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  1. # generated automatically by aclocal 1.14 -*- Autoconf -*-
  2.  
  3. # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  4.  
  5. # This file is free software; the Free Software Foundation
  6. # gives unlimited permission to copy and/or distribute it,
  7. # with or without modifications, as long as this notice is preserved.
  8.  
  9. # This program is distributed in the hope that it will be useful,
  10. # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  11. # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  12. # PARTICULAR PURPOSE.
  13.  
  14. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
  15. m4_ifndef([AC_AUTOCONF_VERSION],
  16.   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  17. m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
  18. [m4_warning([this file was generated for autoconf 2.69.
  19. You have another version of autoconf.  It may work, but is not guaranteed to.
  20. If you have problems, you may need to regenerate the build system entirely.
  21. To do so, use the procedure documented by the package, typically 'autoreconf'.])])
  22.  
  23. # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
  24. # serial 1 (pkg-config-0.24)
  25. #
  26. # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
  27. #
  28. # This program is free software; you can redistribute it and/or modify
  29. # it under the terms of the GNU General Public License as published by
  30. # the Free Software Foundation; either version 2 of the License, or
  31. # (at your option) any later version.
  32. #
  33. # This program is distributed in the hope that it will be useful, but
  34. # WITHOUT ANY WARRANTY; without even the implied warranty of
  35. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  36. # General Public License for more details.
  37. #
  38. # You should have received a copy of the GNU General Public License
  39. # along with this program; if not, write to the Free Software
  40. # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  41. #
  42. # As a special exception to the GNU General Public License, if you
  43. # distribute this file as part of a program that contains a
  44. # configuration script generated by Autoconf, you may include it under
  45. # the same distribution terms that you use for the rest of that program.
  46.  
  47. # PKG_PROG_PKG_CONFIG([MIN-VERSION])
  48. # ----------------------------------
  49. AC_DEFUN([PKG_PROG_PKG_CONFIG],
  50. [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
  51. m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
  52. m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
  53. AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
  54. AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
  55. AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
  56.  
  57. if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
  58.         AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
  59. fi
  60. if test -n "$PKG_CONFIG"; then
  61.         _pkg_min_version=m4_default([$1], [0.9.0])
  62.         AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
  63.         if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
  64.                 AC_MSG_RESULT([yes])
  65.         else
  66.                 AC_MSG_RESULT([no])
  67.                 PKG_CONFIG=""
  68.         fi
  69. fi[]dnl
  70. ])# PKG_PROG_PKG_CONFIG
  71.  
  72. # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
  73. #
  74. # Check to see whether a particular set of modules exists.  Similar
  75. # to PKG_CHECK_MODULES(), but does not set variables or print errors.
  76. #
  77. # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
  78. # only at the first occurence in configure.ac, so if the first place
  79. # it's called might be skipped (such as if it is within an "if", you
  80. # have to call PKG_CHECK_EXISTS manually
  81. # --------------------------------------------------------------
  82. AC_DEFUN([PKG_CHECK_EXISTS],
  83. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  84. if test -n "$PKG_CONFIG" && \
  85.     AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
  86.   m4_default([$2], [:])
  87. m4_ifvaln([$3], [else
  88.   $3])dnl
  89. fi])
  90.  
  91. # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
  92. # ---------------------------------------------
  93. m4_define([_PKG_CONFIG],
  94. [if test -n "$$1"; then
  95.     pkg_cv_[]$1="$$1"
  96.  elif test -n "$PKG_CONFIG"; then
  97.     PKG_CHECK_EXISTS([$3],
  98.                      [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
  99.                       test "x$?" != "x0" && pkg_failed=yes ],
  100.                      [pkg_failed=yes])
  101.  else
  102.     pkg_failed=untried
  103. fi[]dnl
  104. ])# _PKG_CONFIG
  105.  
  106. # _PKG_SHORT_ERRORS_SUPPORTED
  107. # -----------------------------
  108. AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
  109. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
  110. if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
  111.         _pkg_short_errors_supported=yes
  112. else
  113.         _pkg_short_errors_supported=no
  114. fi[]dnl
  115. ])# _PKG_SHORT_ERRORS_SUPPORTED
  116.  
  117.  
