is done or we timeout.
+      while test -d "$lockdir" && test $i -gt 0; do
+        sleep 1
+        i=`expr $i - 1`
+      done
+    fi
+    i=`expr $i - 1`
+  done
+  trap - 1 2 13 15
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
+  fi
+
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  # Each line is of the form `foo.o: dependent.h',
+  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
+  # Do two passes, one to just change these to
+  # `$object: dependent.h' and one to simply `dependent.h:'.
+  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+hp2)
+  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
+  # compilers, which have integrated preprocessors.  The correct option
+  # to use with these is +Maked; it writes dependencies to a file named
+  # 'foo.d', which lands next to the object file, wherever that
+  # happens to be.
+  # Much of this is similar to the tru64 case; see comments there.
+  set_dir_from  "$object"
+  set_base_from "$object"
+  if test "$libtool" = yes; then
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir.libs/$base.d
+    "$@" -Wc,+Maked
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    "$@" +Maked
+  fi
+  stat=$?
+  if test $stat -ne 0; then
+     rm -f "$tmpdepfile1" "$tmpdepfile2"
+     exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  if test -f "$tmpdepfile"; then
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
+    # Add 'dependent.h:' lines.
+    sed -ne '2,${
+               s/^ *//
+               s/ \\*$//
+               s/$/:/
+               p
+             }' "$tmpdepfile" >> "$depfile"
+  else
+    make_dummy_depfile
+  fi
+  rm -f "$tmpdepfile" "$tmpdepfile2"
+  ;;
+
+tru64)
+  # The Tru64 compiler uses -MD to generate dependencies as a side
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # dependencies in 'foo.d' instead, so we check for that too.
+  # Subdirectories are respected.
+  set_dir_from  "$object"
+  set_base_from "$object"
+
+  if test "$libtool" = yes; then
+    # Libtool generates 2 separate objects for the 2 libraries.  These
+    # two compilations output dependencies in $dir.libs/$base.o.d and
+    # in $dir$base.o.d.  We have to check for both files, because
+    # one of the two compilations can be disabled.  We should prefer
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    # automatically cleaned when .libs/ is deleted, while ignoring
+    # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
+    "$@" -Wc,-MD
+  else
+    tmpdepfile1=$dir$base.d
+    tmpdepfile2=$dir$base.d
+    tmpdepfile3=$dir$base.d
+    "$@" -MD
+  fi
+
+  stat=$?
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+    exit $stat
+  fi
+
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
+  do
+    test -f "$tmpdepfile" && break
+  done
+  # Same post-processing that is required for AIX mode.
+  aix_post_process_depfile
+  ;;
+
+msvc7)
+  if test "$libtool" = yes; then
+    showIncludes=-Wc,-showIncludes
+  else
+    showIncludes=-showIncludes
+  fi
+  "$@" $showIncludes > "$tmpdepfile"
+  stat=$?
+  grep -v '^Note: including file: ' "$tmpdepfile"
+  if test $stat -ne 0; then
+    rm -f "$tmpdepfile"
+    exit $stat
+  fi
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  # The first sed program below extracts the file names and escapes
+  # backslashes for cygpath.  The second sed program outputs the file
+  # name when reading, but also accumulates all include files in the
+  # hold buffer in order to output them again at the end.  This only
+  # works with sed implementations that can handle large buffers.
+  sed < "$tmpdepfile" -n '
+/^Note: including file:  *\(.*\)/ {
+  s//\1/
+  s/\\/\\\\/g
+  p
+}' | $cygpath_u | sort -u | sed -n '
+s/ /\\ /g
+s/\(.*\)/'"$tab"'\1 \\/p
+s/.\(.*\) \\/\1:/
+H
+$ {
+  s/.*/'"$tab"'/
+  G
+  p
+}' >> "$depfile"
+  echo >> "$depfile" # make sure the fragment doesn't end with a backslash
+  rm -f "$tmpdepfile"
+  ;;
+
+msvc7msys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+#nosideeffect)
+  # This comment above is used by automake to tell side-effect
+  # dependency tracking mechanisms from slower ones.
+
+dashmstdout)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout, regardless of -o.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  test -z "$dashmflag" && dashmflag=-M
+  # Require at least two characters before searching for ':'
+  # in the target name.  This is to cope with DOS-style filenames:
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
+  "$@" $dashmflag |
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
+  rm -f "$depfile"
+  cat < "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  tr ' ' "$nl" < "$tmpdepfile" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+dashXmstdout)
+  # This case only exists to satisfy depend.m4.  It is never actually
+  # run, as this mode is specially recognized in the preamble.
+  exit 1
+  ;;
+
+makedepend)
+  "$@" || exit $?
+  # Remove any Libtool call
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+  # X makedepend
+  shift
+  cleared=no eat=no
+  for arg
+  do
+    case $cleared in
+    no)
+      set ""; shift
+      cleared=yes ;;
+    esac
+    if test $eat = yes; then
+      eat=no
+      continue
+    fi
+    case "$arg" in
+    -D*|-I*)
+      set fnord "$@" "$arg"; shift ;;
+    # Strip any option that makedepend may not understand.  Remove
+    # the object too, otherwise makedepend will parse it as a source file.
+    -arch)
+      eat=yes ;;
+    -*|$object)
+      ;;
+    *)
+      set fnord "$@" "$arg"; shift ;;
+    esac
+  done
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
+  touch "$tmpdepfile"
+  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
+  rm -f "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
+  # No need to regex-escape $object, excess matching of '.' is harmless.
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
+  # correctly.  Breaking it into two sed invocations is a workaround.
+  sed '1,2d' "$tmpdepfile" \
+    | tr ' ' "$nl" \
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
+    | sed -e 's/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile" "$tmpdepfile".bak
+  ;;
+
+cpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  # Remove '-o $object'.
+  IFS=" "
+  for arg
+  do
+    case $arg in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    *)
+      set fnord "$@" "$arg"
+      shift # fnord
+      shift # $arg
+      ;;
+    esac
+  done
+
+  "$@" -E \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed '$ s: \\$::' > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  cat < "$tmpdepfile" >> "$depfile"
+  sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvisualcpp)
+  # Important note: in order to support this mode, a compiler *must*
+  # always write the preprocessed file to stdout.
+  "$@" || exit $?
+
+  # Remove the call to Libtool.
+  if test "$libtool" = yes; then
+    while test "X$1" != 'X--mode=compile'; do
+      shift
+    done
+    shift
+  fi
+
+  IFS=" "
+  for arg
+  do
+    case "$arg" in
+    -o)
+      shift
+      ;;
+    $object)
+      shift
+      ;;
+    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
+        set fnord "$@"
+        shift
+        shift
+        ;;
+    *)
+        set fnord "$@" "$arg"
+        shift
+        shift
+        ;;
+    esac
+  done
+  "$@" -E 2>/dev/null |
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
+  rm -f "$depfile"
+  echo "$object : \\" > "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
+  echo "$tab" >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  rm -f "$tmpdepfile"
+  ;;
+
+msvcmsys)
+  # This case exists only to let depend.m4 do its work.  It works by
+  # looking at the text of this script.  This case will never be run,
+  # since it is checked for above.
+  exit 1
+  ;;
+
+none)
+  exec "$@"
+  ;;
+
+*)
+  echo "Unknown depmode $depmode" 1>&2
+  exit 1
+  ;;
+esac
+
+exit 0
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

config/install-sh

@@ -0,0 +1,527 @@
+#!/bin/sh
+# install - install a program, script, or datafile
+
+scriptversion=2011-11-20.07; # UTC
+
+# This originates from X11R5 (mit/util/scripts/install.sh), which was
+# later released in X11R6 (xc/config/util/install.sh) with the
+# following copyright and license.
+#
+# Copyright (C) 1994 X Consortium
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+# Except as contained in this notice, the name of the X Consortium shall not
+# be used in advertising or otherwise to promote the sale, use or other deal-
+# ings in this Software without prior written authorization from the X Consor-
+# tium.
+#
+#
+# FSF changes to this file are in the public domain.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# 'make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.
+
+nl='
+'
+IFS=" ""	$nl"
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit=${DOITPROG-}
+if test -z "$doit"; then
+  doit_exec=exec
+else
+  doit_exec=$doit
+fi
+
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${CHGRPPROG-chgrp}
+chmodprog=${CHMODPROG-chmod}
+chownprog=${CHOWNPROG-chown}
+cmpprog=${CMPPROG-cmp}
+cpprog=${CPPROG-cp}
+mkdirprog=${MKDIRPROG-mkdir}
+mvprog=${MVPROG-mv}
+rmprog=${RMPROG-rm}
+stripprog=${STRIPPROG-strip}
+
+posix_glob='?'
+initialize_posix_glob='
+  test "$posix_glob" != "?" || {
+    if (set -f) 2>/dev/null; then
+      posix_glob=
+    else
+      posix_glob=:
+    fi
+  }
+'
+
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chgrpcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$mvprog
+rmcmd="$rmprog -f"
+stripcmd=
+
+src=
+dst=
+dir_arg=
+dst_arg=
+
+copy_on_change=false
+no_target_directory=
+
+usage="\
+Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+   or: $0 [OPTION]... SRCFILES... DIRECTORY
+   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
+   or: $0 [OPTION]... -d DIRECTORIES...
+
+In the 1st form, copy SRCFILE to DSTFILE.
+In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
+In the 4th, create DIRECTORIES.
+
+Options:
+     --help     display this help and exit.
+     --version  display version info and exit.
+
+  -c            (ignored)
+  -C            install only if different (preserve the last data modification time)
+  -d            create directories instead of installing files.
+  -g GROUP      $chgrpprog installed files to GROUP.
+  -m MODE       $chmodprog installed files to MODE.
+  -o USER       $chownprog installed files to USER.
+  -s            $stripprog installed files.
+  -t DIRECTORY  install into DIRECTORY.
+  -T            report an error if DSTFILE is a directory.
+
+Environment variables override the default commands:
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
+  RMPROG STRIPPROG
+"
+
+while test $# -ne 0; do
+  case $1 in
+    -c) ;;
+
+    -C) copy_on_change=true;;
+
+    -d) dir_arg=true;;
+
+    -g) chgrpcmd="$chgrpprog $2"
+	shift;;
+
+    --help) echo "$usage"; exit $?;;
+
+    -m) mode=$2
+	case $mode in
+	  *' '* | *'	'* | *'
+'*	  | *'*'* | *'?'* | *'['*)
+	    echo "$0: invalid mode: $mode" >&2
+	    exit 1;;
+	esac
+	shift;;
+
+    -o) chowncmd="$chownprog $2"
+	shift;;
+
+    -s) stripcmd=$stripprog;;
+
+    -t) dst_arg=$2
+	# Protect names problematic for 'test' and other utilities.
+	case $dst_arg in
+	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
+	esac
+	shift;;
+
+    -T) no_target_directory=true;;
+
+    --version) echo "$0 $scriptversion"; exit $?;;
+
+    --)	shift
+	break;;
+
+    -*)	echo "$0: invalid option: $1" >&2
+	exit 1;;
+
+    *)  break;;
+  esac
+  shift
+done
+
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
+  # When -d is used, all remaining arguments are directories to create.
+  # When -t is used, the destination is already specified.
+  # Otherwise, the last argument is the destination.  Remove it from $@.
+  for arg
+  do
+    if test -n "$dst_arg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dst_arg"
+      shift # fnord
+    fi
+    shift # arg
+    dst_arg=$arg
+    # Protect names problematic for 'test' and other utilities.
+    case $dst_arg in
+      -* | [=\(\)!]) dst_arg=./$dst_arg;;
+    esac
+  done
+fi
+
+if test $# -eq 0; then
+  if test -z "$dir_arg"; then
+    echo "$0: no input file specified." >&2
+    exit 1
+  fi
+  # It's OK to call 'install-sh -d' without argument.
+  # This can happen when creating conditional directories.
+  exit 0
+fi
+
+if test -z "$dir_arg"; then
+  do_exit='(exit $ret); exit $ret'
+  trap "ret=129; $do_exit" 1
+  trap "ret=130; $do_exit" 2
+  trap "ret=141; $do_exit" 13
+  trap "ret=143; $do_exit" 15
+
+  # Set umask so as not to create temps with too-generous modes.
+  # However, 'strip' requires both read and write access to temps.
+  case $mode in
+    # Optimize common cases.
+    *644) cp_umask=133;;
+    *755) cp_umask=22;;
+
+    *[0-7])
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw='% 200'
+      fi
+      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
+    *)
+      if test -z "$stripcmd"; then
+	u_plus_rw=
+      else
+	u_plus_rw=,u+rw
+      fi
+      cp_umask=$mode$u_plus_rw;;
+  esac
+fi
+
+for src
+do
+  # Protect names problematic for 'test' and other utilities.
+  case $src in
+    -* | [=\(\)!]) src=./$src;;
+  esac
+
+  if test -n "$dir_arg"; then
+    dst=$src
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?
+  else
+
+    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
+    # might cause directories to be created, which would be especially bad
+    # if $src (and thus $dsttmp) contains '*'.
+    if test ! -f "$src" && test ! -d "$src"; then
+      echo "$0: $src does not exist." >&2
+      exit 1
+    fi
+
+    if test -z "$dst_arg"; then
+      echo "$0: no destination specified." >&2
+      exit 1
+    fi
+    dst=$dst_arg
+
+    # If destination is a directory, append the input filename; won't work
+    # if double slashes aren't ignored.
+    if test -d "$dst"; then
+      if test -n "$no_target_directory"; then
+	echo "$0: $dst_arg: Is a directory" >&2
+	exit 1
+      fi
+      dstdir=$dst
+      dst=$dstdir/`basename "$src"`
+      dstdir_status=0
+    else
+      # Prefer dirname, but fall back on a substitute if dirname fails.
+      dstdir=`
+	(dirname "$dst") 2>/dev/null ||
+	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	     X"$dst" : 'X\(//\)[^/]' \| \
+	     X"$dst" : 'X\(//\)$' \| \
+	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
+	echo X"$dst" |
+	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)[^/].*/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\/\)$/{
+		   s//\1/
+		   q
+		 }
+		 /^X\(\/\).*/{
+		   s//\1/
+		   q
+		 }
+		 s/.*/./; q'
+      `
+
+      test -d "$dstdir"
+      dstdir_status=$?
+    fi
+  fi
+
+  obsolete_mkdir_used=false
+
+  if test $dstdir_status != 0; then
+    case $posix_mkdir in
+      '')
+	# Create intermediate dirs using mode 755 as modified by the umask.
+	# This is like FreeBSD 'install' as of 1997-10-28.
+	umask=`umask`
+	case $stripcmd.$umask in
+	  # Optimize common cases.
+	  *[2367][2367]) mkdir_umask=$umask;;
+	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
+
+	  *[0-7])
+	    mkdir_umask=`expr $umask + 22 \
+	      - $umask % 100 % 40 + $umask % 20 \
+	      - $umask % 10 % 4 + $umask % 2
+	    `;;
+	  *) mkdir_umask=$umask,go-w;;
+	esac
+
+	# With -d, create the new directory with the user-specified mode.
+	# Otherwise, rely on $mkdir_umask.
+	if test -n "$dir_arg"; then
+	  mkdir_mode=-m$mode
+	else
+	  mkdir_mode=
+	fi
+
+	posix_mkdir=false
+	case $umask in
+	  *[123567][0-7][0-7])
+	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
+	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
+	    ;;
+	  *)
+	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+	    if (umask $mkdir_umask &&
+		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+	    then
+	      if test -z "$dir_arg" || {
+		   # Check for POSIX incompatibilities with -m.
+		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
+		   # other-writable bit of parent directory when it shouldn't.
+		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
+		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+		   case $ls_ld_tmpdir in
+		     d????-?r-*) different_mode=700;;
+		     d????-?--*) different_mode=755;;
+		     *) false;;
+		   esac &&
+		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
+		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
+		   }
+		 }
+	      then posix_mkdir=:
+	      fi
+	      rmdir "$tmpdir/d" "$tmpdir"
+	    else
+	      # Remove any dirs left behind by ancient mkdir implementations.
+	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+	    fi
+	    trap '' 0;;
+	esac;;
+    esac
+
+    if
+      $posix_mkdir && (
+	umask $mkdir_umask &&
+	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+      )
+    then :
+    else
+
+      # The umask is ridiculous, or mkdir does not conform to POSIX,
+      # or it failed possibly due to a race condition.  Create the
+      # directory the slow way, step by step, checking for races as we go.
+
+      case $dstdir in
+	/*) prefix='/';;
+	[-=\(\)!]*) prefix='./';;
+	*)  prefix='';;
+      esac
+
+      eval "$initialize_posix_glob"
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob set -f
+      set fnord $dstdir
+      shift
+      $posix_glob set +f
+      IFS=$oIFS
+
+      prefixes=
+
+      for d
+      do
+	test X"$d" = X && continue
+
+	prefix=$prefix$d
+	if test -d "$prefix"; then
+	  prefixes=
+	else
+	  if $posix_mkdir; then
+	    (umask=$mkdir_umask &&
+	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
+	    # Don't fail if two instances are running concurrently.
+	    test -d "$prefix" || exit 1
+	  else
+	    case $prefix in
+	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
+	      *) qprefix=$prefix;;
+	    esac
+	    prefixes="$prefixes '$qprefix'"
+	  fi
+	fi
+	prefix=$prefix/
+      done
+
+      if test -n "$prefixes"; then
+	# Don't fail if two instances are running concurrently.
+	(umask $mkdir_umask &&
+	 eval "\$doit_exec \$mkdirprog $prefixes") ||
+	  test -d "$dstdir" || exit 1
+	obsolete_mkdir_used=true
+      fi
+    fi
+  fi
+
+  if test -n "$dir_arg"; then
+    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
+    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
+      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
+  else
+
+    # Make a couple of temp file names in the proper directory.
+    dsttmp=$dstdir/_inst.$$_
+    rmtmp=$dstdir/_rm.$$_
+
+    # Trap to clean up those temp files at exit.
+    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
+
+    # Copy the file name to the temp name.
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+
+    # and set any options; do chmod last to preserve setuid bits.
+    #
+    # If any of these fail, we abort the whole thing.  If we want to
+    # ignore errors from any of these, just make sure not to ignore
+    # errors from the above "$doit $cpprog $src $dsttmp" command.
+    #
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+
+    # If -C, don't bother to copy if it wouldn't change the file.
+    if $copy_on_change &&
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
+
+       eval "$initialize_posix_glob" &&
+       $posix_glob set -f &&
+       set X $old && old=:$2:$4:$5:$6 &&
+       set X $new && new=:$2:$4:$5:$6 &&
+       $posix_glob set +f &&
+
+       test "$old" = "$new" &&
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
+    then
+      rm -f "$dsttmp"
+    else
+      # Rename the file to the real destination.
+      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
+
+      # The rename failed, perhaps because mv can't rename something else
+      # to itself, or perhaps because mv is so ancient that it does not
+      # support -f.
+      {
+	# Now remove or move aside any old file at destination location.
+	# We try this two ways since rm can't unlink itself on some
+	# systems and the destination file might be busy for other
+	# reasons.  In this case, the final cleanup might fail but the new
+	# file should still install successfully.
+	{
+	  test ! -f "$dst" ||
+	  $doit $rmcmd -f "$dst" 2>/dev/null ||
+	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
+	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
+	  } ||
+	  { echo "$0: cannot unlink or rename $dst" >&2
+	    (exit 1); exit 1
+	  }
+	} &&
+
+	# Now rename the file to the real destination.
+	$doit $mvcmd "$dsttmp" "$dst"
+      }
+    fi || exit 1
+
+    trap '' 0
+  fi
+done
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