  118. # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
  119. # [ACTION-IF-NOT-FOUND])
  120. #
  121. #
  122. # Note that if there is a possibility the first call to
  123. # PKG_CHECK_MODULES might not happen, you should be sure to include an
  124. # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
  125. #
  126. #
  127. # --------------------------------------------------------------
  128. AC_DEFUN([PKG_CHECK_MODULES],
  129. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  130. AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
  131. AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
  132.  
  133. pkg_failed=no
  134. AC_MSG_CHECKING([for $1])
  135.  
  136. _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
  137. _PKG_CONFIG([$1][_LIBS], [libs], [$2])
  138.  
  139. m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
  140. and $1[]_LIBS to avoid the need to call pkg-config.
  141. See the pkg-config man page for more details.])
  142.  
  143. if test $pkg_failed = yes; then
  144.         AC_MSG_RESULT([no])
  145.         _PKG_SHORT_ERRORS_SUPPORTED
  146.         if test $_pkg_short_errors_supported = yes; then
  147.                 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
  148.         else
  149.                 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
  150.         fi
  151.         # Put the nasty error message in config.log where it belongs
  152.         echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
  153.  
  154.         m4_default([$4], [AC_MSG_ERROR(
  155. [Package requirements ($2) were not met:
  156.  
  157. $$1_PKG_ERRORS
  158.  
  159. Consider adjusting the PKG_CONFIG_PATH environment variable if you
  160. installed software in a non-standard prefix.
  161.  
  162. _PKG_TEXT])[]dnl
  163.         ])
  164. elif test $pkg_failed = untried; then
  165.         AC_MSG_RESULT([no])
  166.         m4_default([$4], [AC_MSG_FAILURE(
  167. [The pkg-config script could not be found or is too old.  Make sure it
  168. is in your PATH or set the PKG_CONFIG environment variable to the full
  169. path to pkg-config.
  170.  
  171. _PKG_TEXT
  172.  
  173. To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
  174.         ])
  175. else
  176.         $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
  177.         $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
  178.         AC_MSG_RESULT([yes])
  179.         $3
  180. fi[]dnl
  181. ])# PKG_CHECK_MODULES
  182.  
  183. # Copyright (C) 2002-2013 Free Software Foundation, Inc.
  184. #
  185. # This file is free software; the Free Software Foundation
  186. # gives unlimited permission to copy and/or distribute it,
  187. # with or without modifications, as long as this notice is preserved.
  188.  
  189. # AM_AUTOMAKE_VERSION(VERSION)
  190. # ----------------------------
  191. # Automake X.Y traces this macro to ensure aclocal.m4 has been
  192. # generated from the m4 files accompanying Automake X.Y.
  193. # (This private macro should not be called outside this file.)
  194. AC_DEFUN([AM_AUTOMAKE_VERSION],
  195. [am__api_version='1.14'
  196. dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
  197. dnl require some minimum version.  Point them to the right macro.
  198. m4_if([$1], [1.14], [],
  199.       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
  200. ])
  201.  
  202. # _AM_AUTOCONF_VERSION(VERSION)
  203. # -----------------------------
  204. # aclocal traces this macro to find the Autoconf version.
  205. # This is a private macro too.  Using m4_define simplifies
  206. # the logic in aclocal, which can simply ignore this definition.
  207. m4_define([_AM_AUTOCONF_VERSION], [])
  208.  
  209. # AM_SET_CURRENT_AUTOMAKE_VERSION
  210. # -------------------------------
  211. # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
  212. # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
  213. AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
  214. [AM_AUTOMAKE_VERSION([1.14])dnl
  215. m4_ifndef([AC_AUTOCONF_VERSION],
  216.   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  217. _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
  218.  
  219. # Copyright (C) 2011-2013 Free Software Foundation, Inc.
  220. #
  221. # This file is free software; the Free Software Foundation
  222. # gives unlimited permission to copy and/or distribute it,
  223. # with or without modifications, as long as this notice is preserved.
  224.  
  225. # AM_PROG_AR([ACT-IF-FAIL])
  226. # -------------------------
  227. # Try to determine the archiver interface, and trigger the ar-lib wrapper
  228. # if it is needed.  If the detection of archiver interface fails, run
  229. # ACT-IF-FAIL (default is to abort configure with a proper error message).