config/m4/.gitignore

@@ -0,0 +1,2 @@
+libtool.m4
+lt*.m4

config/m4/check-math-func.m4

@@ -0,0 +1,4 @@
+dnl AC_FIND_FUNC(func, arguments)
+AC_DEFUN([AC_CHECK_MATH_FUNC], [
+  AC_FIND_FUNC_NO_LIBS([$1], [m], [#include <math.h>], [$2])
+])

config/m4/find-func-no-libs.m4

@@ -0,0 +1,8 @@
+dnl Shamelessly stolen from Heimdal
+dnl
+dnl Look for function in any of the specified libraries
+dnl
+
+dnl AC_FIND_FUNC_NO_LIBS(func, libraries, includes, arguments, extra libs, extra args)
+AC_DEFUN([AC_FIND_FUNC_NO_LIBS], [
+AC_FIND_FUNC_NO_LIBS2([$1], ["" $2], [$3], [$4], [$5], [$6])])

config/m4/find-func-no-libs2.m4

@@ -0,0 +1,62 @@
+dnl Shamelessly stolen from Heimdal
+dnl
+dnl Look for function in any of the specified libraries
+dnl
+
+dnl AC_FIND_FUNC_NO_LIBS2(func, libraries, includes, arguments, extra libs, extra args)
+AC_DEFUN([AC_FIND_FUNC_NO_LIBS2], [
+
+AC_MSG_CHECKING([for $1])
+AC_CACHE_VAL(ac_cv_funclib_$1,
+[
+if eval "test \"\$ac_cv_func_$1\" != yes" ; then
+	ac_save_LIBS="$LIBS"
+	for ac_lib in $2; do
+		case "$ac_lib" in
+		"") ;;
+		yes) ac_lib="" ;;
+		no) continue ;;
+		-l*) ;;
+		*) ac_lib="-l$ac_lib" ;;
+		esac
+		LIBS="$6 $ac_lib $5 $ac_save_LIBS"
+		AC_LINK_IFELSE([AC_LANG_PROGRAM([[$3]],[[$1($4)]])],[eval "if test -n \"$ac_lib\";then ac_cv_funclib_$1=$ac_lib; else ac_cv_funclib_$1=yes; fi";break])
+	done
+	eval "ac_cv_funclib_$1=\${ac_cv_funclib_$1-no}"
+	LIBS="$ac_save_LIBS"
+fi
+])
+
+eval "ac_res=\$ac_cv_funclib_$1"
+
+if false; then
+	AC_CHECK_FUNCS($1)
+dnl	AC_CHECK_LIBS($2, foo)
+fi
+# $1
+eval "ac_tr_func=HAVE_[]upcase($1)"
+eval "ac_tr_lib=HAVE_LIB[]upcase($ac_res | sed -e 's/-l//')"
+eval "LIB_$1=$ac_res"
+
+case "$ac_res" in
+	yes)
+	eval "ac_cv_func_$1=yes"
+	eval "LIB_$1="
+	AC_DEFINE_UNQUOTED($ac_tr_func)
+	AC_MSG_RESULT([yes])
+	;;
+	no)
+	eval "ac_cv_func_$1=no"
+	eval "LIB_$1="
+	AC_MSG_RESULT([no])
+	;;
+	*)
+	eval "ac_cv_func_$1=yes"
+	eval "ac_cv_lib_`echo "$ac_res" | sed 's/-l//'`=yes"
+	AC_DEFINE_UNQUOTED($ac_tr_func)
+	AC_DEFINE_UNQUOTED($ac_tr_lib)
+	AC_MSG_RESULT([yes, in $ac_res])
+	;;
+esac
+AC_SUBST(LIB_$1)
+])

config/m4/find-func.m4

@@ -0,0 +1,9 @@
+dnl Shamelessly stolen from Heimdal
+dnl
+dnl AC_FIND_FUNC(func, libraries, includes, arguments)
+AC_DEFUN([AC_FIND_FUNC], [
+AC_FIND_FUNC_NO_LIBS([$1], [$2], [$3], [$4])
+if test -n "$LIB_$1"; then
+	LIBS="$LIB_$1 $LIBS"
+fi
+])

config/m4/ltoptions.m4

@@ -0,0 +1,384 @@
+# Helper functions for option handling.                    -*- Autoconf -*-
+#
+#   Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation,
+#   Inc.
+#   Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 7 ltoptions.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
+
+
+# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
+# ------------------------------------------
+m4_define([_LT_MANGLE_OPTION],
+[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
+
+
+# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
+# ---------------------------------------
+# Set option OPTION-NAME for macro MACRO-NAME, and if there is a
+# matching handler defined, dispatch to it.  Other OPTION-NAMEs are
+# saved as a flag.
+m4_define([_LT_SET_OPTION],
+[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
+m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
+        _LT_MANGLE_DEFUN([$1], [$2]),
+    [m4_warning([Unknown $1 option `$2'])])[]dnl
+])
+
+
+# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
+# ------------------------------------------------------------
+# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
+m4_define([_LT_IF_OPTION],
+[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
+
+
+# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
+# -------------------------------------------------------
+# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
+# are set.
+m4_define([_LT_UNLESS_OPTIONS],
+[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
+		      [m4_define([$0_found])])])[]dnl
+m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
+])[]dnl
+])
+
+
+# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
+# ----------------------------------------
+# OPTION-LIST is a space-separated list of Libtool options associated
+# with MACRO-NAME.  If any OPTION has a matching handler declared with
+# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
+# the unknown option and exit.
+m4_defun([_LT_SET_OPTIONS],
+[# Set options
+m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
+    [_LT_SET_OPTION([$1], _LT_Option)])
+
+m4_if([$1],[LT_INIT],[
+  dnl
+  dnl Simply set some default values (i.e off) if boolean options were not
+  dnl specified:
+  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
+  ])
+  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
+  ])
+  dnl
+  dnl If no reference was made to various pairs of opposing options, then
+  dnl we run the default mode handler for the pair.  For example, if neither
+  dnl `shared' nor `disable-shared' was passed, we enable building of shared
+  dnl archives by default:
+  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
+  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
+  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
+  		   [_LT_ENABLE_FAST_INSTALL])
+  ])
+])# _LT_SET_OPTIONS
+
+
+## --------------------------------- ##
+## Macros to handle LT_INIT options. ##
+## --------------------------------- ##
+
+# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
+# -----------------------------------------
+m4_define([_LT_MANGLE_DEFUN],
+[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
+
+
+# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
+# -----------------------------------------------
+m4_define([LT_OPTION_DEFINE],
+[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
+])# LT_OPTION_DEFINE
+
+
+# dlopen
+# ------
+LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
+])
+
+AU_DEFUN([AC_LIBTOOL_DLOPEN],
+[_LT_SET_OPTION([LT_INIT], [dlopen])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `dlopen' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
+
+
+# win32-dll
+# ---------
+# Declare package support for building win32 dll's.
+LT_OPTION_DEFINE([LT_INIT], [win32-dll],
+[enable_win32_dll=yes
+
+case $host in
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
+  AC_CHECK_TOOL(AS, as, false)
+  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
+  AC_CHECK_TOOL(OBJDUMP, objdump, false)
+  ;;
+esac
+
+test -z "$AS" && AS=as
+_LT_DECL([], [AS],      [1], [Assembler program])dnl
+
+test -z "$DLLTOOL" && DLLTOOL=dlltool
+_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
+
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
+])# win32-dll
+
+AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+_LT_SET_OPTION([LT_INIT], [win32-dll])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `win32-dll' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
+
+
+# _LT_ENABLE_SHARED([DEFAULT])
+# ----------------------------
+# implement the --enable-shared flag, and supports the `shared' and
+# `disable-shared' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_SHARED],
+[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
+	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_shared=yes ;;
+    no) enable_shared=no ;;
+    *)
+      enable_shared=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_shared=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
+
+    _LT_DECL([build_libtool_libs], [enable_shared], [0],
+	[Whether or not to build shared libraries])
+])# _LT_ENABLE_SHARED
+
+LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
+])
+
+AC_DEFUN([AC_DISABLE_SHARED],
+[_LT_SET_OPTION([LT_INIT], [disable-shared])
+])
+
+AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
+AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_SHARED], [])
+dnl AC_DEFUN([AM_DISABLE_SHARED], [])
+
+
+
+# _LT_ENABLE_STATIC([DEFAULT])
+# ----------------------------
+# implement the --enable-static flag, and support the `static' and
+# `disable-static' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_STATIC],
+[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
+	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_static=yes ;;
+    no) enable_static=no ;;
+    *)
+     enable_static=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_static=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
+
+    _LT_DECL([build_old_libs], [enable_static], [0],
+	[Whether or not to build static libraries])
+])# _LT_ENABLE_STATIC
+
+LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
+
+# Old names:
+AC_DEFUN([AC_ENABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
+])
+
+AC_DEFUN([AC_DISABLE_STATIC],
+[_LT_SET_OPTION([LT_INIT], [disable-static])
+])
+
+AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
+AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AM_ENABLE_STATIC], [])
+dnl AC_DEFUN([AM_DISABLE_STATIC], [])
+
+
+
+# _LT_ENABLE_FAST_INSTALL([DEFAULT])
+# ----------------------------------
+# implement the --enable-fast-install flag, and support the `fast-install'
+# and `disable-fast-install' LT_INIT options.
+# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
+m4_define([_LT_ENABLE_FAST_INSTALL],
+[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
+AC_ARG_ENABLE([fast-install],
+    [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
+    [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
+    [p=${PACKAGE-default}
+    case $enableval in
+    yes) enable_fast_install=yes ;;
+    no) enable_fast_install=no ;;
+    *)
+      enable_fast_install=no
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for pkg in $enableval; do
+	IFS="$lt_save_ifs"
+	if test "X$pkg" = "X$p"; then
+	  enable_fast_install=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
+
+_LT_DECL([fast_install], [enable_fast_install], [0],
+	 [Whether or not to optimize for fast installation])dnl
+])# _LT_ENABLE_FAST_INSTALL
+
+LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
+LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
+
+# Old names:
+AU_DEFUN([AC_ENABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `fast-install' option into LT_INIT's first parameter.])
+])
+
+AU_DEFUN([AC_DISABLE_FAST_INSTALL],
+[_LT_SET_OPTION([LT_INIT], [disable-fast-install])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you put
+the `disable-fast-install' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
+dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
+
+
+# _LT_WITH_PIC([MODE])
+# --------------------
+# implement the --with-pic flag, and support the `pic-only' and `no-pic'
+# LT_INIT options.
+# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
+m4_define([_LT_WITH_PIC],
+[AC_ARG_WITH([pic],
+    [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
+	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
+    [lt_p=${PACKAGE-default}
+    case $withval in
+    yes|no) pic_mode=$withval ;;
+    *)
+      pic_mode=default
+      # Look at the argument we got.  We use all the common list separators.
+      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
+      for lt_pkg in $withval; do
+	IFS="$lt_save_ifs"
+	if test "X$lt_pkg" = "X$lt_p"; then
+	  pic_mode=yes
+	fi
+      done
+      IFS="$lt_save_ifs"
+      ;;
+    esac],
+    [pic_mode=default])
+
+test -z "$pic_mode" && pic_mode=m4_default([$1], [default])
+
+_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
+])# _LT_WITH_PIC
+
+LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
+LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
+
+# Old name:
+AU_DEFUN([AC_LIBTOOL_PICMODE],
+[_LT_SET_OPTION([LT_INIT], [pic-only])
+AC_DIAGNOSE([obsolete],
+[$0: Remove this warning and the call to _LT_SET_OPTION when you
+put the `pic-only' option into LT_INIT's first parameter.])
+])
+
+dnl aclocal-1.4 backwards compatibility:
+dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
+
+## ----------------- ##
+## LTDL_INIT Options ##
+## ----------------- ##
+
+m4_define([_LTDL_MODE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
+		 [m4_define([_LTDL_MODE], [nonrecursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [recursive],
+		 [m4_define([_LTDL_MODE], [recursive])])
+LT_OPTION_DEFINE([LTDL_INIT], [subproject],
+		 [m4_define([_LTDL_MODE], [subproject])])
+
+m4_define([_LTDL_TYPE], [])
+LT_OPTION_DEFINE([LTDL_INIT], [installable],
+		 [m4_define([_LTDL_TYPE], [installable])])
+LT_OPTION_DEFINE([LTDL_INIT], [convenience],
+		 [m4_define([_LTDL_TYPE], [convenience])])

config/m4/ltsugar.m4

@@ -0,0 +1,123 @@
+# ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
+#
+# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 6 ltsugar.m4
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
+
+
+# lt_join(SEP, ARG1, [ARG2...])
+# -----------------------------
+# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their
+# associated separator.
+# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier
+# versions in m4sugar had bugs.
+m4_define([lt_join],
+[m4_if([$#], [1], [],
+       [$#], [2], [[$2]],
+       [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])])
+m4_define([_lt_join],
+[m4_if([$#$2], [2], [],
+       [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])])
+
+
+# lt_car(LIST)
+# lt_cdr(LIST)
+# ------------
+# Manipulate m4 lists.
+# These macros are necessary as long as will still need to support
+# Autoconf-2.59 which quotes differently.
+m4_define([lt_car], [[$1]])
+m4_define([lt_cdr],
+[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
+       [$#], 1, [],
+       [m4_dquote(m4_shift($@))])])
+m4_define([lt_unquote], $1)
+
+
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
+# Note that neither SEPARATOR nor STRING are expanded; they are appended
+# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
+# No SEPARATOR is output if MACRO-NAME was previously undefined (different
+# than defined and empty).
+#
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
+m4_define([lt_append],
+[m4_define([$1],
+	   m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
+# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
+# ----------------------------------------------------------
+# Produce a SEP delimited list of all paired combinations of elements of
+# PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
+# has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
+m4_define([lt_combine],
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
+
+
+# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
+# -----------------------------------------------------------------------
+# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
+# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
+m4_define([lt_if_append_uniq],
+[m4_ifdef([$1],
+	  [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+		 [lt_append([$1], [$2], [$3])$4],
+		 [$5])],
+	  [lt_append([$1], [$2], [$3])$4])])
+
+
+# lt_dict_add(DICT, KEY, VALUE)
+# -----------------------------
+m4_define([lt_dict_add],
+[m4_define([$1($2)], [$3])])
+
+
+# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE)
+# --------------------------------------------
+m4_define([lt_dict_add_subkey],
+[m4_define([$1($2:$3)], [$4])])
+
+
+# lt_dict_fetch(DICT, KEY, [SUBKEY])
+# ----------------------------------
+m4_define([lt_dict_fetch],
+[m4_ifval([$3],
+	m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]),
+    m4_ifdef([$1($2)], [m4_defn([$1($2)])]))])
+
+
+# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE])
+# -----------------------------------------------------------------
+m4_define([lt_if_dict_fetch],
+[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4],
+	[$5],
+    [$6])])
+
+
+# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...])
+# --------------------------------------------------------------
+m4_define([lt_dict_filter],
+[m4_if([$5], [], [],
+  [lt_join(m4_quote(m4_default([$4], [[, ]])),
+           lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]),
+		      [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl
+])

config/m4/ltversion.m4

@@ -0,0 +1,23 @@
+# ltversion.m4 -- version numbers			-*- Autoconf -*-
+#
+#   Copyright (C) 2004 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# @configure_input@
+
+# serial 3337 ltversion.m4
+# This file is part of GNU Libtool
+
+m4_define([LT_PACKAGE_VERSION], [2.4.2])
+m4_define([LT_PACKAGE_REVISION], [1.3337])
+
+AC_DEFUN([LTVERSION_VERSION],
+[macro_version='2.4.2'
+macro_revision='1.3337'
+_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
+_LT_DECL(, macro_revision, 0)
+])

config/m4/lt~obsolete.m4

@@ -0,0 +1,98 @@
+# lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
+#
+#   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+#   Written by Scott James Remnant, 2004.
+#
+# This file is free software; the Free Software Foundation gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+
+# serial 5 lt~obsolete.m4
+
+# These exist entirely to fool aclocal when bootstrapping libtool.
+#
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
+# which have later been changed to m4_define as they aren't part of the
+# exported API, or moved to Autoconf or Automake where they belong.
+#
+# The trouble is, aclocal is a bit thick.  It'll see the old AC_DEFUN
+# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us
+# using a macro with the same name in our local m4/libtool.m4 it'll
+# pull the old libtool.m4 in (it doesn't see our shiny new m4_define
+# and doesn't know about Autoconf macros at all.)
+#
+# So we provide this file, which has a silly filename so it's always
+# included after everything else.  This provides aclocal with the
+# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
+# because those macros already exist, or will be overwritten later.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 
+#
+# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
+# Yes, that means every name once taken will need to remain here until
+# we give up compatibility with versions before 1.7, at which point
+# we need to keep only those names which we still refer to.
+
+# This is to help aclocal find these macros, as it can't see m4_define.
+AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])])
+
+m4_ifndef([AC_LIBTOOL_LINKER_OPTION],	[AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])])
+m4_ifndef([AC_PROG_EGREP],		[AC_DEFUN([AC_PROG_EGREP])])
+m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_AC_SHELL_INIT],		[AC_DEFUN([_LT_AC_SHELL_INIT])])
+m4_ifndef([_LT_AC_SYS_LIBPATH_AIX],	[AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])])
+m4_ifndef([_LT_PROG_LTMAIN],		[AC_DEFUN([_LT_PROG_LTMAIN])])
+m4_ifndef([_LT_AC_TAGVAR],		[AC_DEFUN([_LT_AC_TAGVAR])])
+m4_ifndef([AC_LTDL_ENABLE_INSTALL],	[AC_DEFUN([AC_LTDL_ENABLE_INSTALL])])
+m4_ifndef([AC_LTDL_PREOPEN],		[AC_DEFUN([AC_LTDL_PREOPEN])])
+m4_ifndef([_LT_AC_SYS_COMPILER],	[AC_DEFUN([_LT_AC_SYS_COMPILER])])
+m4_ifndef([_LT_AC_LOCK],		[AC_DEFUN([_LT_AC_LOCK])])
+m4_ifndef([AC_LIBTOOL_SYS_OLD_ARCHIVE],	[AC_DEFUN([AC_LIBTOOL_SYS_OLD_ARCHIVE])])
+m4_ifndef([_LT_AC_TRY_DLOPEN_SELF],	[AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF])])
+m4_ifndef([AC_LIBTOOL_PROG_CC_C_O],	[AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O])])
+m4_ifndef([AC_LIBTOOL_SYS_HARD_LINK_LOCKS], [AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS])])
+m4_ifndef([AC_LIBTOOL_OBJDIR],		[AC_DEFUN([AC_LIBTOOL_OBJDIR])])
+m4_ifndef([AC_LTDL_OBJDIR],		[AC_DEFUN([AC_LTDL_OBJDIR])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH], [AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH])])
+m4_ifndef([AC_LIBTOOL_SYS_LIB_STRIP],	[AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP])])
+m4_ifndef([AC_PATH_MAGIC],		[AC_DEFUN([AC_PATH_MAGIC])])
+m4_ifndef([AC_PROG_LD_GNU],		[AC_DEFUN([AC_PROG_LD_GNU])])
+m4_ifndef([AC_PROG_LD_RELOAD_FLAG],	[AC_DEFUN([AC_PROG_LD_RELOAD_FLAG])])
+m4_ifndef([AC_DEPLIBS_CHECK_METHOD],	[AC_DEFUN([AC_DEPLIBS_CHECK_METHOD])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_NO_RTTI], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI])])
+m4_ifndef([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])])
+m4_ifndef([AC_LIBTOOL_PROG_COMPILER_PIC], [AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC])])
+m4_ifndef([AC_LIBTOOL_PROG_LD_SHLIBS],	[AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS])])
+m4_ifndef([AC_LIBTOOL_POSTDEP_PREDEP],	[AC_DEFUN([AC_LIBTOOL_POSTDEP_PREDEP])])
+m4_ifndef([LT_AC_PROG_EGREP],		[AC_DEFUN([LT_AC_PROG_EGREP])])
+m4_ifndef([LT_AC_PROG_SED],		[AC_DEFUN([LT_AC_PROG_SED])])
+m4_ifndef([_LT_CC_BASENAME],		[AC_DEFUN([_LT_CC_BASENAME])])
+m4_ifndef([_LT_COMPILER_BOILERPLATE],	[AC_DEFUN([_LT_COMPILER_BOILERPLATE])])
+m4_ifndef([_LT_LINKER_BOILERPLATE],	[AC_DEFUN([_LT_LINKER_BOILERPLATE])])
+m4_ifndef([_AC_PROG_LIBTOOL],		[AC_DEFUN([_AC_PROG_LIBTOOL])])
+m4_ifndef([AC_LIBTOOL_SETUP],		[AC_DEFUN([AC_LIBTOOL_SETUP])])
+m4_ifndef([_LT_AC_CHECK_DLFCN],		[AC_DEFUN([_LT_AC_CHECK_DLFCN])])
+m4_ifndef([AC_LIBTOOL_SYS_DYNAMIC_LINKER],	[AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER])])
+m4_ifndef([_LT_AC_TAGCONFIG],		[AC_DEFUN([_LT_AC_TAGCONFIG])])
+m4_ifndef([AC_DISABLE_FAST_INSTALL],	[AC_DEFUN([AC_DISABLE_FAST_INSTALL])])
+m4_ifndef([_LT_AC_LANG_CXX],		[AC_DEFUN([_LT_AC_LANG_CXX])])
+m4_ifndef([_LT_AC_LANG_F77],		[AC_DEFUN([_LT_AC_LANG_F77])])
+m4_ifndef([_LT_AC_LANG_GCJ],		[AC_DEFUN([_LT_AC_LANG_GCJ])])
+m4_ifndef([AC_LIBTOOL_LANG_C_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG])])
+m4_ifndef([_LT_AC_LANG_C_CONFIG],	[AC_DEFUN([_LT_AC_LANG_C_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_CXX_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG])])
+m4_ifndef([_LT_AC_LANG_CXX_CONFIG],	[AC_DEFUN([_LT_AC_LANG_CXX_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_F77_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_F77_CONFIG])])
+m4_ifndef([_LT_AC_LANG_F77_CONFIG],	[AC_DEFUN([_LT_AC_LANG_F77_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_GCJ_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG])])
+m4_ifndef([_LT_AC_LANG_GCJ_CONFIG],	[AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG])])
+m4_ifndef([AC_LIBTOOL_LANG_RC_CONFIG],	[AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG])])
+m4_ifndef([_LT_AC_LANG_RC_CONFIG],	[AC_DEFUN([_LT_AC_LANG_RC_CONFIG])])
+m4_ifndef([AC_LIBTOOL_CONFIG],		[AC_DEFUN([AC_LIBTOOL_CONFIG])])
+m4_ifndef([_LT_AC_FILE_LTDLL_C],	[AC_DEFUN([_LT_AC_FILE_LTDLL_C])])
+m4_ifndef([_LT_REQUIRED_DARWIN_CHECKS],	[AC_DEFUN([_LT_REQUIRED_DARWIN_CHECKS])])
+m4_ifndef([_LT_AC_PROG_CXXCPP],		[AC_DEFUN([_LT_AC_PROG_CXXCPP])])
+m4_ifndef([_LT_PREPARE_SED_QUOTE_VARS],	[AC_DEFUN([_LT_PREPARE_SED_QUOTE_VARS])])
+m4_ifndef([_LT_PROG_ECHO_BACKSLASH],	[AC_DEFUN([_LT_PROG_ECHO_BACKSLASH])])
+m4_ifndef([_LT_PROG_F77],		[AC_DEFUN([_LT_PROG_F77])])
+m4_ifndef([_LT_PROG_FC],		[AC_DEFUN([_LT_PROG_FC])])
+m4_ifndef([_LT_PROG_CXX],		[AC_DEFUN([_LT_PROG_CXX])])

config/m4/misc.m4

@@ -0,0 +1,3 @@
+
+dnl Shamelessly stolen from Heimdal
+AC_DEFUN([upcase],[`echo $1 | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`])dnl

config/missing

@@ -0,0 +1,215 @@
+#! /bin/sh
+# Common wrapper for a few potentially missing GNU programs.
+
+scriptversion=2013-10-28.13; # UTC
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+if test $# -eq 0; then
+  echo 1>&2 "Try '$0 --help' for more information"
+  exit 1
+fi
+
+case $1 in
+
+  --is-lightweight)
+    # Used by our autoconf macros to check whether the available missing
+    # script is modern enough.
+    exit 0
+    ;;
+
+  --run)
+    # Back-compat with the calling convention used by older automake.
+    shift
+    ;;
+
+  -h|--h|--he|--hel|--help)
+    echo "\
+$0 [OPTION]... PROGRAM [ARGUMENT]...
+
+Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
+to PROGRAM being missing or too old.
+
+Options:
+  -h, --help      display this help and exit
+  -v, --version   output version information and exit
+
+Supported PROGRAM values:
+  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
+  bison     yacc      flex         lex       help2man
+
+Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
+'g' are ignored when checking the name.
+
+Send bug reports to <bug-automake@gnu.org>."
+    exit $?
+    ;;
+
+  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
+    echo "missing $scriptversion (GNU Automake)"
+    exit $?
+    ;;
+
+  -*)
+    echo 1>&2 "$0: unknown '$1' option"
+    echo 1>&2 "Try '$0 --help' for more information"
+    exit 1
+    ;;
+
+esac
+
+# Run the given program, remember its exit status.
+"$@"; st=$?
+
+# If it succeeded, we are done.
+test $st -eq 0 && exit 0
+
+# Also exit now if we it failed (or wasn't found), and '--version' was
+# passed; such an option is passed most likely to detect whether the
+# program is present and works.
+case $2 in --version|--help) exit $st;; esac
+
+# Exit code 63 means version mismatch.  This often happens when the user
+# tries to use an ancient version of a tool on a file that requires a
+# minimum version.
+if test $st -eq 63; then
+  msg="probably too old"
+elif test $st -eq 127; then
+  # Program was missing.
+  msg="missing on your system"
+else
+  # Program was found and executed, but failed.  Give up.
+  exit $st
+fi
+
+perl_URL=http://www.perl.org/
+flex_URL=http://flex.sourceforge.net/
+gnu_software_URL=http://www.gnu.org/software
+
+program_details ()
+{
+  case $1 in
+    aclocal|automake)
+      echo "The '$1' program is part of the GNU Automake package:"
+      echo "<$gnu_software_URL/automake>"
+      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/autoconf>"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+    autoconf|autom4te|autoheader)
+      echo "The '$1' program is part of the GNU Autoconf package:"
+      echo "<$gnu_software_URL/autoconf/>"
+      echo "It also requires GNU m4 and Perl in order to run:"
+      echo "<$gnu_software_URL/m4/>"
+      echo "<$perl_URL>"
+      ;;
+  esac
+}
+
+give_advice ()
+{
+  # Normalize program name to check for.
+  normalized_program=`echo "$1" | sed '
+    s/^gnu-//; t
+    s/^gnu//; t
+    s/^g//; t'`
+
+  printf '%s\n' "'$1' is $msg."
+
+  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
+  case $normalized_program in
+    autoconf*)
+      echo "You should only need it if you modified 'configure.ac',"
+      echo "or m4 files included by it."
+      program_details 'autoconf'
+      ;;
+    autoheader*)
+      echo "You should only need it if you modified 'acconfig.h' or"
+      echo "$configure_deps."
+      program_details 'autoheader'
+      ;;
+    automake*)
+      echo "You should only need it if you modified 'Makefile.am' or"
+      echo "$configure_deps."
+      program_details 'automake'
+      ;;
+    aclocal*)
+      echo "You should only need it if you modified 'acinclude.m4' or"
+      echo "$configure_deps."
+      program_details 'aclocal'
+      ;;
+   autom4te*)
+      echo "You might have modified some maintainer files that require"
+      echo "the 'autom4te' program to be rebuilt."
+      program_details 'autom4te'
+      ;;
+    bison*|yacc*)
+      echo "You should only need it if you modified a '.y' file."
+      echo "You may want to install the GNU Bison package:"
+      echo "<$gnu_software_URL/bison/>"
+      ;;
+    lex*|flex*)
+      echo "You should only need it if you modified a '.l' file."
+      echo "You may want to install the Fast Lexical Analyzer package:"
+      echo "<$flex_URL>"
+      ;;
+    help2man*)
+      echo "You should only need it if you modified a dependency" \
+           "of a man page."
+      echo "You may want to install the GNU Help2man package:"
+      echo "<$gnu_software_URL/help2man/>"
+    ;;
+    makeinfo*)
+      echo "You should only need it if you modified a '.texi' file, or"
+      echo "any other file indirectly affecting the aspect of the manual."
+      echo "You might want to install the Texinfo package:"
+      echo "<$gnu_software_URL/texinfo/>"
+      echo "The spurious makeinfo call might also be the consequence of"
+      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
+      echo "want to install GNU make:"
+      echo "<$gnu_software_URL/make/>"
+      ;;
+    *)
+      echo "You might have modified some files without having the proper"
+      echo "tools for further handling them.  Check the 'README' file, it"
+      echo "often tells you about the needed prerequisites for installing"
+      echo "this package.  You may also peek at any GNU archive site, in"
+      echo "case some other package contains this missing '$1' program."
+      ;;
+  esac
+}
+
+give_advice "$1" | sed -e '1s/^/WARNING: /' \
+                       -e '2,$s/^/         /' >&2
+
+# Propagate the correct exit status (expected to be 127 for a program
+# not found, 63 for a program that failed due to version mismatch).
+exit $st
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

config/test-driver

@@ -0,0 +1,139 @@
+#! /bin/sh
+# test-driver - basic testsuite driver script.
+
+scriptversion=2013-07-13.22; # UTC
+
+# Copyright (C) 2011-2013 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+# Make unconditional expansion of undefined variables an error.  This
+# helps a lot in preventing typo-related bugs.
+set -u
+
+usage_error ()
+{
+  echo "$0: $*" >&2
+  print_usage >&2
+  exit 2
+}
+
+print_usage ()
+{
+  cat <<END
+Usage:
+  test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
+              [--expect-failure={yes|no}] [--color-tests={yes|no}]
+              [--enable-hard-errors={yes|no}] [--]
+              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+END
+}
+
+test_name= # Used for reporting.
+log_file=  # Where to save the output of the test script.
+trs_file=  # Where to save the metadata of the test run.
+expect_failure=no
+color_tests=no
+enable_hard_errors=yes
+while test $# -gt 0; do
+  case $1 in
+  --help) print_usage; exit $?;;
+  --version) echo "test-driver $scriptversion"; exit $?;;
+  --test-name) test_name=$2; shift;;
+  --log-file) log_file=$2; shift;;
+  --trs-file) trs_file=$2; shift;;
+  --color-tests) color_tests=$2; shift;;
+  --expect-failure) expect_failure=$2; shift;;
+  --enable-hard-errors) enable_hard_errors=$2; shift;;
+  --) shift; break;;
+  -*) usage_error "invalid option: '$1'";;
+   *) break;;
+  esac
+  shift
+done
+
+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+  usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+  usage_error "missing argument"
+fi
+
+if test $color_tests = yes; then
+  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
+  red='' # Red.
+  grn='' # Green.
+  lgn='' # Light green.
+  blu='' # Blue.
+  mgn='' # Magenta.
+  std=''     # No color.
+else
+  red= grn= lgn= blu= mgn= std=
+fi
+
+do_exit='rm -f $log_file $trs_file; (exit $st); exit $st'
+trap "st=129; $do_exit" 1
+trap "st=130; $do_exit" 2
+trap "st=141; $do_exit" 13
+trap "st=143; $do_exit" 15
+
+# Test script is run here.
+"$@" >$log_file 2>&1
+estatus=$?
+if test $enable_hard_errors = no && test $estatus -eq 99; then
+  estatus=1
+fi
+
+case $estatus:$expect_failure in
+  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
+  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
+  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
+  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
+esac
+
+# Report outcome to console.
+echo "${col}${res}${std}: $test_name"
+
+# Register the test result, and other relevant metadata.
+echo ":test-result: $res" > $trs_file
+echo ":global-test-result: $res" >> $trs_file
+echo ":recheck: $recheck" >> $trs_file
+echo ":copy-in-global-log: $gcopy" >> $trs_file
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

config/ylwrap

@@ -0,0 +1,247 @@
+#! /bin/sh
+# ylwrap - wrapper for lex/yacc invocations.
+
+scriptversion=2013-01-12.17; # UTC
+
+# Copyright (C) 1996-2013 Free Software Foundation, Inc.
+#
+# Written by Tom Tromey <tromey@cygnus.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+get_dirname ()
+{
+  case $1 in
+    */*|*\\*) printf '%s\n' "$1" | sed -e 's|\([\\/]\)[^\\/]*$|\1|';;
+    # Otherwise,  we want the empty string (not ".").
+  esac
+}
+
+# guard FILE
+# ----------
+# The CPP macro used to guard inclusion of FILE.
+guard ()
+{
+  printf '%s\n' "$1"                                                    \
+    | sed                                                               \
+        -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'   \
+        -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g'                        \
+        -e 's/__*/_/g'
+}
+
+# quote_for_sed [STRING]
+# ----------------------
+# Return STRING (or stdin) quoted to be used as a sed pattern.
+quote_for_sed ()
+{
+  case $# in
+    0) cat;;
+    1) printf '%s\n' "$1";;
+  esac \
+    | sed -e 's|[][\\.*]|\\&|g'
+}
+
+case "$1" in
+  '')
+    echo "$0: No files given.  Try '$0 --help' for more information." 1>&2
+    exit 1
+    ;;
+  --basedir)
+    basedir=$2
+    shift 2
+    ;;
+  -h|--h*)
+    cat <<\EOF
+Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]...
+
+Wrapper for lex/yacc invocations, renaming files as desired.
+
+  INPUT is the input file
+  OUTPUT is one file PROG generates
+  DESIRED is the file we actually want instead of OUTPUT
+  PROGRAM is program to run
+  ARGS are passed to PROG
+
+Any number of OUTPUT,DESIRED pairs may be used.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit $?
+    ;;
+  -v|--v*)
+    echo "ylwrap $scriptversion"
+    exit $?
+    ;;
+esac
+
+
+# The input.
+input=$1
+shift
+# We'll later need for a correct munging of "#line" directives.
+input_sub_rx=`get_dirname "$input" | quote_for_sed`
+case $input in
+  [\\/]* | ?:[\\/]*)
+    # Absolute path; do nothing.
+    ;;
+  *)
+    # Relative path.  Make it absolute.
+    input=`pwd`/$input
+    ;;
+esac
+input_rx=`get_dirname "$input" | quote_for_sed`
+
+# Since DOS filename conventions don't allow two dots,
+# the DOS version of Bison writes out y_tab.c instead of y.tab.c
+# and y_tab.h instead of y.tab.h. Test to see if this is the case.
+y_tab_nodot=false
+if test -f y_tab.c || test -f y_tab.h; then
+  y_tab_nodot=true
+fi
+
+# The parser itself, the first file, is the destination of the .y.c
+# rule in the Makefile.
+parser=$1
+
+# A sed program to s/FROM/TO/g for all the FROM/TO so that, for
+# instance, we rename #include "y.tab.h" into #include "parse.h"
+# during the conversion from y.tab.c to parse.c.
+sed_fix_filenames=
+
+# Also rename header guards, as Bison 2.7 for instance uses its header
+# guard in its implementation file.
+sed_fix_header_guards=
+
+while test $# -ne 0; do
+  if test x"$1" = x"--"; then
+    shift
+    break
+  fi
+  from=$1
+  # Handle y_tab.c and y_tab.h output by DOS
+  if $y_tab_nodot; then
+    case $from in
+      "y.tab.c") from=y_tab.c;;
+      "y.tab.h") from=y_tab.h;;
+    esac
+  fi
+  shift
+  to=$1
+  shift
+  sed_fix_filenames="${sed_fix_filenames}s|"`quote_for_sed "$from"`"|$to|g;"
+  sed_fix_header_guards="${sed_fix_header_guards}s|"`guard "$from"`"|"`guard "$to"`"|g;"
+done
+
+# The program to run.
+prog=$1
+shift
+# Make any relative path in $prog absolute.
+case $prog in
+  [\\/]* | ?:[\\/]*) ;;
+  *[\\/]*) prog=`pwd`/$prog ;;
+esac
+
+dirname=ylwrap$$
+do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret'
+trap "ret=129; $do_exit" 1
+trap "ret=130; $do_exit" 2
+trap "ret=141; $do_exit" 13
+trap "ret=143; $do_exit" 15
+mkdir $dirname || exit 1
+
+cd $dirname
+
+case $# in
+  0) "$prog" "$input" ;;
+  *) "$prog" "$@" "$input" ;;
+esac
+ret=$?
+
+if test $ret -eq 0; then
+  for from in *
+  do
+    to=`printf '%s\n' "$from" | sed "$sed_fix_filenames"`
+    if test -f "$from"; then
+      # If $2 is an absolute path name, then just use that,
+      # otherwise prepend '../'.
+      case $to in
+        [\\/]* | ?:[\\/]*) target=$to;;
+        *) target=../$to;;
+      esac
+
+      # Do not overwrite unchanged header files to avoid useless
+      # recompilations.  Always update the parser itself: it is the
+      # destination of the .y.c rule in the Makefile.  Divert the
+      # output of all other files to a temporary file so we can
+      # compare them to existing versions.
+      if test $from != $parser; then
+        realtarget=$target
+        target=tmp-`printf '%s\n' "$target" | sed 's|.*[\\/]||g'`
+      fi
+
+      # Munge "#line" or "#" directives.  Don't let the resulting
+      # debug information point at an absolute srcdir.  Use the real
+      # output file name, not yy.lex.c for instance.  Adjust the
+      # include guards too.
+      sed -e "/^#/!b"                           \
+          -e "s|$input_rx|$input_sub_rx|"       \
+          -e "$sed_fix_filenames"               \
+          -e "$sed_fix_header_guards"           \
+        "$from" >"$target" || ret=$?
+
+      # Check whether files must be updated.
+      if test "$from" != "$parser"; then
+        if test -f "$realtarget" && cmp -s "$realtarget" "$target"; then
+          echo "$to is unchanged"
+          rm -f "$target"
+        else
+          echo "updating $to"
+          mv -f "$target" "$realtarget"
+        fi
+      fi
+    else
+      # A missing file is only an error for the parser.  This is a
+      # blatant hack to let us support using "yacc -d".  If -d is not
+      # specified, don't fail when the header file is "missing".
+      if test "$from" = "$parser"; then
+        ret=1
+      fi
+    fi
+  done
+fi
+
+# Remove the directory.
+cd ..
+rm -rf $dirname
+
+exit $ret
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