  230. AC_DEFUN([AM_PROG_AR],
  231. [AC_BEFORE([$0], [LT_INIT])dnl
  232. AC_BEFORE([$0], [AC_PROG_LIBTOOL])dnl
  233. AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  234. AC_REQUIRE_AUX_FILE([ar-lib])dnl
  235. AC_CHECK_TOOLS([AR], [ar lib "link -lib"], [false])
  236. : ${AR=ar}
  237.  
  238. AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
  239.   [AC_LANG_PUSH([C])
  240.    am_cv_ar_interface=ar
  241.    AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int some_variable = 0;]])],
  242.      [am_ar_try='$AR cru libconftest.a conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
  243.       AC_TRY_EVAL([am_ar_try])
  244.       if test "$ac_status" -eq 0; then
  245.         am_cv_ar_interface=ar
  246.       else
  247.         am_ar_try='$AR -NOLOGO -OUT:conftest.lib conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
  248.         AC_TRY_EVAL([am_ar_try])
  249.         if test "$ac_status" -eq 0; then
  250.           am_cv_ar_interface=lib
  251.         else
  252.           am_cv_ar_interface=unknown
  253.         fi
  254.       fi
  255.       rm -f conftest.lib libconftest.a
  256.      ])
  257.    AC_LANG_POP([C])])
  258.  
  259. case $am_cv_ar_interface in
  260. ar)
  261.   ;;
  262. lib)
  263.   # Microsoft lib, so override with the ar-lib wrapper script.
  264.   # FIXME: It is wrong to rewrite AR.
  265.   # But if we don't then we get into trouble of one sort or another.
  266.   # A longer-term fix would be to have automake use am__AR in this case,
  267.   # and then we could set am__AR="$am_aux_dir/ar-lib \$(AR)" or something
  268.   # similar.
  269.   AR="$am_aux_dir/ar-lib $AR"
  270.   ;;
  271. unknown)
  272.   m4_default([$1],
  273.              [AC_MSG_ERROR([could not determine $AR interface])])
  274.   ;;
  275. esac
  276. AC_SUBST([AR])dnl
  277. ])
  278.  
  279. # Figure out how to run the assembler.                      -*- Autoconf -*-
  280.  
  281. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  282. #
  283. # This file is free software; the Free Software Foundation
  284. # gives unlimited permission to copy and/or distribute it,
  285. # with or without modifications, as long as this notice is preserved.
  286.  
  287. # AM_PROG_AS
  288. # ----------
  289. AC_DEFUN([AM_PROG_AS],
  290. [# By default we simply use the C compiler to build assembly code.
  291. AC_REQUIRE([AC_PROG_CC])
  292. test "${CCAS+set}" = set || CCAS=$CC
  293. test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
  294. AC_ARG_VAR([CCAS],      [assembler compiler command (defaults to CC)])
  295. AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)])
  296. _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
  297. ])
  298.  
  299. # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
  300.  
  301. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  302. #
  303. # This file is free software; the Free Software Foundation
  304. # gives unlimited permission to copy and/or distribute it,
  305. # with or without modifications, as long as this notice is preserved.
  306.  
  307. # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
  308. # $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
  309. # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
  310. #
  311. # Of course, Automake must honor this variable whenever it calls a
  312. # tool from the auxiliary directory.  The problem is that $srcdir (and
  313. # therefore $ac_aux_dir as well) can be either absolute or relative,
  314. # depending on how configure is run.  This is pretty annoying, since
  315. # it makes $ac_aux_dir quite unusable in subdirectories: in the top
  316. # source directory, any form will work fine, but in subdirectories a
  317. # relative path needs to be adjusted first.
  318. #
  319. # $ac_aux_dir/missing
  320. #    fails when called from a subdirectory if $ac_aux_dir is relative
  321. # $top_srcdir/$ac_aux_dir/missing
  322. #    fails if $ac_aux_dir is absolute,
  323. #    fails when called from a subdirectory in a VPATH build with
  324. #          a relative $ac_aux_dir
  325. #
  326. # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
  327. # are both prefixed by $srcdir.  In an in-source build this is usually
  328. # harmless because $srcdir is '.', but things will broke when you
  329. # start a VPATH build or use an absolute $srcdir.