configure.ac

@@ -0,0 +1,221 @@
+m4_define([jq_version], m4_esyscmd_s([git describe --tags --dirty --match 'jq-*'|sed 's/^jq-//']))
+
+AC_INIT([jq], [jq_version], [https://github.com/stedolan/jq/issues],
+             [jq], [https://stedolan.github.io/jq])
+
+m4_include([m4/ax_compare_version.m4])
+m4_include([m4/ax_prog_bison_version.m4])
+
+dnl Created autoconf implementation thompson@dtosolutions, 26NOV12
+AC_PREREQ([2.64])
+AC_CONFIG_AUX_DIR([config])
+AM_INIT_AUTOMAKE([1.11.2 parallel-tests foreign -Wall])
+AM_SILENT_RULES([yes])
+AM_PROG_AR
+AM_MAINTAINER_MODE([enable])
+AC_PROG_CC
+AC_PROG_CC_STDC
+AC_PROG_CPP_WERROR
+AC_PROG_YACC
+AC_OBJEXT
+AC_EXEEXT
+LT_INIT([shared static win32-dll])
+AM_PROG_CC_C_O
+
+
+dnl couldn't use AM_PROG_LEX as it doesn't support header files like the
+dnl AC_PROG_YACC macros...
+
+dnl check bison version
+
+if test "$USE_MAINTAINER_MODE" = yes; then
+  if test "$YACC" != "bison -y"; then
+    AC_MSG_CHECKING([bison version])
+    AC_MSG_RESULT([not bison])
+  else
+    AX_PROG_BISON_VERSION([3],
+      [],
+      [AC_MSG_ERROR([You need bison version 3.0 or greater, or use --disable-maintainer-mode.])])
+  fi
+
+  AC_PROG_LEX
+  if test "x$LEX" != xflex; then
+    LEX="$SHELL $missing_dir/missing flex"
+  fi
+fi
+
+
+##########################################################################
+# check for ONIGURUMA library
+##########################################################################
+
+AC_ARG_WITH([oniguruma],
+    [AS_HELP_STRING([--with-oniguruma=prefix],
+        [try this for a non-standard install prefix of the oniguruma library])],
+    [ONIGURUMAPATHSET=1],
+    [ONIGURUMAPATHSET=0])
+
+if test $ONIGURUMAPATHSET = 1; then
+  CFLAGS="$CFLAGS -I${with_oniguruma}/include"
+  LDFLAGS="$LDFLAGS -L${with_oniguruma}/lib"
+fi
+
+# check for ONIGURUMA library
+HAVE_ONIGURUMA=0
+AC_CHECK_HEADER("oniguruma.h",
+    AC_CHECK_LIB([onig],[onig_version],[LIBS="$LIBS -lonig"; HAVE_ONIGURUMA=1;]))
+
+# handle check results
+if test $HAVE_ONIGURUMA != 1; then
+    AC_MSG_NOTICE([Oniguruma was not found.])
+    AC_MSG_NOTICE([ Try setting the location using '--with-oniguruma=PREFIX' ])
+else
+    AC_DEFINE([HAVE_ONIGURUMA],1,[Define to 1 if Oniguruma is installed])
+fi
+
+
+dnl Check for valgrind
+AC_CHECK_PROGS(valgrind_cmd, valgrind)
+if test "x$valgrind_cmd" = "x" ; then
+    AC_MSG_WARN([valgrind is required to test jq.])
+fi
+AC_CHECK_FUNCS(memmem)
+AC_CHECK_FUNCS(mkstemp)
+
+
+dnl Running tests with Valgrind is slow. It is faster to iterate on
+dnl code without Valgrind until tests pass, then enable Valgrind and
+dnl fix leaks.
+AC_ARG_ENABLE([valgrind],
+   AC_HELP_STRING([--disable-valgrind], [do not run tests under Valgrind]))
+
+dnl Code coverage
+AC_ARG_ENABLE([gcov],
+   AC_HELP_STRING([--enable-gcov], [enable gcov code coverage tool]))
+
+dnl Don't attempt to build docs if there's no Ruby lying around
+AC_ARG_ENABLE([docs],
+   AC_HELP_STRING([--disable-docs], [don't build docs]))
+
+dnl Don't attempt to build the error injection object (if there is no LD_PRELOAD support)
+AC_ARG_ENABLE([error-injection],
+   AC_HELP_STRING([--enable-error-injection], [build and test with error injection]))
+
+dnl Enable building all static
+AC_ARG_ENABLE([all-static],
+   AC_HELP_STRING([--enable-all-static], [link jq with static libraries only]))
+
+AS_IF([test "x$enable_docs" != "xno"],[
+   AC_CHECK_PROGS(bundle_cmd, bundle)
+
+   AC_CACHE_CHECK([for Ruby dependencies], [jq_cv_ruby_deps],
+     [jq_cv_ruby_deps=yes;
+        AS_IF([test "x$bundle_cmd" = "x" || \
+        ! bmsg="`cd ${srcdir}/docs; "$bundle_cmd" check 2>/dev/null`"],[
+           AC_MSG_WARN([$bmsg])
+           cat <<EOF
+*****************************************************************
+*  Ruby dependencies for building jq documentation not found.   *
+*  You can still build, install and hack on jq, but the manpage *
+*  will not be rebuilt and some of the tests won't run.         *
+*  See docs/README.md for how to install the docs dependencies. *
+*****************************************************************
+EOF
+           jq_cv_ruby_deps=no
+     ])])
+
+   if test "x$jq_cv_ruby_deps" != "xyes"; then
+     enable_docs=no
+   fi
+])
+
+AM_CONDITIONAL([ENABLE_VALGRIND], [test "x$enable_valgrind" != xno])
+AM_CONDITIONAL([ENABLE_GCOV], [test "x$enable_gcov" = xyes])
+AM_CONDITIONAL([ENABLE_DOCS], [test "x$enable_docs" != xno])
+AM_CONDITIONAL([ENABLE_ERROR_INJECTION], [test "x$enable_error_injection" = xyes])
+AM_CONDITIONAL([ENABLE_ALL_STATIC], [test "x$enable_all_static" = xyes])
+
+AC_FUNC_ALLOCA
+
+AC_FIND_FUNC([isatty], [c], [#include <unistd.h>], [0])
+AC_FIND_FUNC([_isatty], [c], [#include <io.h>], [0])
+AC_FIND_FUNC([strptime], [c], [#include <time.h>], [0, 0, 0])
+AC_FIND_FUNC([strftime], [c], [#include <time.h>], [0, 0, 0, 0])
+AC_FIND_FUNC([timegm], [c], [#include <time.h>], [0])
+AC_FIND_FUNC([gmtime_r], [c], [#include <time.h>], [0, 0])
+AC_FIND_FUNC([gmtime], [c], [#include <time.h>], [0])
+AC_FIND_FUNC([gettimeofday], [c], [#include <time.h>], [0, 0])
+AC_CHECK_MEMBER([struct tm.tm_gmtoff], [AC_DEFINE([HAVE_TM_TM_GMT_OFF],1,[Define to 1 if the system has the tm_gmt_off field in struct tm])],
+                [], [[#include <time.h>]])
+AC_CHECK_MEMBER([struct tm.__tm_gmtoff], [AC_DEFINE([HAVE_TM___TM_GMT_OFF],1,[Define to 1 if the system has the __tm_gmt_off field in struct tm])],
+                [], [[#include <time.h>]])
+
+AC_ARG_ENABLE([pthread-tls],
+              [AC_HELP_STRING([--enable-pthread-tls],
+                              [Enable use of pthread thread local storage])],
+              [],
+              [enable_pthread_tls=no])
+
+if test $enable_pthread_tls = yes; then
+    AC_FIND_FUNC([pthread_key_create], [pthread], [#include <pthread.h>], [NULL, NULL])
+    AC_FIND_FUNC([pthread_once], [pthread], [#include <pthread.h>], [NULL, NULL])
+    AC_FIND_FUNC([atexit], [pthread], [#include <stdlib.h>], [NULL])
+fi
+
+dnl libm math.h functions
+AC_CHECK_MATH_FUNC(acos, [.5])
+AC_CHECK_MATH_FUNC(acosh, [.5])
+AC_CHECK_MATH_FUNC(asin, [.5])
+AC_CHECK_MATH_FUNC(asinh, [.5])
+AC_CHECK_MATH_FUNC(atan, [.5])
+AC_CHECK_MATH_FUNC(atanh, [.5])
+AC_CHECK_MATH_FUNC(cbrt, [.5])
+AC_CHECK_MATH_FUNC(cos, [.5])
+AC_CHECK_MATH_FUNC(cosh, [.5])
+AC_CHECK_MATH_FUNC(exp2, [.5])
+AC_CHECK_MATH_FUNC(exp, [.5])
+AC_CHECK_MATH_FUNC(floor, [.5])
+AC_CHECK_MATH_FUNC(j0, [.5])
+AC_CHECK_MATH_FUNC(j1, [.5])
+AC_CHECK_MATH_FUNC(log10, [.5])
+AC_CHECK_MATH_FUNC(log2, [.5])
+AC_CHECK_MATH_FUNC(log, [.5])
+AC_CHECK_MATH_FUNC(sin, [.5])
+AC_CHECK_MATH_FUNC(sinh, [.5])
+AC_CHECK_MATH_FUNC(sqrt, [.5])
+AC_CHECK_MATH_FUNC(tan, [.5])
+AC_CHECK_MATH_FUNC(tanh, [.5])
+AC_CHECK_MATH_FUNC(tgamma, [.5])
+AC_CHECK_MATH_FUNC(y0, [.5])
+AC_CHECK_MATH_FUNC(y1, [.5])
+AC_CHECK_MATH_FUNC(pow, [2,2])
+AC_CHECK_MATH_FUNC(atan2, [.5,.5])
+AC_CHECK_MATH_FUNC(hypot, [.5,.5])
+AC_CHECK_MATH_FUNC(remainder, [3,2])
+
+dnl Thread local storage
+have___thread=no
+AC_MSG_CHECKING(for thread-local storage)
+AC_LINK_IFELSE([AC_LANG_SOURCE([
+static __thread int x ;
+int main () { x = 123; return x; }
+])], have___thread=yes)
+if test $have___thread = yes; then 
+   AC_DEFINE([HAVE___THREAD],1,[Define to 1 if the system supports __thread])
+fi
+AC_MSG_RESULT($have___thread)
+
+AC_C_BIGENDIAN(
+   AC_DEFINE([IEEE_MC68k], 1, [machine is bigendian]),
+   AC_DEFINE([IEEE_8087], 1, [machine is littleendian]),
+   AC_MSG_ERROR(unknown endianess),
+   AC_MSG_ERROR(universial endianess not supported)
+)
+
+AC_SUBST([BUNDLER], ["$bundle_cmd"])
+
+AC_CONFIG_MACRO_DIR([config/m4])
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
+
+

docs/.gitignore

@@ -0,0 +1,6 @@
+.DS_Store
+.sass-cache
+output/*
+
+# Autogenerated from public/css/base.scss
+public/css/base.css

docs/Gemfile

@@ -0,0 +1,7 @@
+source "https://rubygems.org"
+
+gem "rake"
+gem "bonsai"
+gem "maruku"
+gem "ronn"
+gem "mustache", "<1.0" # to support ruby <2.0

docs/Gemfile.lock

@@ -0,0 +1,63 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activesupport (4.2.3)
+      i18n (~> 0.7)
+      json (~> 1.7, >= 1.7.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.3, >= 0.3.4)
+      tzinfo (~> 1.1)
+    addressable (2.3.8)
+    bonsai (1.4.9)
+      activesupport (>= 3.0.3)
+      builder (>= 3.0.0)
+      i18n (>= 0.5.0)
+      launchy (>= 0.3.7)
+      liquid (>= 2.2.2)
+      maruku (>= 0.6.0)
+      rack
+      sass
+      sinatra (>= 1.0)
+      tilt (>= 1.3)
+      watch (>= 0.1.0)
+      yui-compressor
+    builder (3.2.2)
+    hpricot (0.8.6)
+    i18n (0.7.0)
+    json (1.8.3)
+    launchy (2.4.3)
+      addressable (~> 2.3)
+    liquid (3.0.6)
+    maruku (0.7.2)
+    minitest (5.8.0)
+    mustache (0.99.8)
+    rack (1.6.4)
+    rack-protection (1.5.3)
+      rack
+    rake (10.4.2)
+    rdiscount (2.1.8)
+    ronn (0.7.3)
+      hpricot (>= 0.8.2)
+      mustache (>= 0.7.0)
+      rdiscount (>= 1.5.8)
+    sass (3.4.16)
+    sinatra (1.4.6)
+      rack (~> 1.4)
+      rack-protection (~> 1.4)
+      tilt (>= 1.3, < 3)
+    thread_safe (0.3.5)
+    tilt (2.0.1)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    watch (0.1.0)
+    yui-compressor (0.12.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bonsai
+  maruku
+  mustache (< 1.0)
+  rake
+  ronn

docs/README.md

@@ -0,0 +1,25 @@
+Documentation
+=============
+
+The jq website, manpages and some of the tests are generated from this
+directory. The directory holds a [Bonsai](http://tinytree.info)
+website, and the manual is a YAML file in `content/3.manual`.
+
+To build the documentation (including building the jq manpage), you'll
+need a working Ruby setup. The easiest way to get one is to install
+RVM and Ruby 1.9.3 like so:
+
+    \curl -L https://get.rvm.io | bash -s stable --ruby=1.9.3
+
+After that finishes installing, you'll need to make sure RVM is on
+your path by doing `source $HOME/.rvm/scripts/rvm`, or just opening a
+new shell. See <https://rvm.io> for more info on RVM.
+
+Once RVM is installed, you can install all the dependencies for jq's
+documentation build by running this from the `docs` directory:
+
+    bundle install
+
+When bundle manages to install the dependencies, rerun `./configure`
+in the jq root directory and then the Makefile will be able to
+generate the jq manpage.

docs/Rakefile

@@ -0,0 +1,145 @@
+require 'yaml'
+require 'bonsai'
+require 'liquid'
+require 'maruku'
+require 'json'
+require 'ronn'
+require 'tempfile'
+require 'yaml'
+
+module ExtraFilters
+  def markdownify(input)
+    Maruku.new(input).to_html
+  end
+
+  def sanitize(input)
+    input.gsub(/[^a-zA-Z0-9_]/,"")
+  end
+
+  def json(input)
+    input.to_json
+  end
+  
+  def unique(input)
+    @n = (@n || 0) + 1
+    input + @n.to_s
+  end
+end
+
+Liquid::Template.register_filter(ExtraFilters)
+
+
+task :serve do
+  begin
+    Bonsai.log "Press Control+C to quit"
+    
+    require 'rack'
+    require 'sinatra'
+    require 'watch'
+    require 'launchy'
+    
+    Bonsai.root_dir = Dir.pwd
+    
+    server = fork {        
+      app = Rack::Builder.app {
+        map "/jq" do
+          use Bonsai::StaticPassThrough, :root => Bonsai.root_dir + "/output", :urls => ["/"]
+        end
+        run Bonsai::DevelopmentServer
+      }
+      Rack::Handler.default.run(app, :Port => 5000) do
+        Launchy.open("http://localhost:5000/jq/")
+      end
+    }    
+    Watch.new("{content,templates,public}/**/*") { Bonsai::Exporter.process! }
+  rescue Interrupt
+    Process.kill("QUIT", server)
+    Process.wait(server)
+    exit
+  end
+end
+
+task :build do
+  Bonsai.root_dir = Dir.pwd
+  Bonsai::Exporter.publish!
+end
+
+$BINARIES = {
+  :osx32 => "--host=i686-apple-darwin10 CFLAGS='-m32 -g -O'",
+  :osx64 => "--host=i686-apple-darwin10 CFLAGS='-m64 -g -O'",
+  :win32 => "--host=i686-w64-mingw32 CFLAGS='-g -O'",
+  :win64 => "--host=x86_64-w64-mingw32 CFLAGS='-g -O'",
+  :linux32 => "--host=x86_64-linux-gnu CFLAGS='-m32 -g -O'",
+  :linux64 => "--host=x86_64-linux-gnu CFLAGS='-m64 -g -O'"
+}
+
+$BINARIES.each do |name, args|
+  file "../build/#{name}" do |t|
+    sh "../scripts/crosscompile -j4 #{name} #{args}"
+  end
+  task :binaries => ["../build/#{name}"]
+end
+
+task :binaries => ["output/download"] do
+  $BINARIES.each do |name, args|
+    FileUtils.cp_r "../build/#{name}", "output/download/"
+  end
+end
+
+def load_manual
+  YAML::load(File.open("content/3.manual/manual.yml"))
+end
+
+task :manpage do
+  Tempfile.open "manpage" do |f|
+    manual = load_manual
+    f.puts manual['manpage_intro']
+    f.puts manual['body']
+    manual['sections'].each do |section|
+      
+      f.puts "## #{section['title'].upcase}\n"
+      f.puts section['body']
+      f.puts ""
+      (section['entries'] || []).each do |entry|
+        f.puts "### #{entry['title']}\n"
+        f.puts entry['body']
+        f.puts ""
+        (entry['examples'] || []).each do |example|
+          f.puts "    jq '#{example['program']}'"
+          f.puts "       #{example['input']}"
+          f.puts "    => #{example['output'].join(", ")}"
+          f.puts
+        end
+      end
+      f.puts ""
+    end
+    f.puts manual['manpage_epilogue']
+    f.close
+    puts Ronn::Document.new(f.path).convert('roff').gsub(/<\/?code>/,"")
+  end  
+end
+
+task :manpage_default => ["default_manpage.md"] do
+  puts Ronn::Document.new("default_manpage.md").convert('roff').gsub(/<\/?code>/,"")
+end
+
+task :mantests do
+  load_manual['sections'].each do |section|
+    (section['entries'] || []).each do |entry|
+      (entry['examples'] || []).each do |example|
+        puts example['program'].gsub("\n", " ")
+        puts example['input']
+        example['output'].each do |s| puts s end
+        puts
+      end
+    end
+  end
+end
+
+directory "output/download/source"
+task :tarball => ["output/download/source"] do
+  sh "cd ..; ./configure && make dist && make distclean"
+  sh "cp ../jq-*.tar.gz output/download/source"
+end
+
+task :dist => [:build, :binaries, :tarball]

docs/content/1.tutorial/default.yml

@@ -0,0 +1,327 @@
+headline: Tutorial
+body:
+  - text: |
+
+      GitHub has a JSON API, so let's play with that. This URL gets us the last
+      5 commits from the jq repo.
+
+  - command: "curl 'https://api.github.com/repos/stedolan/jq/commits?per_page=5'"
+    result: |
+      [
+        {
+          "sha": "d25341478381063d1c76e81b3a52e0592a7c997f",
+          "commit": {
+            "author": {
+              "name": "Stephen Dolan",
+              "email": "mu@netsoc.tcd.ie",
+              "date": "2013-06-22T16:30:59Z"
+            },
+            "committer": {
+              "name": "Stephen Dolan",
+              "email": "mu@netsoc.tcd.ie",
+              "date": "2013-06-22T16:30:59Z"
+            },
+            "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+            "tree": {
+              "sha": "6ab697a8dfb5a96e124666bf6d6213822599fb40",
+              "url": "https://api.github.com/repos/stedolan/jq/git/trees/6ab697a8dfb5a96e124666bf6d6213822599fb40"
+            },
+            "url": "https://api.github.com/repos/stedolan/jq/git/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+            "comment_count": 0
+          },
+          "url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+          "html_url": "https://github.com/stedolan/jq/commit/d25341478381063d1c76e81b3a52e0592a7c997f",
+          "comments_url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f/comments",
+          "author": {
+            "login": "stedolan",
+      ...
+
+  - text: |
+
+      GitHub returns nicely formatted JSON. For servers that don't, it can be
+      helpful to pipe the response through jq to pretty-print it. The simplest
+      jq program is the expression `.`, which takes the input and produces it
+      unchanged as output.
+
+  - command: "curl 'https://api.github.com/repos/stedolan/jq/commits?per_page=5' | jq '.'"
+    result: |
+      [
+        {
+          "sha": "d25341478381063d1c76e81b3a52e0592a7c997f",
+          "commit": {
+            "author": {
+              "name": "Stephen Dolan",
+              "email": "mu@netsoc.tcd.ie",
+              "date": "2013-06-22T16:30:59Z"
+            },
+            "committer": {
+              "name": "Stephen Dolan",
+              "email": "mu@netsoc.tcd.ie",
+              "date": "2013-06-22T16:30:59Z"
+            },
+            "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+            "tree": {
+              "sha": "6ab697a8dfb5a96e124666bf6d6213822599fb40",
+              "url": "https://api.github.com/repos/stedolan/jq/git/trees/6ab697a8dfb5a96e124666bf6d6213822599fb40"
+            },
+            "url": "https://api.github.com/repos/stedolan/jq/git/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+            "comment_count": 0
+          },
+          "url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+          "html_url": "https://github.com/stedolan/jq/commit/d25341478381063d1c76e81b3a52e0592a7c997f",
+          "comments_url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f/comments",
+          "author": {
+            "login": "stedolan",
+      ...
+
+  - text: |
+
+      We can use jq to extract just the first commit.
+
+  - command: "curl 'https://api.github.com/repos/stedolan/jq/commits?per_page=5' | jq '.[0]'"
+    result: |
+      {
+        "sha": "d25341478381063d1c76e81b3a52e0592a7c997f",
+        "commit": {
+          "author": {
+            "name": "Stephen Dolan",
+            "email": "mu@netsoc.tcd.ie",
+            "date": "2013-06-22T16:30:59Z"
+          },
+          "committer": {
+            "name": "Stephen Dolan",
+            "email": "mu@netsoc.tcd.ie",
+            "date": "2013-06-22T16:30:59Z"
+          },
+          "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+          "tree": {
+            "sha": "6ab697a8dfb5a96e124666bf6d6213822599fb40",
+            "url": "https://api.github.com/repos/stedolan/jq/git/trees/6ab697a8dfb5a96e124666bf6d6213822599fb40"
+          },
+          "url": "https://api.github.com/repos/stedolan/jq/git/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+          "comment_count": 0
+        },
+        "url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f",
+        "html_url": "https://github.com/stedolan/jq/commit/d25341478381063d1c76e81b3a52e0592a7c997f",
+        "comments_url": "https://api.github.com/repos/stedolan/jq/commits/d25341478381063d1c76e81b3a52e0592a7c997f/comments",
+        "author": {
+          "login": "stedolan",
+          "id": 79765,
+          "avatar_url": "https://avatars.githubusercontent.com/u/79765?v=3",
+          "gravatar_id": "",
+          "url": "https://api.github.com/users/stedolan",
+          "html_url": "https://github.com/stedolan",
+          "followers_url": "https://api.github.com/users/stedolan/followers",
+          "following_url": "https://api.github.com/users/stedolan/following{/other_user}",
+          "gists_url": "https://api.github.com/users/stedolan/gists{/gist_id}",
+          "starred_url": "https://api.github.com/users/stedolan/starred{/owner}{/repo}",
+          "subscriptions_url": "https://api.github.com/users/stedolan/subscriptions",
+          "organizations_url": "https://api.github.com/users/stedolan/orgs",
+          "repos_url": "https://api.github.com/users/stedolan/repos",
+          "events_url": "https://api.github.com/users/stedolan/events{/privacy}",
+          "received_events_url": "https://api.github.com/users/stedolan/received_events",
+          "type": "User",
+          "site_admin": false
+        },
+        "committer": {
+          "login": "stedolan",
+          "id": 79765,
+          "avatar_url": "https://avatars.githubusercontent.com/u/79765?v=3",
+          "gravatar_id": "",
+          "url": "https://api.github.com/users/stedolan",
+          "html_url": "https://github.com/stedolan",
+          "followers_url": "https://api.github.com/users/stedolan/followers",
+          "following_url": "https://api.github.com/users/stedolan/following{/other_user}",
+          "gists_url": "https://api.github.com/users/stedolan/gists{/gist_id}",
+          "starred_url": "https://api.github.com/users/stedolan/starred{/owner}{/repo}",
+          "subscriptions_url": "https://api.github.com/users/stedolan/subscriptions",
+          "organizations_url": "https://api.github.com/users/stedolan/orgs",
+          "repos_url": "https://api.github.com/users/stedolan/repos",
+          "events_url": "https://api.github.com/users/stedolan/events{/privacy}",
+          "received_events_url": "https://api.github.com/users/stedolan/received_events",
+          "type": "User",
+          "site_admin": false
+        },
+        "parents": [
+          {
+            "sha": "54b9c9bdb225af5d886466d72f47eafc51acb4f7",
+            "url": "https://api.github.com/repos/stedolan/jq/commits/54b9c9bdb225af5d886466d72f47eafc51acb4f7",
+            "html_url": "https://github.com/stedolan/jq/commit/54b9c9bdb225af5d886466d72f47eafc51acb4f7"
+          },
+          {
+            "sha": "8b1b503609c161fea4b003a7179b3fbb2dd4345a",
+            "url": "https://api.github.com/repos/stedolan/jq/commits/8b1b503609c161fea4b003a7179b3fbb2dd4345a",
+            "html_url": "https://github.com/stedolan/jq/commit/8b1b503609c161fea4b003a7179b3fbb2dd4345a"
+          }
+        ]
+      }
+
+  - text: |
+
+      For the rest of the examples, I'll leave out the `curl` command - it's not
+      going to change.
+
+      There's a lot of info we don't care about there, so we'll restrict it down
+      to the most interesting fields.
+
+  - command: "jq '.[0] | {message: .commit.message, name: .commit.committer.name}'"
+    result: |
+      {
+        "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+        "name": "Stephen Dolan"
+      }
+
+  - text: |
+
+      The `|` operator in jq feeds the output of one filter (`.[0]` which gets
+      the first element of the array in the response) into the input of another
+      (`{...}` which builds an object out of those fields). You can access
+      nested attributes, such as `.commit.message`.
+
+      Now let's get the rest of the commits.
+
+  - command:  "jq '.[] | {message: .commit.message, name: .commit.committer.name}'"
+    result: |
+      {
+        "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+        "name": "Stephen Dolan"
+      }
+      {
+        "message": "Reject all overlong UTF8 sequences.",
+        "name": "Stephen Dolan"
+      }
+      {
+        "message": "Fix various UTF8 parsing bugs.\n\nIn particular, parse bad UTF8 by replacing the broken bits with U+FFFD\nand resychronise correctly after broken sequences.",
+        "name": "Stephen Dolan"
+      }
+      {
+        "message": "Fix example in manual for `floor`. See #155.",
+        "name": "Stephen Dolan"
+      }
+      {
+        "message": "Document floor",
+        "name": "Nicolas Williams"
+      }
+
+  - text: |
+
+      `.[]` returns each element of the array returned in the response, one at a
+      time, which are all fed into
+      `{message: .commit.message, name: .commit.committer.name}`.
+
+      Data in jq is represented as streams of JSON values - every jq
+      expression runs for each value in its input stream, and can
+      produce any number of values to its output stream.
+
+      Streams are serialised by just separating JSON values with
+      whitespace. This is a `cat`-friendly format - you can just join
+      two JSON streams together and get a valid JSON stream.
+
+      If you want to get the output as a single array, you can tell jq to
+      "collect" all of the answers by wrapping the filter in square
+      brackets:
+
+  - command: "jq '[.[] | {message: .commit.message, name: .commit.committer.name}]'"
+    result: |
+      [
+        {
+          "message": "Merge pull request #163 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+          "name": "Stephen Dolan"
+        },
+        {
+          "message": "Reject all overlong UTF8 sequences.",
+          "name": "Stephen Dolan"
+        },
+        {
+          "message": "Fix various UTF8 parsing bugs.\n\nIn particular, parse bad UTF8 by replacing the broken bits with U+FFFD\nand resychronise correctly after broken sequences.",
+          "name": "Stephen Dolan"
+        },
+        {
+          "message": "Fix example in manual for `floor`. See #155.",
+          "name": "Stephen Dolan"
+        },
+        {
+          "message": "Document floor",
+          "name": "Nicolas Williams"
+        }
+      ]
+
+  - text: |
+
+      - - -
+
+      Next, let's try getting the URLs of the parent commits out of the
+      API results as well. In each commit, the GitHub API includes information
+      about "parent" commits. There can be one or many.
+
+          "parents": [
+            {
+              "sha": "54b9c9bdb225af5d886466d72f47eafc51acb4f7",
+              "url": "https://api.github.com/repos/stedolan/jq/commits/54b9c9bdb225af5d886466d72f47eafc51acb4f7",
+              "html_url": "https://github.com/stedolan/jq/commit/54b9c9bdb225af5d886466d72f47eafc51acb4f7"
+            },
+            {
+              "sha": "8b1b503609c161fea4b003a7179b3fbb2dd4345a",
+              "url": "https://api.github.com/repos/stedolan/jq/commits/8b1b503609c161fea4b003a7179b3fbb2dd4345a",
+              "html_url": "https://github.com/stedolan/jq/commit/8b1b503609c161fea4b003a7179b3fbb2dd4345a"
+            }
+          ]
+
+      We want to pull out all of the "html_url" fields inside that array of parent
+      commits and make a simple list of strings to go along with the
+      "message" and "author" fields we already have.
+
+  - command: "jq '[.[] | {message: .commit.message, name: .commit.committer.name, parents: [.parents[].html_url]}]'"
+    result: |
+      [
+        {
+          "message": "Merge pull request #162 from stedolan/utf8-fixes\n\nUtf8 fixes. Closes #161",
+          "name": "Stephen Dolan",
+          "parents": [
+            "https://github.com/stedolan/jq/commit/54b9c9bdb225af5d886466d72f47eafc51acb4f7",
+            "https://github.com/stedolan/jq/commit/8b1b503609c161fea4b003a7179b3fbb2dd4345a"
+          ]
+        },
+        {
+          "message": "Reject all overlong UTF8 sequences.",
+          "name": "Stephen Dolan",
+          "parents": [
+            "https://github.com/stedolan/jq/commit/ff48bd6ec538b01d1057be8e93b94eef6914e9ef"
+          ]
+        },
+        {
+          "message": "Fix various UTF8 parsing bugs.\n\nIn particular, parse bad UTF8 by replacing the broken bits with U+FFFD\nand resychronise correctly after broken sequences.",
+          "name": "Stephen Dolan",
+          "parents": [
+            "https://github.com/stedolan/jq/commit/54b9c9bdb225af5d886466d72f47eafc51acb4f7"
+          ]
+        },
+        {
+          "message": "Fix example in manual for `floor`. See #155.",
+          "name": "Stephen Dolan",
+          "parents": [
+            "https://github.com/stedolan/jq/commit/3dcdc582ea993afea3f5503a78a77675967ecdfa"
+          ]
+        },
+        {
+          "message": "Document floor",
+          "name": "Nicolas Williams",
+          "parents": [
+            "https://github.com/stedolan/jq/commit/7c4171d414f647ab08bcd20c76a4d8ed68d9c602"
+          ]
+        }
+      ]
+
+  - text: |
+
+      Here we're making an object as before, but this time the `parents`
+      field is being set to `[.parents[].html_url]`, which collects
+      all of the parent commit URLs defined in the parents object.
+
+  - text: |
+
+      - - -
+
+      Here endeth the tutorial! There's lots more to play with. Go
+      read [the manual](../manual/) if you're interested, and [download
+      jq](../download/) if you haven't already.

docs/content/2.download/default.yml

@@ -0,0 +1,117 @@
+headline: Download jq
+body:
+
+  - text: |
+
+      jq is written in C and has no runtime dependencies, so it should be
+      possible to build it for nearly any platform. Prebuilt binaries are
+      available for Linux, OS X and Windows.
+
+      The binaries should just run, but on OS X and Linux you may need
+      to make them executable first using `chmod +x jq`.
+
+      jq is licensed under the MIT license. For all of the gory
+      details, read the file `COPYING` in the source distribution.
+
+
+      ### Linux
+      
+       * jq 1.4 binaries for [64-bit](linux64/jq) or [32-bit](linux32/jq) systems.
+       * jq 1.3 binaries for [64-bit](linux64/jq-1.3/jq) or [32-bit](linux32/jq-1.3/jq) systems.
+
+       * For Arch users, a PKGBUILD for jq-1.1 is in the
+         [AUR](https://aur.archlinux.org/packages.php?ID=63849), as
+         well as a PKGBUILD for the HEAD of master
+         ([jq-git](https://aur.archlinux.org/packages.php?ID=63850)).
+         You can install them using
+         [Yaourt](https://wiki.archlinux.org/index.php/Yaourt) or
+         manually by following instructions on [Arch Linux's
+         Wiki](https://wiki.archlinux.org/index.php/Arch_UseRepository).
+
+       * jq 1.4 is in the official [Debian](https://packages.debian.org/jq) and
+         [Ubuntu](http://packages.ubuntu.com/jq) repositories. Install using
+         `sudo apt-get install jq`.
+
+       * jq 1.4 is [in Debian](http://packages.debian.org/jq)
+
+       * jq 1.3.2 is in the official Fedora repository. You can install using
+         `sudo yum install jq`.
+
+      ### OS X
+
+       * `brew install jq` using [homebrew](http://mxcl.github.com/homebrew/)
+
+       * Or, grab prebuilt jq 1.4 [64-bit binaries](osx64/jq) or [32-bit
+         binaries](osx32/jq)
+
+       * Or, grab prebuilt jq 1.3 [64-bit binaries](osx64/jq-1.3/jq) or [32-bit
+         binaries](osx32/jq-1.3/jq)
+
+      ### Solaris
+
+       * `pkgutil -i jq` in [OpenCSW](http://www.opencsw.org/p/jq) for Solaris 10+, Sparc and x86
+
+       * jq 1.4 executables for Solaris 11 [64-bit](solaris11-64/jq) or [32-bit](solaris11-32/jq)
+
+      ### Windows
+
+       * `chocolatey install jq` using [Chocolatey NuGet](https://chocolatey.org/)
+
+       * jq 1.4 executables for [64-bit](win64/jq.exe) or [32-bit](win32/jq.exe)
+
+       * jq 1.3 executables for [64-bit](win64/jq-1.3/jq-1.3.exe) or [32-bit](win32/jq-1.3/jq-1.3.exe)
+
+      ### From source on Linux, OS X, Cygwin, and other POSIX-like operating systems
+
+       * [Source tarball for jq 1.4](source/jq-1.4.tar.gz)
+
+      You can build it using the usual `./configure && make && sudo
+      make install` rigmarole.
+
+      If you're interested in using the lastest development version, try:
+
+          git clone https://github.com/stedolan/jq.git
+          cd jq
+          autoreconf -i
+          ./configure
+          make
+          sudo make install
+
+      To build it from a git clone, you'll need to install a few
+      packages first:
+
+       * [Flex](http://flex.sourceforge.net/)
+       * [Bison](https://www.gnu.org/software/bison/)
+       * [GCC](https://gcc.gnu.org)
+       * [Make](https://www.gnu.org/software/make/)
+       * [Autotools](https://www.gnu.org/software/automake/)
+
+      For Linux systems, these will all be in your system's package
+      manager, and if you do development on the machine they're most
+      likely already installed.
+
+      On OS X, these are all included in Apple's command line tools, which can
+      be installed from [Xcode](https://developer.apple.com/xcode/). However,
+      you may find that you need a newer version of Bison than the one provided
+      by Apple. This can be found in [Homebrew](http://brew.sh) or
+      [MacPorts](https://macports.org/).
+
+      `flex` and `bison` are used to generate the lexer and parser for
+      jq. For jq 1.5, neither is required if you use `./configure
+      --disable-maintainer-mode` instead of `./configure`. This flag says to use
+      the pre-generated lexer and parser that come with the code.
+   
+      #### Building the documentation
+
+      jq's documentation is compiled into static HTML using
+      [Bonsai](http://www.tinytree.info).  To view the documentation
+      locally, run `rake serve` (or `bundle exec rake serve`) from the
+      docs/ subdirectory.  To build the docs just `rake build` from the
+      docs subdirectory.  You'll need a few Ruby dependencies, which can
+      be installed by following the instructions in `docs/README.md`.
+
+      The man page is built by `make jq.1`, or just `make`, also from
+      the YAML docs, and you'll still need the Ruby dependencies to
+      build the manpage.
+
+

docs/content/index/index.yml

@@ -0,0 +1,51 @@
+headline: jq
+
+blurb: |
+
+  jq is a lightweight and flexible command-line JSON processor.
+
+body1: |
+
+  jq is like `sed` for JSON data - you can use it to slice and filter
+  and map and transform structured data with the same ease that `sed`,
+  `awk`, `grep` and friends let you play with text.
+
+body2: |
+
+  jq is written in portable C, and it has zero runtime
+  dependencies. You can download a single binary, `scp` it to a far away
+  machine of the same type, and expect it to work.
+
+body3: |
+
+  jq can mangle the data format that you have into the one that you
+  want with very little effort, and the program to do so is often
+  shorter and simpler than you'd expect.
+
+tail: |
+
+  Go read the [tutorial](tutorial/) for more, or the [manual](manual/)
+  for *way* more.
+
+  Ask questions on [stackoverflow](https://stackoverflow.com/) using the [jq
+  tag](https://stackoverflow.com/questions/tagged/jq), or on the
+  [#jq](http://irc.lc/freenode/%23jq/) channel on
+  [Freenode](https://webchat.freenode.net/).
+
+news:
+  - date: 2015-01-01
+    body: |
+
+      jq 1.5rc1 Get it on the
+      [releases](https://github.com/stedolan/jq/releases) page.
+
+  - date: 2014-06-08
+    body: |
+
+      jq 1.4 (finally) released! Get it on the [download](download/) page.
+
+  - date: 2013-05-19
+    body: |
+
+      jq 1.3 released.
+

docs/default_manpage.md

@@ -0,0 +1,22 @@
+jq(1) -- Command-line JSON processor
+====================================
+
+## DESCRIPTION
+
+`jq` can transform JSON in various ways, by selecting, iterating,
+reducing and otherwise mangling JSON documents. 
+
+This version of `jq` was built without a manual, so this manpage is a
+stub. For full documentation of the `jq` language, see:
+
+    https://stedolan.github.io/jq
+
+## BUGS
+
+Presumably. Report them or discuss them at:
+
+    https://github.com/stedolan/jq/issues
+
+## AUTHOR
+
+Stephen Dolan `<mu@netsoc.tcd.ie>`

docs/public/.htaccess

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+DirectoryIndex index.html
+FileETag All
+
+# Compress all static assets
+<IfModule mod_deflate.c>
+	# compress content with type html, text, and css
+  AddOutputFilterByType DEFLATE text/css text/html text/javascript application/javascript application/x-javascript text/js text/plain text/xml
+
+	<IfModule mod_headers.c>
+		# properly handle requests coming from behind proxies
+		Header append Vary User-Agent
+	</IfModule>
+</IfModule>
+
+# Cache, aggressively 
+<IfModule mod_expires.c>
+  ExpiresActive On
+  ExpiresDefault "access plus 10 days"
+
+	<FilesMatch "\.(eot|ttf|otf)$">
+		ExpiresDefault "access plus 10 years"
+	</filesMatch>
+</IfModule>
+
+# Mime-types
+AddType application/vnd.ms-fontobject .eot
+AddType font/ttf .ttf
+AddType font/otf .otf

docs/public/bootstrap/css/bootstrap-responsive.min.css

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+/*!
+ * Bootstrap Responsive v2.1.1
+ *
+ * Copyright 2012 Twitter, Inc
+ * Licensed under the Apache License v2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Designed and built with all the love in the world @twitter by @mdo and @fat.
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docs/public/bootstrap/css/bootstrap.min.css