  330. #
  331. # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
  332. # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
  333. #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
  334. # and then we would define $MISSING as
  335. #   MISSING="\${SHELL} $am_aux_dir/missing"
  336. # This will work as long as MISSING is not called from configure, because
  337. # unfortunately $(top_srcdir) has no meaning in configure.
  338. # However there are other variables, like CC, which are often used in
  339. # configure, and could therefore not use this "fixed" $ac_aux_dir.
  340. #
  341. # Another solution, used here, is to always expand $ac_aux_dir to an
  342. # absolute PATH.  The drawback is that using absolute paths prevent a
  343. # configured tree to be moved without reconfiguration.
  344.  
  345. AC_DEFUN([AM_AUX_DIR_EXPAND],
  346. [dnl Rely on autoconf to set up CDPATH properly.
  347. AC_PREREQ([2.50])dnl
  348. # expand $ac_aux_dir to an absolute path
  349. am_aux_dir=`cd $ac_aux_dir && pwd`
  350. ])
  351.  
  352. # AM_CONDITIONAL                                            -*- Autoconf -*-
  353.  
  354. # Copyright (C) 1997-2013 Free Software Foundation, Inc.
  355. #
  356. # This file is free software; the Free Software Foundation
  357. # gives unlimited permission to copy and/or distribute it,
  358. # with or without modifications, as long as this notice is preserved.
  359.  
  360. # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  361. # -------------------------------------
  362. # Define a conditional.
  363. AC_DEFUN([AM_CONDITIONAL],
  364. [AC_PREREQ([2.52])dnl
  365.  m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
  366.        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
  367. AC_SUBST([$1_TRUE])dnl
  368. AC_SUBST([$1_FALSE])dnl
  369. _AM_SUBST_NOTMAKE([$1_TRUE])dnl
  370. _AM_SUBST_NOTMAKE([$1_FALSE])dnl
  371. m4_define([_AM_COND_VALUE_$1], [$2])dnl
  372. if $2; then
  373.   $1_TRUE=
  374.   $1_FALSE='#'
  375. else
  376.   $1_TRUE='#'
  377.   $1_FALSE=
  378. fi
  379. AC_CONFIG_COMMANDS_PRE(
  380. [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  381.   AC_MSG_ERROR([[conditional "$1" was never defined.
  382. Usually this means the macro was only invoked conditionally.]])
  383. fi])])
  384.  
  385. # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  386. #
  387. # This file is free software; the Free Software Foundation
  388. # gives unlimited permission to copy and/or distribute it,
  389. # with or without modifications, as long as this notice is preserved.
  390.  
  391.  
  392. # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
  393. # written in clear, in which case automake, when reading aclocal.m4,
  394. # will think it sees a *use*, and therefore will trigger all it's
  395. # C support machinery.  Also note that it means that autoscan, seeing
  396. # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
  397.  
  398.  
  399. # _AM_DEPENDENCIES(NAME)
  400. # ----------------------
  401. # See how the compiler implements dependency checking.
  402. # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
  403. # We try a few techniques and use that to set a single cache variable.
  404. #
  405. # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
  406. # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
  407. # dependency, and given that the user is not expected to run this macro,
  408. # just rely on AC_PROG_CC.
  409. AC_DEFUN([_AM_DEPENDENCIES],
  410. [AC_REQUIRE([AM_SET_DEPDIR])dnl
  411. AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
  412. AC_REQUIRE([AM_MAKE_INCLUDE])dnl
  413. AC_REQUIRE([AM_DEP_TRACK])dnl
  414.  
  415. m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
  416.       [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
  417.       [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
  418.       [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
  419.       [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
  420.       [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
  421.                     [depcc="$$1"   am_compiler_list=])
  422.  
  423. AC_CACHE_CHECK([dependency style of $depcc],
  424.                [am_cv_$1_dependencies_compiler_type],
  425. [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  426.   # We make a subdir and do the tests there.  Otherwise we can end up
  427.   # making bogus files that we don't know about and never remove.  For
  428.   # instance it was reported that on HP-UX the gcc test will end up
  429.   # making a dummy file named 'D' -- because '-MD' means "put the output
  430.   # in D".