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+/*!
+ * Bootstrap v2.1.1
+ *
+ * Copyright 2012 Twitter, Inc
+ * Licensed under the Apache License v2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Designed and built with all the love in the world @twitter by @mdo and @fat.
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docs/public/bootstrap/js/bootstrap.min.js

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+* Bootstrap.js by @fat & @mdo
+* Copyright 2012 Twitter, Inc.
+* http://www.apache.org/licenses/LICENSE-2.0.txt
+*/
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docs/public/css/base.scss

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+@charset "utf-8";
+body {
+    padding-top: 60px;
+}
+
+footer {
+    background-color: #F5F5F5;
+    padding: 40px 0;
+    height: 100px;
+    margin-top: 40px;
+    color: #999999;
+}
+
+section {
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+}
+
+.manual-example {
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+
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+
+.manual-example td.jqprogram {
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+
+.manual-example th {
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+}
+
+.tutorial-example pre {
+    margin-bottom: 0px;
+}
+
+.tutorial-example a {
+    position: absolute;
+    top: 0px;
+    right: 0px;
+    padding: 15px 8px;
+    color: #777777;
+    font-weight: bold;
+    line-height: 10px;
+    font-size: 12px;
+    border-left: 1px solid #DDDDDD;
+    bottom: 0;
+    display: block;
+}
+
+
+
+#blurb {
+    padding-top: 40px;
+    padding-right: 50px;
+}
+
+#blurb p {
+    font-size: 20pt;
+}
+
+#blurb .btn-group {
+    margin-top: 20px;
+}
+
+#multiblurb {
+    line-height: 1.7;
+    text-align: center;
+    font-size: 12pt;
+}
+
+#multiblurb code {
+    border: 0;
+    font-size: 12pt;
+}
+
+h3 code {
+    border: 0;
+    font-size: 20px;
+}
+
+footer {
+    text-align: center;
+}
+
+#news {
+    font-size: 12pt;
+    .date {
+          font-style: italic;
+    }
+}

docs/public/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Allow: /

docs/site.yml

@@ -0,0 +1,18 @@
+# The key value pairs found below are available within the templates.
+
+:url: http://stedolan.github.io/jq
+
+# This line is modified by the Makefile. To change the version number,
+# edit the Autoconf version number at the top of configure.ac
+jq_version: "1.4-2-g15c4a7f-dirty"
+
+root: '/jq'
+footer: |
+  
+  This website is made with [Bonsai](http://www.tinytree.info) and
+  [Twitter Bootstrap](http://twitter.github.com/bootstrap/), themed
+  with [Bootswatch](http://bootswatch.com).
+
+  jq is licensed under the MIT license (code) and the
+  [CC-BY-3.0](http://creativecommons.org/licenses/by/3.0/) license
+  (docs).

docs/templates/default.liquid

@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="en">
+  {% include "shared/head" %}
+  <body id="{{slug}}">
+    {% include "shared/header" %}	
+    
+    <div class="container">
+        
+      <div class="row">
+        <h1>{{headline}}</h1>
+        {% for item in body %}
+          {% if item.text %}
+            {{ item.text | replace: '$JQ_VERSION', jq_version | markdownify }}
+          {% endif %}
+        
+          {% if item.command %}
+
+        
+            {% capture resultID %}{{ "result" | unique}}{% endcapture %}
+            <div class="tutorial-example">
+              <div class="accordion-heading">
+                <pre>{{item.command}}</pre>
+                <a data-toggle="collapse" href="#{{resultID}}">Show result</a>
+              </div>
+              <div id="{{resultID}}" class="accordion-body collapse"><pre>{{item.result}}</pre></div>
+            </div>
+          {% endif %}
+        {% endfor %}
+      </div>
+    </div>
+    {% include "shared/footer" %}
+    
+  </body>
+</html>

docs/templates/index.liquid

@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html lang="en">
+  {% include "shared/head" %}
+  <body id="{{slug}}">
+    {% include "shared/header" %}	
+    
+    <div class="container">
+      <div class="row">
+        <div class="hero-unit">
+          <img src="{{root}}/jq.png" style="width: 400px; height: 220px; float: left; margin-right: 60px">
+          <div id="blurb">
+            {{blurb | markdownify}}
+
+            <div class="btn-group" style="float:right">
+              <a class="btn btn-primary dropdown-toggle" data-toggle="dropdown" href="#">
+                Download jq-{{jq_version}}
+                <span class="caret"></span>
+              </a>
+              <ul class="dropdown-menu">
+                <li><a href="{{root}}/download/linux64/jq">Linux (64-bit)</a></li>
+                <li><a href="{{root}}/download/osx64/jq">OS X (64-bit)</a></li>
+                <li><a href="{{root}}/download/solaris11-64/jq">Solaris (64-bit)</a></li>
+                <li><a href="{{root}}/download/win64/jq.exe">Windows (64-bit)</a></li>
+                <li><a href="{{root}}/download/">Other platforms, older versions, and source</a></li>
+              </ul>
+            </div>
+
+            <div class="btn-group" style="float:right">
+              <a class="btn btn-primary" href="https://jqplay.org">
+                Try online at jqplay.org!
+              </a>
+            </div>
+
+          </div>
+          <div style="clear:both;"></div>
+        </div>
+      </div>
+        
+      <div class="row" id="multiblurb">
+	<div class="span4">{{body1 | markdownify}}</div>
+        <div class="span4">{{body2 | markdownify}}</div>
+	<div class="span4">{{body3 | markdownify}}</div>        
+      </div>
+      <div class="row" style="text-align:center; margin-top: 30px">
+        {{tail | markdownify}}
+      </div>
+      <div class="row">
+        <h2>News</h2>
+        <div id="news">
+          <ul>
+            {% for item in news %}
+            <li><span class="date">{{ item.date | date: '%m %B %Y' }}</span>{{item.body | markdownify}}</li>
+            {% endfor %}
+          </ul>
+        </div>
+      </div>
+    </div>
+    {% include "shared/footer" %}    
+  </body>
+</html>

docs/templates/manual.liquid

@@ -0,0 +1,122 @@
+<!DOCTYPE html>
+<html lang="en">
+  {% include "shared/head" %}
+  <body id="{{slug}}" data-spy="scroll" data-target="#navcolumn" data-offset="100">
+    {% include "shared/header" %}
+    <div class="container">
+      <div class="row">
+        <div class="span3" id="navcolumn">
+          <div class="affix">
+          <h4>Contents</h4>
+          <ul class="nav nav-pills nav-stacked">
+            {% for section in sections %}
+              <li {% if forloop.first %} class="active" {% endif %}>
+                <a href="#{{section.title | sanitize}}">{{section.title}}</a>
+              </li>
+            {% endfor %}
+          </ul>
+          <form class="form-search">
+            <script type="text/javascript">
+              var section_map = {
+                {% for section in sections %}
+                  {% for entry in section.entries %}
+                    {{entry.title | json}} : {{entry.title | sanitize | json}},
+                  {% endfor %}
+                  {{section.title | json}} : {{section.title | sanitize | json}}
+                  {% unless forloop.last %},{% endunless %}
+                {% endfor %}
+              };
+              var section_names = $.map(section_map, function(v,k){return k});
+              $(function(){
+                $('#searchbox').typeahead({source: section_names})
+                $('#searchbox').change(function() {
+                  if ($(this).val() in section_map) {
+                    location.hash = '#' + section_map[$(this).val()];
+                  }
+                });
+              });
+              // add "Run" button to execute examples on jqplay.org
+              $(function() {
+                $.each($('table.manual-example'), function(index, value) {
+                  $value = $(value)
+                  var j = $value.find('tr:nth-child(2) td:first').text();
+                  var q = $value.find('.jqprogram').text().replace(/^jq /, '').replace(/^'(.+)'$/, '$1');
+                  var url = 'https://jqplay.org/jq?q=' + encodeURIComponent(q) +'&j=' + encodeURIComponent(j)
+                  var $last_tr = $value.find('tr:last');
+                  $last_tr.after('<tr><th><a href="' + url + '" class="btn btn-primary btn-small">Run</a></th><th></th></tr><tr><th></th><th></th></tr>');
+                });
+              });
+            </script>
+            <input type="text"
+                   class="input-medium search-query"
+                   placeholder="Search"
+                   autocomplete="off"
+                   id="searchbox">
+          </form>
+          </div>
+        </div>
+        <div class="span9">
+          <h1>{{headline}}</h1>
+          {{ history | markdownify }}
+          {{ body | markdownify }}
+          {% for section in sections %}
+            <section id="{{section.title | sanitize}}">
+              <h2>{{section.title}}</h2>
+              {{section.body | markdownify}}
+              {% for entry in section.entries %}
+                <section id="{{entry.title | sanitize}}">
+                <h3>
+                  {{entry.title | markdownify}}
+                  {% if entry.subtitle %}<small>{{entry.subtitle}}</small>{% endif %}
+                </h3>
+                {{entry.body | markdownify}}
+
+                {% if entry.examples %}
+                  <div>
+                    {% capture exampleID %}{{ "" | unique }}{% endcapture %}
+                    <a data-toggle="collapse" href="#example{{exampleID}}">
+                      <i class="icon-chevron-right"></i>
+                      {% if entry.examples[1] %}Examples{%else%}Example{%endif%}
+                    </a>
+                    <div id="example{{exampleID}}" class="collapse">
+                      
+                    {% for example in entry.examples %}
+                      <table class="manual-example">
+                        <tr><th></th><td class="jqprogram">jq '{{example.program | escape}}'</td></tr>
+                        <tr><th>Input</th><td>{{example.input | escape}}</td></tr>
+                        {% unless example.output[0] %}
+                          <tr>
+                            <th>Output</th>
+                            <td><i>none</i></td>
+                          </tr>
+                        {% endunless %}
+                        {% for output in example.output %}
+                          <tr>
+                            {% if forloop.index == 1 %}
+                              <th>Output</th>
+                            {% else %}
+                              <th></th>
+                            {% endif %}
+                            <td>{{output | escape}}</td>
+                          </tr>
+                        {% endfor %}
+                        
+                      </table>
+                    {% endfor %}
+                    </div>
+                  </div>
+                 {% endif %}
+                 </section>
+              {% endfor %}
+            </section>
+          {% endfor %}
+        </div>
+      </div>
+      
+
+    </div>
+      {% include "shared/footer" %}    
+  </body>
+
+
+</html>

docs/templates/shared/_footer.liquid

@@ -0,0 +1,5 @@
+<footer>
+  <div class="container">
+    {{ footer | markdownify }}
+  </div>
+</footer>

docs/templates/shared/_head.liquid

@@ -0,0 +1,12 @@
+<head>
+  <meta charset=UTF-8>
+  <title>{{headline}}</title>
+  <link rel="stylesheet" href="{{root}}/bootstrap/css/bootstrap.css" type="text/css">
+  <link rel="stylesheet" href="{{root}}/css/base.css" type="text/css">
+  <!--[if IE]>
+    <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
+  <![endif]-->
+  <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.1/jquery.min.js"></script>
+  <script src="{{root}}/bootstrap/js/bootstrap.js"></script>
+
+</head>

docs/templates/shared/_header.liquid

@@ -0,0 +1,26 @@
+
+<div class="navbar navbar-inverse navbar-fixed-top">
+  <div class="navbar-inner">
+    <div class="container">
+      <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+        <span class="icon-bar"></span>
+      </button>
+      <a class="brand" href="{{root}}/">jq</a>
+      <div class="nav-collapse collapse">
+        <ul class="nav">
+          {% for item in navigation %}
+            <li {% if item.permalink == permalink %} class="active" {% endif %}>
+              <a href="{{root}}{{item.permalink}}">{{item.name}}</a>
+            </li>
+          {% endfor %}
+          <li><a href="https://github.com/stedolan/jq/issues">Issues</a></li>
+          <li><a href="https://github.com/stedolan/jq">Source</a></li>
+          <li><a href="https://jqplay.org">Try online!</a></li>
+          <li><a href="https://raw.githubusercontent.com/stedolan/jq/master/NEWS">News</a></li>
+        </ul>
+      </div>
+    </div>
+  </div>
+</div>

exec_stack.h

@@ -0,0 +1,112 @@
+#ifndef EXEC_STACK_H
+#define EXEC_STACK_H
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "jv_alloc.h"
+
+/*
+ * The stack is a directed forest of variably sized blocks. Each block has a
+ * "next" block which is at a higher memory address, or 0 if the block has no
+ * "next" block. More than one block may have no "next" block. A block may be
+ * the "next" block of more than one other block. Pushed blocks are added at
+ * the low-address end of the stack.
+ *
+ * Stack pointers are negative integers that are offsets relative to "mem_end",
+ * the end of the allocated region. The stack "bound" is the stack pointer of
+ * the last block that would be able to fit in the currently allocated region.
+ * The stack "limit" is the stack pointer of the last block currently in the
+ * stack. The stack pointer of the "next" block is stored directly below each
+ * block.
+ *
+ *                      <- mem_end = 0x100
+ * 0xF8  +------------+
+ * 0xF0  |            |
+ * 0xE8  +------------+ <- stack_ptr1 = -0x18
+ * 0xE0  next = 0
+ * 0xD8  +------------+
+ * 0xD0  |            |
+ * 0xC8  |            |
+ * 0xC0  +------------+ <- stack_ptr2 = limit = -0x40
+ * 0xB8  next = -0x18
+ * 0xB0
+ * 0xA8                 <- bound = -0x58
+ * 0xA0
+ */
+
+struct determine_alignment {
+  char x;
+  union { int i; double d; uint64_t u64; size_t sz; void* ptr; } u;
+};
+enum {ALIGNMENT = offsetof(struct determine_alignment, u)};
+
+static size_t align_round_up(size_t sz) {
+  return ((sz + (ALIGNMENT - 1)) / ALIGNMENT) * ALIGNMENT;
+}
+
+typedef int stack_ptr;
+
+struct stack {
+  char* mem_end; // one-past-the-end of allocated region
+  stack_ptr bound;
+  stack_ptr limit; // 0 - stack is empty
+};
+
+static void stack_init(struct stack* s) {
+  s->mem_end = 0;
+  s->bound = ALIGNMENT;
+  s->limit = 0;
+}
+
+static void stack_reset(struct stack* s) {
+  assert(s->limit == 0 && "stack freed while not empty");
+  char* mem_start = s->mem_end - ( -s->bound + ALIGNMENT);
+  free(mem_start);
+  stack_init(s);
+}
+
+static int stack_pop_will_free(struct stack* s, stack_ptr p) {
+  return p == s->limit;
+}
+
+static void* stack_block(struct stack* s, stack_ptr p) {
+  return (void*)(s->mem_end + p);
+}
+
+static stack_ptr* stack_block_next(struct stack* s, stack_ptr p) {
+  return &((stack_ptr*)stack_block(s, p))[-1];
+}
+
+static void stack_reallocate(struct stack* s, size_t sz) {
+  int old_mem_length = -(s->bound) + ALIGNMENT;
+  char* old_mem_start = s->mem_end - old_mem_length;
+
+  int new_mem_length = align_round_up((old_mem_length + sz + 256) * 2);
+  char* new_mem_start = jv_mem_realloc(old_mem_start, new_mem_length);
+  memmove(new_mem_start + (new_mem_length - old_mem_length),
+            new_mem_start, old_mem_length);
+  s->mem_end = new_mem_start + new_mem_length;
+  s->bound = -(new_mem_length - ALIGNMENT);
+}
+
+static stack_ptr stack_push_block(struct stack* s, stack_ptr p, size_t sz) {
+  int alloc_sz = align_round_up(sz) + ALIGNMENT;
+  stack_ptr r = s->limit - alloc_sz;
+  if (r < s->bound) {
+    stack_reallocate(s, alloc_sz);
+  }
+  s->limit = r;
+  *stack_block_next(s, r) = p;
+  return r;
+}
+
+static stack_ptr stack_pop_block(struct stack* s, stack_ptr p, size_t sz) {
+  stack_ptr r = *stack_block_next(s, p);
+  if (p == s->limit) {
+    int alloc_sz = align_round_up(sz) + ALIGNMENT;
+    s->limit += alloc_sz;
+  }
+  return r;
+}
+#endif

inject_errors.c

@@ -0,0 +1,112 @@
+
+#define _GNU_SOURCE /* for RTLD_NEXT */
+#include <assert.h>
+#include <dlfcn.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static FILE *fail;
+static FILE *fail_read;
+static FILE *fail_write;
+static FILE *fail_close;
+static int error;
+
+static FILE * (*real_fopen)(const char *, const char *);
+static int           (*real_fclose)(FILE *);
+static int           (*real_ferror)(FILE *);
+static void          (*real_clearerr)(FILE *);
+static char *        (*real_fgets)(char *, int, FILE *);
+static size_t        (*real_fread)(void *, size_t, size_t, FILE *);
+static size_t        (*real_fwrite)(const void *, size_t, size_t, FILE *);
+
+#define GET_REAL(sym)                         \
+  do {                                        \
+    if (real_ ## sym == 0) {                  \
+      real_ ## sym = dlsym(RTLD_NEXT, #sym);  \
+      assert(real_ ## sym != 0);              \
+    }                                         \
+  } while (0)
+
+#define dbg_write(msg) (void)write(2, msg, sizeof(msg) - 1)
+
+#define dbg() \
+  do {                                      \
+    dbg_write("here: ");                    \
+    dbg_write(__func__);                    \
+    dbg_write("!\n");                       \
+  } while (0)
+
+FILE *fopen(const char *path, const char *mode) {
+  GET_REAL(fopen);
+  fail = fail_read = fail_write = fail_close = 0;
+  FILE *f = real_fopen(path, mode);
+  error = EIO;
+  if (strcmp(path, "fail_read") == 0) {
+    fail = fail_read = f;
+  } else if (strncmp(path, "fail_write", sizeof("fail_write") - 1) == 0) {
+    // Not that jq opens files for write anyways...
+    fail = fail_write = f;
+    if (strcmp(path, "fail_write_enospc") == 0)
+      error = ENOSPC;
+  } else if (strncmp(path, "fail_close", sizeof("fail_close") - 1) == 0) {
+    fail = fail_close = f;
+    if (strcmp(path, "fail_close_enospc") == 0)
+      error = ENOSPC;
+  }
+  return f;
+}
+
+int fclose(FILE *f) {
+  GET_REAL(fclose);
+  int res = real_fclose(f);
+  if (fail_close == f) {
+    fail = fail_read = fail_write = fail_close = 0;
+    return EOF;
+  }
+  return res;
+}
+
+char * fgets(char *buf, int len, FILE *f) {
+  GET_REAL(fgets);
+  char *res = real_fgets(buf, len, f);
+  if (fail_read == f)
+    return 0;
+  return res;
+}
+
+size_t fread(void *buf, size_t sz, size_t nemb, FILE *f) {
+  GET_REAL(fread);
+  size_t res = real_fread(buf, sz, nemb, f);
+  if (fail_read == f)
+    return 0;
+  return res;
+}
+
+size_t fwrite(const void *buf, size_t sz, size_t nemb, FILE *f) {
+  GET_REAL(fwrite);
+  size_t res = real_fwrite(buf, sz, nemb, f);
+  if (fail_write == f)
+    return 0;
+  return res;
+}
+
+int ferror(FILE *f) {
+  GET_REAL(ferror);
+  int res = real_ferror(f);
+  if (fail == f) {
+    errno = error;
+    return 1;
+  }
+  return res;
+}
+
+void clearerr(FILE *f) {
+  GET_REAL(clearerr);
+  real_clearerr(f);
+  if (fail == f) {
+    fail = fail_read = fail_write = fail_close = 0;
+    error = 0;
+  }
+}