  431.   rm -rf conftest.dir
  432.   mkdir conftest.dir
  433.   # Copy depcomp to subdir because otherwise we won't find it if we're
  434.   # using a relative directory.
  435.   cp "$am_depcomp" conftest.dir
  436.   cd conftest.dir
  437.   # We will build objects and dependencies in a subdirectory because
  438.   # it helps to detect inapplicable dependency modes.  For instance
  439.   # both Tru64's cc and ICC support -MD to output dependencies as a
  440.   # side effect of compilation, but ICC will put the dependencies in
  441.   # the current directory while Tru64 will put them in the object
  442.   # directory.
  443.   mkdir sub
  444.  
  445.   am_cv_$1_dependencies_compiler_type=none
  446.   if test "$am_compiler_list" = ""; then
  447.      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
  448.   fi
  449.   am__universal=false
  450.   m4_case([$1], [CC],
  451.     [case " $depcc " in #(
  452.      *\ -arch\ *\ -arch\ *) am__universal=true ;;
  453.      esac],
  454.     [CXX],
  455.     [case " $depcc " in #(
  456.      *\ -arch\ *\ -arch\ *) am__universal=true ;;
  457.      esac])
  458.  
  459.   for depmode in $am_compiler_list; do
  460.     # Setup a source with many dependencies, because some compilers
  461.     # like to wrap large dependency lists on column 80 (with \), and
  462.     # we should not choose a depcomp mode which is confused by this.
  463.     #
  464.     # We need to recreate these files for each test, as the compiler may
  465.     # overwrite some of them when testing with obscure command lines.
  466.     # This happens at least with the AIX C compiler.
  467.     : > sub/conftest.c
  468.     for i in 1 2 3 4 5 6; do
  469.       echo '#include "conftst'$i'.h"' >> sub/conftest.c
  470.       # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
  471.       # Solaris 10 /bin/sh.
  472.       echo '/* dummy */' > sub/conftst$i.h
  473.     done
  474.     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  475.  
  476.     # We check with '-c' and '-o' for the sake of the "dashmstdout"
  477.     # mode.  It turns out that the SunPro C++ compiler does not properly
  478.     # handle '-M -o', and we need to detect this.  Also, some Intel
  479.     # versions had trouble with output in subdirs.
  480.     am__obj=sub/conftest.${OBJEXT-o}
  481.     am__minus_obj="-o $am__obj"
  482.     case $depmode in
  483.     gcc)
  484.       # This depmode causes a compiler race in universal mode.
  485.       test "$am__universal" = false || continue
  486.       ;;
  487.     nosideeffect)
  488.       # After this tag, mechanisms are not by side-effect, so they'll
  489.       # only be used when explicitly requested.
  490.       if test "x$enable_dependency_tracking" = xyes; then
  491.         continue
  492.       else
  493.         break
  494.       fi
  495.       ;;
  496.     msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  497.       # This compiler won't grok '-c -o', but also, the minuso test has
  498.       # not run yet.  These depmodes are late enough in the game, and
  499.       # so weak that their functioning should not be impacted.
  500.       am__obj=conftest.${OBJEXT-o}
  501.       am__minus_obj=
  502.       ;;
  503.     none) break ;;
  504.     esac
  505.     if depmode=$depmode \
  506.        source=sub/conftest.c object=$am__obj \
  507.        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  508.        $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  509.          >/dev/null 2>conftest.err &&
  510.        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  511.        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  512.        grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  513.        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  514.       # icc doesn't choke on unknown options, it will just issue warnings
  515.       # or remarks (even with -Werror).  So we grep stderr for any message
  516.       # that says an option was ignored or not supported.
  517.       # When given -MP, icc 7.0 and 7.1 complain thusly:
  518.       #   icc: Command line warning: ignoring option '-M'; no argument required
  519.       # The diagnosis changed in icc 8.0:
  520.       #   icc: Command line remark: option '-MP' not supported
  521.       if (grep 'ignoring option' conftest.err ||
  522.           grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  523.         am_cv_$1_dependencies_compiler_type=$depmode
  524.         break
  525.       fi
  526.     fi
  527.   done
  528.  
  529.   cd ..