jq.1.default

@@ -0,0 +1,39 @@
+.\" generated with Ronn/v0.7.3
+.\" http://github.com/rtomayko/ronn/tree/0.7.3
+.
+.TH "JQ" "1" "August 2015" "" ""
+.
+.SH "NAME"
+\fBjq\fR \- Command\-line JSON processor
+.
+.SH "DESCRIPTION"
+\fBjq\fR can transform JSON in various ways, by selecting, iterating, reducing and otherwise mangling JSON documents\.
+.
+.P
+This version of \fBjq\fR was built without a manual, so this manpage is a stub\. For full documentation of the \fBjq\fR language, see:
+.
+.IP "" 4
+.
+.nf
+
+https://stedolan\.github\.io/jq
+.
+.fi
+.
+.IP "" 0
+.
+.SH "BUGS"
+Presumably\. Report them or discuss them at:
+.
+.IP "" 4
+.
+.nf
+
+https://github\.com/stedolan/jq/issues
+.
+.fi
+.
+.IP "" 0
+.
+.SH "AUTHOR"
+Stephen Dolan \fB<mu@netsoc\.tcd\.ie>\fR

jq.h

@@ -0,0 +1,60 @@
+#ifndef JQ_H
+#define JQ_H
+
+#include <stdio.h>
+#include <jv.h>
+
+enum {JQ_DEBUG_TRACE = 1};
+
+typedef struct jq_state jq_state;
+typedef void (*jq_msg_cb)(void *, jv);
+
+jq_state *jq_init(void);
+void jq_set_error_cb(jq_state *, jq_msg_cb, void *);
+void jq_get_error_cb(jq_state *, jq_msg_cb *, void **);
+void jq_set_nomem_handler(jq_state *, void (*)(void *), void *);
+jv jq_format_error(jv msg);
+void jq_report_error(jq_state *, jv);
+int jq_compile(jq_state *, const char*);
+int jq_compile_args(jq_state *, const char*, jv);
+void jq_dump_disassembly(jq_state *, int);
+void jq_start(jq_state *, jv value, int);
+jv jq_next(jq_state *);
+void jq_teardown(jq_state **);
+
+typedef jv (*jq_input_cb)(jq_state *, void *);
+void jq_set_input_cb(jq_state *, jq_input_cb, void *);
+void jq_get_input_cb(jq_state *, jq_input_cb *, void **);
+
+void jq_set_debug_cb(jq_state *, jq_msg_cb, void *);
+void jq_get_debug_cb(jq_state *, jq_msg_cb *, void **);
+
+void jq_set_attrs(jq_state *, jv);
+jv jq_get_attrs(jq_state *);
+jv jq_get_jq_origin(jq_state *);
+jv jq_get_prog_origin(jq_state *);
+jv jq_get_lib_dirs(jq_state *);
+void jq_set_attr(jq_state *, jv, jv);
+jv jq_get_attr(jq_state *, jv);
+
+/*
+ * We use char * instead of jf for filenames here because filenames
+ * should be in the process' locale's codeset, which may not be UTF-8,
+ * whereas jv string values must be in UTF-8.  This way the caller
+ * doesn't have to perform any codeset conversions.
+ */
+typedef struct jq_util_input_state jq_util_input_state;
+typedef void (*jq_util_msg_cb)(void *, const char *);
+
+jq_util_input_state *jq_util_input_init(jq_util_msg_cb, void *);
+void jq_util_input_set_parser(jq_util_input_state *, jv_parser *, int);
+void jq_util_input_free(jq_util_input_state **);
+void jq_util_input_add_input(jq_util_input_state *, const char *);
+int jq_util_input_errors(jq_util_input_state *);
+jv jq_util_input_next_input(jq_util_input_state *);
+jv jq_util_input_next_input_cb(jq_state *, void *);
+jv jq_util_input_get_position(jq_state*);
+jv jq_util_input_get_current_filename(jq_state*);
+jv jq_util_input_get_current_line(jq_state*);
+
+#endif /* !JQ_H */

jq.spec

@@ -0,0 +1,70 @@
+# This is spec file maintained by developers of JQ, not by a OS distro.
+# Your OS of choice will likely ignore this RPM spec file.
+Summary: Command-line JSON processor
+Name: jq
+Version: %{myver}
+Release: %{myrel}%{?dist}
+Source0: jq-%{myver}.tar.gz
+URL: https://stedolan.github.io/jq
+License: BSD
+AutoReqProv: no
+#BuildPrereq: autoconf, libtool, automake, flex, bison, python
+
+Group: Applications/System
+# Requires:
+
+# Disables debug packages and stripping of binaries:
+%global _enable_debug_package 0
+%global debug_package %{nil}
+%global __os_install_post %{nil}
+
+# Crank up the compression
+%define _binary_payload w7.lzdio
+
+%description
+jq is a command-line JSON processor
+
+%prep
+%setup
+
+%build
+echo "Building in: \"$(pwd)\""
+%if "%{devbuild}" == "yes"
+./configure --prefix=%{_prefix} --enable-devel
+%else
+./configure --prefix=%{_prefix}
+%endif
+make
+
+%install
+echo "Installing to: \"%{buildroot}\""
+make install DESTDIR=%{buildroot}
+
+%clean
+rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root)
+%{_bindir}/jq
+%if "%{devbuild}" == "yes"
+%{_libexecdir}/%{name}/jq_test
+%{_libexecdir}/%{name}/testdata
+%endif
+%{_datadir}/doc/%{name}/AUTHORS
+%{_datadir}/doc/%{name}/COPYING
+%{_datadir}/doc/%{name}/README
+%{_datadir}/doc/%{name}/README.md
+%{_datadir}/man/man1/jq.1
+%{_includedir}/jq.h
+%{_includedir}/jv.h
+%{_prefix}/lib/libjq.a
+%{_prefix}/lib/libjq.la
+%{_prefix}/lib/libjq.so
+%{_prefix}/lib/libjq.so.1
+%{_prefix}/lib/libjq.so.1.0.4
+
+%changelog
+
+%pre
+
+%post

jq_parser.h

@@ -0,0 +1,9 @@
+#ifndef JQ_PARSER_H
+#define JQ_PARSER_H
+#include "locfile.h"
+#include "compile.h"
+
+int jq_parse(struct locfile* source, block* answer);
+int jq_parse_library(struct locfile* locations, block* answer);
+
+#endif

jq_test.c

@@ -0,0 +1,346 @@
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "jv.h"
+#include "jq.h"
+
+static void jv_test();
+static void run_jq_tests(jv, int, FILE *);
+
+
+int jq_testsuite(jv libdirs, int verbose, int argc, char* argv[]) {
+  FILE *testdata = stdin;
+  jv_test();
+  if (argc > 0) {
+    testdata = fopen(argv[0], "r");
+    if (!testdata) {
+      perror("fopen");
+      exit(1);
+    }
+  }
+  run_jq_tests(libdirs, verbose, testdata);
+  return 0;
+}
+
+static int skipline(const char* buf) {
+  int p = 0;
+  while (buf[p] == ' ' || buf[p] == '\t') p++;
+  if (buf[p] == '#' || buf[p] == '\n' || buf[p] == 0) return 1;
+  return 0;
+}
+
+static int checkerrormsg(const char* buf) {
+  return strcmp(buf, "%%FAIL\n") == 0;
+}
+
+static int checkfail(const char* buf) {
+  return strcmp(buf, "%%FAIL\n") == 0 || strcmp(buf, "%%FAIL IGNORE MSG\n") == 0;
+}
+
+struct err_data {
+  char buf[4096];
+};
+
+static void test_err_cb(void *data, jv e) {
+  struct err_data *err_data = data;
+  if (jv_get_kind(e) != JV_KIND_STRING)
+    e = jv_dump_string(e, JV_PRINT_INVALID);
+  if (!strncmp(jv_string_value(e), "jq: error", sizeof("jq: error") - 1))
+    snprintf(err_data->buf, sizeof(err_data->buf), "%s", jv_string_value(e));
+  if (strchr(err_data->buf, '\n'))
+    *(strchr(err_data->buf, '\n')) = '\0';
+  jv_free(e);
+}
+
+static void run_jq_tests(jv lib_dirs, int verbose, FILE *testdata) {
+  char prog[4096];
+  char buf[4096];
+  struct err_data err_msg;
+  int tests = 0, passed = 0, invalid = 0;
+  unsigned int lineno = 0;
+  int must_fail = 0;
+  int check_msg = 0;
+  jq_state *jq = NULL;
+
+  jq = jq_init();
+  assert(jq);
+  if (jv_get_kind(lib_dirs) == JV_KIND_NULL)
+    lib_dirs = jv_array();
+  jq_set_attr(jq, jv_string("JQ_LIBRARY_PATH"), lib_dirs);
+
+  while (1) {
+    if (!fgets(prog, sizeof(prog), testdata)) break;
+    lineno++;
+    if (skipline(prog)) continue;
+    if (checkfail(prog)) {
+      must_fail = 1;
+      check_msg = checkerrormsg(prog);
+      jq_set_error_cb(jq, test_err_cb, &err_msg);
+      continue;
+    }
+    if (prog[strlen(prog)-1] == '\n') prog[strlen(prog)-1] = 0;
+    printf("Testing '%s' at line number %u\n", prog, lineno);
+    int pass = 1;
+    tests++;
+    int compiled = jq_compile(jq, prog);
+
+    if (must_fail) {
+      jq_set_error_cb(jq, NULL, NULL);
+      if (!fgets(buf, sizeof(buf), testdata)) { invalid++; break; }
+      lineno++;
+      if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
+      if (compiled) {
+        printf("*** Test program compiled that should not have at line %u: %s\n", lineno, prog);
+        must_fail = 0;
+        check_msg = 0;
+        invalid++;
+        continue;
+      }
+      if (check_msg && strcmp(buf, err_msg.buf) != 0) {
+        printf("*** Erroneous test program failed with wrong message (%s) at line %u: %s\n", err_msg.buf, lineno, prog);
+        invalid++;
+      } else {
+        passed++;
+      }
+      must_fail = 0;
+      check_msg = 0;
+      continue;
+    }
+
+    if (!compiled) {
+      printf("*** Test program failed to compile at line %u: %s\n", lineno, prog);
+      invalid++;
+      // skip past test data
+      while (fgets(buf, sizeof(buf), testdata)) {
+        lineno++;
+        if (buf[0] == '\n' || (buf[0] == '\r' && buf[1] == '\n'))
+          break;
+      }
+      continue;
+    }
+    if (verbose) {
+      printf("Disassembly:\n");
+      jq_dump_disassembly(jq, 2);
+      printf("\n");
+    }
+    if (!fgets(buf, sizeof(buf), testdata)) { invalid++; break; }
+    lineno++;
+    jv input = jv_parse(buf);
+    if (!jv_is_valid(input)) {
+      printf("*** Input is invalid on line %u: %s\n", lineno, buf);
+      invalid++;
+      continue;
+    }
+    jq_start(jq, input, verbose ? JQ_DEBUG_TRACE : 0);
+
+    while (fgets(buf, sizeof(buf), testdata)) {
+      lineno++;
+      if (skipline(buf)) break;
+      jv expected = jv_parse(buf);
+      if (!jv_is_valid(expected)) {
+        printf("*** Expected result is invalid on line %u: %s\n", lineno, buf);
+        invalid++;
+        continue;
+      }
+      jv actual = jq_next(jq);
+      if (!jv_is_valid(actual)) {
+        jv_free(actual);
+        printf("*** Insufficient results for test at line number %u: %s\n", lineno, prog);
+        pass = 0;
+        break;
+      } else if (!jv_equal(jv_copy(expected), jv_copy(actual))) {
+        printf("*** Expected ");
+        jv_dump(jv_copy(expected), 0);
+        printf(", but got ");
+        jv_dump(jv_copy(actual), 0);
+        printf(" for test at line number %u: %s\n", lineno, prog);
+        pass = 0;
+      }
+      jv as_string = jv_dump_string(jv_copy(expected), rand() & ~(JV_PRINT_COLOUR|JV_PRINT_REFCOUNT));
+      jv reparsed = jv_parse_sized(jv_string_value(as_string), jv_string_length_bytes(jv_copy(as_string)));
+      assert(jv_equal(jv_copy(expected), jv_copy(reparsed)));
+      jv_free(as_string);
+      jv_free(reparsed);
+      jv_free(expected);
+      jv_free(actual);
+    }
+    if (pass) {
+      jv extra = jq_next(jq);
+      if (jv_is_valid(extra)) {
+        printf("*** Superfluous result: ");
+        jv_dump(extra, 0);
+        printf(" for test at line number %u, %s\n", lineno, prog);
+        pass = 0;
+      } else {
+        jv_free(extra);
+      }
+    }
+    passed+=pass;
+  }
+  jq_teardown(&jq);
+  printf("%d of %d tests passed (%d malformed)\n", passed,tests,invalid);
+  if (passed != tests) exit(1);
+}
+
+
+static void jv_test() {
+  /// JSON parser regression tests
+  {
+    jv v = jv_parse("{\"a':\"12\"}");
+    assert(jv_get_kind(v) == JV_KIND_INVALID);
+    v = jv_invalid_get_msg(v);
+    assert(strcmp(jv_string_value(v), "Expected separator between values at line 1, column 9 (while parsing '{\"a':\"12\"}')") == 0);
+    jv_free(v);
+  }
+  /// Arrays and numbers
+  {
+    jv a = jv_array();
+    assert(jv_get_kind(a) == JV_KIND_ARRAY);
+    assert(jv_array_length(jv_copy(a)) == 0);
+    assert(jv_array_length(jv_copy(a)) == 0);
+
+    a = jv_array_append(a, jv_number(42));
+    assert(jv_array_length(jv_copy(a)) == 1);
+    assert(jv_number_value(jv_array_get(jv_copy(a), 0)) == 42);
+
+    jv a2 = jv_array_append(jv_array(), jv_number(42));
+    assert(jv_equal(jv_copy(a), jv_copy(a)));
+    assert(jv_equal(jv_copy(a2), jv_copy(a2)));
+    assert(jv_equal(jv_copy(a), jv_copy(a2)));
+    assert(jv_equal(jv_copy(a2), jv_copy(a)));
+    jv_free(a2);
+
+    a2 = jv_array_append(jv_array(), jv_number(19));
+    assert(!jv_equal(jv_copy(a), jv_copy(a2)));
+    assert(!jv_equal(jv_copy(a2), jv_copy(a)));
+    jv_free(a2);
+
+
+    assert(jv_get_refcnt(a) == 1);
+    a = jv_array_append(a, jv_copy(a));
+    assert(jv_get_refcnt(a) == 1);
+
+    assert(jv_array_length(jv_copy(a)) == 2);
+    assert(jv_number_value(jv_array_get(jv_copy(a), 0)) == 42);
+
+    for (int i=0; i<10; i++) {
+      jv subarray = jv_array_get(jv_copy(a), 1);
+      assert(jv_get_kind(subarray) == JV_KIND_ARRAY);
+      assert(jv_array_length(jv_copy(subarray)) == 1);
+      assert(jv_number_value(jv_array_get(jv_copy(subarray), 0)) == 42);
+      jv_free(subarray);
+    }
+
+
+    jv subarray = jv_array_get(jv_copy(a), 1);
+    assert(jv_get_kind(subarray) == JV_KIND_ARRAY);
+    assert(jv_array_length(jv_copy(subarray)) == 1);
+    assert(jv_number_value(jv_array_get(jv_copy(subarray), 0)) == 42);
+
+    jv sub2 = jv_copy(subarray);
+    sub2 = jv_array_append(sub2, jv_number(19));
+
+    assert(jv_get_kind(sub2) == JV_KIND_ARRAY);
+    assert(jv_array_length(jv_copy(sub2)) == 2);
+    assert(jv_number_value(jv_array_get(jv_copy(sub2), 0)) == 42);
+    assert(jv_number_value(jv_array_get(jv_copy(sub2), 1)) == 19);
+
+    assert(jv_get_kind(subarray) == JV_KIND_ARRAY);
+    assert(jv_array_length(jv_copy(subarray)) == 1);
+    assert(jv_number_value(jv_array_get(jv_copy(subarray), 0)) == 42);
+
+    jv_free(subarray);
+
+    void* before = sub2.u.ptr;
+    sub2 = jv_array_append(sub2, jv_number(200));
+    void* after = sub2.u.ptr;
+    assert(before == after);
+    jv_free(sub2);
+
+    jv a3 = jv_array_append(jv_copy(a), jv_number(19));
+    assert(jv_array_length(jv_copy(a3)) == 3);
+    assert(jv_number_value(jv_array_get(jv_copy(a3), 0)) == 42);
+    assert(jv_array_length(jv_array_get(jv_copy(a3), 1)) == 1);
+    assert(jv_number_value(jv_array_get(jv_copy(a3), 2)) == 19);
+    jv_free(a3);
+
+
+    jv a4 = jv_array();
+    a4 = jv_array_append(a4, jv_number(1));
+    a4 = jv_array_append(a4, jv_number(2));
+    jv a5 = jv_copy(a4);
+    a4 = jv_array_append(a4, jv_number(3));
+    a4 = jv_array_slice(a4, 0, 1);
+    assert(jv_array_length(jv_copy(a4)) == 1);
+    a4 = jv_array_append(a4, jv_number(4));
+    assert(jv_array_length(jv_copy(a4)) == 2);
+    assert(jv_array_length(jv_copy(a5)) == 2);
+    jv_free(a4);
+    jv_free(a5);
+
+
+    assert(jv_array_length(jv_copy(a)) == 2);
+    assert(jv_number_value(jv_array_get(jv_copy(a), 0)) == 42);
+    assert(jv_array_length(jv_array_get(jv_copy(a), 1)) == 1);
+
+
+    //jv_dump(jv_copy(a), 0); printf("\n");
+    jv_free(a);
+  }
+
+
+  /// Strings
+  {
+    assert(jv_equal(jv_string("foo"), jv_string_sized("foo", 3)));
+    char nasty[] = "foo\0";
+    jv shortstr = jv_string(nasty), longstr = jv_string_sized(nasty, sizeof(nasty));
+    assert(jv_string_length_bytes(jv_copy(shortstr)) == (int)strlen(nasty));
+    assert(jv_string_length_bytes(jv_copy(longstr)) == (int)sizeof(nasty));
+    jv_free(shortstr);
+    jv_free(longstr);
+
+
+    char a1s[] = "hello", a2s[] = "hello", bs[] = "goodbye";
+    jv a1 = jv_string(a1s), a2 = jv_string(a2s), b = jv_string(bs);
+    assert(jv_equal(jv_copy(a1), jv_copy(a2)));
+    assert(jv_equal(jv_copy(a2), jv_copy(a1)));
+    assert(!jv_equal(jv_copy(a1), jv_copy(b)));
+
+    assert(jv_string_hash(jv_copy(a1)) == jv_string_hash(jv_copy(a1)));
+    assert(jv_string_hash(jv_copy(a1)) == jv_string_hash(jv_copy(a2)));
+    assert(jv_string_hash(jv_copy(b)) != jv_string_hash(jv_copy(a1)));
+    jv_free(a1);
+    jv_free(a2);
+    jv_free(b);
+
+    assert(jv_equal(jv_string("hello42!"), jv_string_fmt("hello%d%s", 42, "!")));
+    char big[20000];
+    for (int i=0; i<(int)sizeof(big); i++) big[i] = 'a';
+    big[sizeof(big)-1] = 0;
+    jv str = jv_string_fmt("%s", big);
+    assert(jv_string_length_bytes(jv_copy(str)) == sizeof(big) - 1);
+    assert(!strcmp(big, jv_string_value(str)));
+    jv_free(str);
+  }
+
+  /// Objects
+  {
+    jv o1 = jv_object();
+    o1 = jv_object_set(o1, jv_string("foo"), jv_number(42));
+    o1 = jv_object_set(o1, jv_string("bar"), jv_number(24));
+    assert(jv_number_value(jv_object_get(jv_copy(o1), jv_string("foo"))) == 42);
+    assert(jv_number_value(jv_object_get(jv_copy(o1), jv_string("bar"))) == 24);
+
+    jv o2 = jv_object_set(jv_copy(o1), jv_string("foo"), jv_number(420));
+    o2 = jv_object_set(o2, jv_string("bar"), jv_number(240));
+    assert(jv_number_value(jv_object_get(jv_copy(o1), jv_string("foo"))) == 42);
+    assert(jv_number_value(jv_object_get(jv_copy(o1), jv_string("bar"))) == 24);
+    assert(jv_number_value(jv_object_get(jv_copy(o2), jv_string("foo"))) == 420);
+    jv_free(o1);
+    assert(jv_number_value(jv_object_get(jv_copy(o2), jv_string("bar"))) == 240);
+
+    //jv_dump(jv_copy(o2), 0); printf("\n");
+    jv_free(o2);
+  }
+}

jv.h

@@ -0,0 +1,240 @@
+#ifndef JV_H
+#define JV_H
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+
+typedef enum {
+  JV_KIND_INVALID,
+  JV_KIND_NULL,
+  JV_KIND_FALSE,
+  JV_KIND_TRUE,
+  JV_KIND_NUMBER,
+  JV_KIND_STRING,
+  JV_KIND_ARRAY,
+  JV_KIND_OBJECT
+} jv_kind;
+
+struct jv_refcnt;
+
+/* All of the fields of this struct are private.
+   Really. Do not play with them. */
+typedef struct {
+  unsigned char kind_flags;
+  unsigned char pad_;
+  unsigned short offset;  /* array offsets */
+  int size;
+  union {
+    struct jv_refcnt* ptr;
+    double number;
+  } u;
+} jv;
+
+/*
+ * All jv_* functions consume (decref) input and produce (incref) output
+ * Except jv_copy
+ */
+
+jv_kind jv_get_kind(jv);
+const char* jv_kind_name(jv_kind);
+static int jv_is_valid(jv x) { return jv_get_kind(x) != JV_KIND_INVALID; }
+
+jv jv_copy(jv);
+void jv_free(jv);
+
+int jv_get_refcnt(jv);
+
+int jv_equal(jv, jv);
+int jv_identical(jv, jv);
+int jv_contains(jv, jv);
+
+jv jv_invalid(void);
+jv jv_invalid_with_msg(jv);
+jv jv_invalid_get_msg(jv);
+int jv_invalid_has_msg(jv);
+
+
+jv jv_null(void);
+jv jv_true(void);
+jv jv_false(void);
+jv jv_bool(int);
+
+jv jv_number(double);
+double jv_number_value(jv);
+int jv_is_integer(jv);
+
+jv jv_array(void);
+jv jv_array_sized(int);
+int jv_array_length(jv);
+jv jv_array_get(jv, int);
+jv jv_array_set(jv, int, jv);
+jv jv_array_append(jv, jv);
+jv jv_array_concat(jv, jv);
+jv jv_array_slice(jv, int, int);
+jv jv_array_indexes(jv, jv);
+#define jv_array_foreach(a, i, x) \
+  for (int jv_len__ = jv_array_length(jv_copy(a)), i=0, jv_j__ = 1;     \
+       jv_j__; jv_j__ = 0)                                              \
+    for (jv x;                                                          \
+         i < jv_len__ ?                                                 \
+           (x = jv_array_get(jv_copy(a), i), 1) : 0;                    \
+         i++)
+
+#define JV_ARRAY_1(e) (jv_array_append(jv_array(),e))
+#define JV_ARRAY_2(e1,e2) (jv_array_append(JV_ARRAY_1(e1),e2))
+#define JV_ARRAY_3(e1,e2,e3) (jv_array_append(JV_ARRAY_2(e1,e2),e3))
+#define JV_ARRAY_4(e1,e2,e3,e4) (jv_array_append(JV_ARRAY_3(e1,e2,e3),e4))
+#define JV_ARRAY_5(e1,e2,e3,e4,e5) (jv_array_append(JV_ARRAY_4(e1,e2,e3,e4),e5))
+#define JV_ARRAY_6(e1,e2,e3,e4,e5,e6) (jv_array_append(JV_ARRAY_5(e1,e2,e3,e4,e5),e6))
+#define JV_ARRAY_7(e1,e2,e3,e4,e5,e6,e7) (jv_array_append(JV_ARRAY_6(e1,e2,e3,e4,e5,e6),e7))
+#define JV_ARRAY_8(e1,e2,e3,e4,e5,e6,e7,e8) (jv_array_append(JV_ARRAY_7(e1,e2,e3,e4,e5,e6,e7),e8))
+#define JV_ARRAY_9(e1,e2,e3,e4,e5,e6,e7,e8,e9) (jv_array_append(JV_ARRAY_8(e1,e2,e3,e4,e5,e6,e7,e8),e9))
+#define JV_ARRAY_IDX(_1,_2,_3,_4,_5,_6,_7,_8,_9,NAME,...) NAME
+#define JV_ARRAY(...) \
+  JV_ARRAY_IDX(__VA_ARGS__, JV_ARRAY_9, JV_ARRAY_8, JV_ARRAY_7, JV_ARRAY_6, JV_ARRAY_5, JV_ARRAY_4, JV_ARRAY_3, JV_ARRAY_2, JV_ARRAY_1)(__VA_ARGS__)
+
+#ifdef __GNUC__
+#define JV_PRINTF_LIKE(fmt_arg_num, args_num) \
+  __attribute__ ((__format__( __printf__, fmt_arg_num, args_num)))
+#define JV_VPRINTF_LIKE(fmt_arg_num) \
+  __attribute__ ((__format__( __printf__, fmt_arg_num, 0)))
+#endif
+
+
+jv jv_string(const char*);
+jv jv_string_sized(const char*, int);
+jv jv_string_empty(int len);
+int jv_string_length_bytes(jv);
+int jv_string_length_codepoints(jv);
+unsigned long jv_string_hash(jv);
+const char* jv_string_value(jv);
+jv jv_string_indexes(jv j, jv k);
+jv jv_string_slice(jv j, int start, int end);
+jv jv_string_concat(jv, jv);
+jv jv_string_vfmt(const char*, va_list) JV_VPRINTF_LIKE(1);
+jv jv_string_fmt(const char*, ...) JV_PRINTF_LIKE(1, 2);
+jv jv_string_append_codepoint(jv a, uint32_t c);
+jv jv_string_append_buf(jv a, const char* buf, int len);
+jv jv_string_append_str(jv a, const char* str);
+jv jv_string_split(jv j, jv sep);
+jv jv_string_explode(jv j);
+jv jv_string_implode(jv j);
+
+jv jv_object(void);
+jv jv_object_get(jv object, jv key);
+jv jv_object_set(jv object, jv key, jv value);
+jv jv_object_delete(jv object, jv key);
+int jv_object_length(jv object);
+jv jv_object_merge(jv, jv);
+jv jv_object_merge_recursive(jv, jv);
+
+int jv_object_iter(jv);
+int jv_object_iter_next(jv, int);
+int jv_object_iter_valid(jv, int);
+jv jv_object_iter_key(jv, int);
+jv jv_object_iter_value(jv, int);
+#define jv_object_foreach(t, k, v)                                      \
+  for (int jv_i__ = jv_object_iter(t), jv_j__ = 1; jv_j__; jv_j__ = 0)  \
+    for (jv k, v;                                                       \
+         jv_object_iter_valid((t), jv_i__) ?                            \
+           (k = jv_object_iter_key(t, jv_i__),                          \
+            v = jv_object_iter_value(t, jv_i__),                        \
+            1)                                                          \
+           : 0;                                                         \
+         jv_i__ = jv_object_iter_next(t, jv_i__))                       \
+
+#define JV_OBJECT_1(k) (jv_object_set(jv_object(),(k),jv_null()))
+#define JV_OBJECT_2(k1,v1) (jv_object_set(jv_object(),(k1),(v1)))
+#define JV_OBJECT_3(k1,v1,k2) (jv_object_set(JV_OBJECT_2(k1,v1),k2,jv_null()))
+#define JV_OBJECT_4(k1,v1,k2,v2) (jv_object_set(JV_OBJECT_2(k1,v1),k2,v2))
+#define JV_OBJECT_5(k1,v1,k2,v2,k3) (jv_object_set(JV_OBJECT_4(k1,v1,k2,v2),k3,jv_null))
+#define JV_OBJECT_6(k1,v1,k2,v2,k3,v3) (jv_object_set(JV_OBJECT_4(k1,v1,k2,v2),k3,v3))
+#define JV_OBJECT_7(k1,v1,k2,v2,k3,v3,k4) (jv_object_set(JV_OBJECT_6(k1,v1,k2,v2,k3,v3),k4,jv_null()))
+#define JV_OBJECT_8(k1,v1,k2,v2,k3,v3,k4,v4) (jv_object_set(JV_OBJECT_6(k1,v1,k2,v2,k3,v3),k4,v4))
+#define JV_OBJECT_IDX(_1,_2,_3,_4,_5,_6,_7,_8,NAME,...) NAME
+#define JV_OBJECT(...) \
+  JV_OBJECT_IDX(__VA_ARGS__, JV_OBJECT_8, JV_OBJECT_7, JV_OBJECT_6, JV_OBJECT_5, JV_OBJECT_4, JV_OBJECT_3, JV_OBJECT_2, JV_OBJECT_1)(__VA_ARGS__)
+
+
+
+int jv_get_refcnt(jv);
+
+enum jv_print_flags {
+  JV_PRINT_PRETTY   = 1,
+  JV_PRINT_ASCII    = 2,
+  JV_PRINT_COLOUR   = 4,
+  JV_PRINT_SORTED   = 8,
+  JV_PRINT_INVALID  = 16,
+  JV_PRINT_REFCOUNT = 32,
+  JV_PRINT_TAB      = 64,
+  JV_PRINT_ISATTY   = 128,
+  JV_PRINT_SPACE0   = 256,
+  JV_PRINT_SPACE1   = 512,
+  JV_PRINT_SPACE2   = 1024,
+};
+#define JV_PRINT_INDENT_FLAGS(n) \
+    ((n) < 0 || (n) > 7 ? JV_PRINT_TAB | JV_PRINT_PRETTY : (n) == 0 ? 0 : (n) << 8 | JV_PRINT_PRETTY)
+void jv_dumpf(jv, FILE *f, int flags);
+void jv_dump(jv, int flags);
+void jv_show(jv, int flags);
+jv jv_dump_string(jv, int flags);
+char *jv_dump_string_trunc(jv x, char *outbuf, size_t bufsize);
+
+enum {
+  JV_PARSE_SEQ              = 1,
+  JV_PARSE_STREAMING        = 2,
+  JV_PARSE_STREAM_ERRORS    = 4,
+};
+
+jv jv_parse(const char* string);
+jv jv_parse_sized(const char* string, int length);
+
+typedef void (*jv_nomem_handler_f)(void *);
+void jv_nomem_handler(jv_nomem_handler_f, void *);
+
+jv jv_load_file(const char *, int);
+
+typedef struct jv_parser jv_parser;
+jv_parser* jv_parser_new(int);
+void jv_parser_set_buf(jv_parser*, const char*, int, int);
+int jv_parser_remaining(jv_parser*);
+jv jv_parser_next(jv_parser*);
+void jv_parser_free(jv_parser*);
+
+jv jv_get(jv, jv);
+jv jv_set(jv, jv, jv);
+jv jv_has(jv, jv);
+jv jv_setpath(jv, jv, jv);
+jv jv_getpath(jv, jv);
+jv jv_delpaths(jv, jv);
+jv jv_keys(jv /*object or array*/);
+jv jv_keys_unsorted(jv /*object or array*/);
+int jv_cmp(jv, jv);
+jv jv_group(jv, jv);
+jv jv_sort(jv, jv);
+
+
+#endif
+
+
+/*
+
+true/false/null:
+check kind
+
+number:
+introduce/eliminate jv
+to integer
+
+array:
+copy
+free
+slice
+index
+update
+
+updateslice?
+
+
+ */

jv_alloc.c

@@ -0,0 +1,179 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "jv_alloc.h"
+
+struct nomem_handler {
+    jv_nomem_handler_f handler;
+    void *data;
+};
+
+#if !defined(HAVE_PTHREAD_KEY_CREATE) || \
+    !defined(HAVE_PTHREAD_ONCE) || \
+    !defined(HAVE_ATEXIT)
+
+/* Try thread-local storage? */
+
+#ifdef _MSC_VER
+/* Visual C++: yes */
+static __declspec(thread) struct nomem_handler nomem_handler;
+#define USE_TLS
+#else
+#ifdef HAVE___THREAD
+/* GCC and friends: yes */
+static __thread struct nomem_handler nomem_handler;
+#define USE_TLS
+#endif /* HAVE___THREAD */
+#endif /* _MSC_VER */
+
+#endif /* !HAVE_PTHREAD_KEY_CREATE */
+
+#ifdef USE_TLS
+void jv_nomem_handler(jv_nomem_handler_f handler, void *data) {
+  nomem_handler.handler = handler;
+}
+
+static void memory_exhausted() {
+  if (nomem_handler.handler)
+    nomem_handler.handler(nomem_handler.data); // Maybe handler() will longjmp() to safety
+  // Or not
+  fprintf(stderr, "error: cannot allocate memory\n");
+  abort();
+}
+#else /* USE_TLS */
+
+#ifdef HAVE_PTHREAD_KEY_CREATE
+#include <pthread.h>
+
+pthread_key_t nomem_handler_key;
+pthread_once_t mem_once = PTHREAD_ONCE_INIT;
+
+static void tsd_fini(void) {
+  struct nomem_handler *nomem_handler;
+  nomem_handler = pthread_getspecific(nomem_handler_key);
+  if (nomem_handler) {
+    (void) pthread_setspecific(nomem_handler_key, NULL);
+    free(nomem_handler);
+  }
+}
+
+static void tsd_init(void) {
+  if (pthread_key_create(&nomem_handler_key, NULL) != 0) {
+    fprintf(stderr, "error: cannot create thread specific key");
+    abort();
+  }
+  if (atexit(tsd_fini) != 0) {
+    fprintf(stderr, "error: cannot set an exit handler");
+    abort();
+  }
+  struct nomem_handler *nomem_handler = calloc(1, sizeof(struct nomem_handler));
+  if (pthread_setspecific(nomem_handler_key, nomem_handler) != 0) {
+    fprintf(stderr, "error: cannot set thread specific data");
+    abort();
+  }
+}
+
+void jv_nomem_handler(jv_nomem_handler_f handler, void *data) {
+  pthread_once(&mem_once, tsd_init); // cannot fail
+  struct nomem_handler *nomem_handler;
+
+  nomem_handler = pthread_getspecific(nomem_handler_key);
+  if (nomem_handler == NULL) {
+    handler(data);
+    fprintf(stderr, "error: cannot allocate memory\n");
+    abort();
+  }
+  nomem_handler->handler = handler;
+  nomem_handler->data = data;
+}
+
+static void memory_exhausted() {
+  struct nomem_handler *nomem_handler;
+
+  pthread_once(&mem_once, tsd_init);
+  nomem_handler = pthread_getspecific(nomem_handler_key);
+  if (nomem_handler)
+    nomem_handler->handler(nomem_handler->data); // Maybe handler() will longjmp() to safety
+  // Or not
+  fprintf(stderr, "error: cannot allocate memory\n");
+  abort();
+}
+
+#else
+
+/* No thread-local storage of any kind that we know how to handle */
+
+static struct nomem_handler nomem_handler;
+void jv_nomem_handler(jv_nomem_handler_f handler, void *data) {
+  nomem_handler.handler = handler;
+  nomem_handler.data = data;
+}
+
+static void memory_exhausted() {
+  fprintf(stderr, "error: cannot allocate memory\n");
+  abort();
+}
+
+#endif /* HAVE_PTHREAD_KEY_CREATE */
+#endif /* USE_TLS */
+
+
+void* jv_mem_alloc(size_t sz) {
+  void* p = malloc(sz);
+  if (!p) {
+    memory_exhausted();
+  }
+  return p;
+}
+
+void* jv_mem_alloc_unguarded(size_t sz) {
+  return malloc(sz);
+}
+
+void* jv_mem_calloc(size_t nemb, size_t sz) {
+  void* p = calloc(nemb, sz);
+  if (!p) {
+    memory_exhausted();
+  }
+  return p;
+}
+
+void* jv_mem_calloc_unguarded(size_t nemb, size_t sz) {
+  return calloc(nemb, sz);
+}
+
+char* jv_mem_strdup(const char *s) {
+  char *p = strdup(s);
+  if (!p) {
+    memory_exhausted();
+  }
+  return p;
+}
+
+char* jv_mem_strdup_unguarded(const char *s) {
+  return strdup(s);
+}
+
+void jv_mem_free(void* p) {
+  free(p);
+}
+
+void* jv_mem_realloc(void* p, size_t sz) {
+  p = realloc(p, sz);
+  if (!p) {
+    memory_exhausted();
+  }
+  return p;
+}
+
+#ifndef NDEBUG
+volatile char jv_mem_uninitialised;
+__attribute__((constructor)) void jv_mem_uninit_setup(){
+  // ignore warning that this reads uninitialized memory - that's the point!
+#ifndef __clang_analyzer__
+  char* p = malloc(1);
+  jv_mem_uninitialised = *p;
+  free(p);
+#endif
+}
+#endif

jv_alloc.h

@@ -0,0 +1,27 @@
+#ifndef JV_ALLOC_H
+#define JV_ALLOC_H
+
+#include <stddef.h>
+#include "jv.h"
+
+#ifndef NDEBUG
+extern volatile char jv_mem_uninitialised;
+#endif
+
+static void jv_mem_invalidate(void* mem, size_t n) {
+#ifndef NDEBUG
+  char* m = mem;
+  while (n--) *m++ ^= jv_mem_uninitialised ^ jv_mem_uninitialised;
+#endif
+}
+
+void* jv_mem_alloc(size_t);
+void* jv_mem_alloc_unguarded(size_t);
+void* jv_mem_calloc(size_t, size_t);
+void* jv_mem_calloc_unguarded(size_t, size_t);
+char* jv_mem_strdup(const char *);
+char* jv_mem_strdup_unguarded(const char *);
+void jv_mem_free(void*);
+__attribute__((warn_unused_result)) void* jv_mem_realloc(void*, size_t);
+
+#endif