  530.   rm -rf conftest.dir
  531. else
  532.   am_cv_$1_dependencies_compiler_type=none
  533. fi
  534. ])
  535. AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
  536. AM_CONDITIONAL([am__fastdep$1], [
  537.   test "x$enable_dependency_tracking" != xno \
  538.   && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
  539. ])
  540.  
  541.  
  542. # AM_SET_DEPDIR
  543. # -------------
  544. # Choose a directory name for dependency files.
  545. # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
  546. AC_DEFUN([AM_SET_DEPDIR],
  547. [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  548. AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
  549. ])
  550.  
  551.  
  552. # AM_DEP_TRACK
  553. # ------------
  554. AC_DEFUN([AM_DEP_TRACK],
  555. [AC_ARG_ENABLE([dependency-tracking], [dnl
  556. AS_HELP_STRING(
  557.   [--enable-dependency-tracking],
  558.   [do not reject slow dependency extractors])
  559. AS_HELP_STRING(
  560.   [--disable-dependency-tracking],
  561.   [speeds up one-time build])])
  562. if test "x$enable_dependency_tracking" != xno; then
  563.   am_depcomp="$ac_aux_dir/depcomp"
  564.   AMDEPBACKSLASH='\'
  565.   am__nodep='_no'
  566. fi
  567. AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
  568. AC_SUBST([AMDEPBACKSLASH])dnl
  569. _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  570. AC_SUBST([am__nodep])dnl
  571. _AM_SUBST_NOTMAKE([am__nodep])dnl
  572. ])
  573.  
  574. # Generate code to set up dependency tracking.              -*- Autoconf -*-
  575.  
  576. # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  577. #
  578. # This file is free software; the Free Software Foundation
  579. # gives unlimited permission to copy and/or distribute it,
  580. # with or without modifications, as long as this notice is preserved.
  581.  
  582.  
  583. # _AM_OUTPUT_DEPENDENCY_COMMANDS
  584. # ------------------------------
  585. AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  586. [{
  587.   # Older Autoconf quotes --file arguments for eval, but not when files
  588.   # are listed without --file.  Let's play safe and only enable the eval
  589.   # if we detect the quoting.
  590.   case $CONFIG_FILES in
  591.   *\'*) eval set x "$CONFIG_FILES" ;;
  592.   *)   set x $CONFIG_FILES ;;
  593.   esac
  594.   shift
  595.   for mf
  596.   do
  597.     # Strip MF so we end up with the name of the file.
  598.     mf=`echo "$mf" | sed -e 's/:.*$//'`
  599.     # Check whether this is an Automake generated Makefile or not.
  600.     # We used to match only the files named 'Makefile.in', but
  601.     # some people rename them; so instead we look at the file content.
  602.     # Grep'ing the first line is not enough: some people post-process
  603.     # each Makefile.in and add a new line on top of each file to say so.
  604.     # Grep'ing the whole file is not good either: AIX grep has a line
  605.     # limit of 2048, but all sed's we know have understand at least 4000.
  606.     if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
  607.       dirpart=`AS_DIRNAME("$mf")`
  608.     else
  609.       continue
  610.     fi
  611.     # Extract the definition of DEPDIR, am__include, and am__quote
  612.     # from the Makefile without running 'make'.
  613.     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
  614.     test -z "$DEPDIR" && continue
  615.     am__include=`sed -n 's/^am__include = //p' < "$mf"`
  616.     test -z "$am__include" && continue
  617.     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
  618.     # Find all dependency output files, they are included files with
  619.     # $(DEPDIR) in their names.  We invoke sed twice because it is the
  620.     # simplest approach to changing $(DEPDIR) to its actual value in the
  621.     # expansion.
  622.     for file in `sed -n "
  623.       s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
  624.          sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
  625.       # Make sure the directory exists.
  626.       test -f "$dirpart/$file" && continue
  627.       fdir=`AS_DIRNAME(["$file"])`
  628.       AS_MKDIR_P([$dirpart/$fdir])
  629.       # echo "creating $dirpart/$file"
  630.       echo '# dummy' > "$dirpart/$file"
  631.     done
  632.   done
  633. }
  634. ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  635.  
  636.  
  637. # AM_OUTPUT_DEPENDENCY_COMMANDS
  638. # -----------------------------
  639. # This macro should only be invoked once -- use via AC_REQUIRE.
  640. #
  641. # This code is only required when automatic dependency tracking
  642. # is enabled.  FIXME.  This creates each '.P' file that we will
  643. # need in order to bootstrap the dependency handling code.
  644. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  645. [AC_CONFIG_COMMANDS([depfiles],
  646.      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  647.      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
  648. ])
  649.  
  650. # Do all the work for Automake.                             -*- Autoconf -*-
  651.  
  652. # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  653. #
  654. # This file is free software; the Free Software Foundation
  655. # gives unlimited permission to copy and/or distribute it,
  656. # with or without modifications, as long as this notice is preserved.
  657.  
  658. # This macro actually does too much.  Some checks are only needed if
  659. # your package does certain things.  But this isn't really a big deal.
  660.  
  661. dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
  662. m4_define([AC_PROG_CC],
  663. m4_defn([AC_PROG_CC])
  664. [_AM_PROG_CC_C_O
  665. ])
  666.  
  667. # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  668. # AM_INIT_AUTOMAKE([OPTIONS])
  669. # -----------------------------------------------
  670. # The call with PACKAGE and VERSION arguments is the old style
  671. # call (pre autoconf-2.50), which is being phased out.  PACKAGE
  672. # and VERSION should now be passed to AC_INIT and removed from
  673. # the call to AM_INIT_AUTOMAKE.
  674. # We support both call styles for the transition.  After
  675. # the next Automake release, Autoconf can make the AC_INIT
  676. # arguments mandatory, and then we can depend on a new Autoconf
  677. # release and drop the old call support.
  678. AC_DEFUN([AM_INIT_AUTOMAKE],
  679. [AC_PREREQ([2.65])dnl
  680. dnl Autoconf wants to disallow AM_ names.  We explicitly allow
  681. dnl the ones we care about.
  682. m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  683. AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  684. AC_REQUIRE([AC_PROG_INSTALL])dnl
  685. if test "`cd $srcdir && pwd`" != "`pwd`"; then
  686.   # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  687.   # is not polluted with repeated "-I."
  688.   AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  689.   # test to see if srcdir already configured
  690.   if test -f $srcdir/config.status; then
  691.     AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  692.   fi
  693. fi
  694.  
  695. # test whether we have cygpath
  696. if test -z "$CYGPATH_W"; then
  697.   if (cygpath --version) >/dev/null 2>/dev/null; then
  698.     CYGPATH_W='cygpath -w'
  699.   else
  700.     CYGPATH_W=echo
  701.   fi
  702. fi
  703. AC_SUBST([CYGPATH_W])
  704.  
  705. # Define the identity of the package.
  706. dnl Distinguish between old-style and new-style calls.
  707. m4_ifval([$2],
  708. [AC_DIAGNOSE([obsolete],
  709.              [$0: two- and three-arguments forms are deprecated.])
  710. m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  711.  AC_SUBST([PACKAGE], [$1])dnl
  712.  AC_SUBST([VERSION], [$2])],
  713. [_AM_SET_OPTIONS([$1])dnl
  714. dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  715. m4_if(
  716.   m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
  717.   [ok:ok],,
  718.   [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  719.  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  720.  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  721.  
  722. _AM_IF_OPTION([no-define],,
  723. [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
  724.  AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
  725.  
  726. # Some tools Automake needs.
  727. AC_REQUIRE([AM_SANITY_CHECK])dnl
  728. AC_REQUIRE([AC_ARG_PROGRAM])dnl
  729. AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
  730. AM_MISSING_PROG([AUTOCONF], [autoconf])
  731. AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
  732. AM_MISSING_PROG([AUTOHEADER], [autoheader])
  733. AM_MISSING_PROG([MAKEINFO], [makeinfo])
  734. AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  735. AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  736. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  737. # For better backward compatibility.  To be removed once Automake 1.9.x
  738. # dies out for good.  For more background, see:
  739. # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
  740. # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
  741. AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
  742. # We need awk for the "check" target.  The system "awk" is bad on
  743. # some platforms.
  744. AC_REQUIRE([AC_PROG_AWK])dnl
  745. AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  746. AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  747. _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  748.               [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  749.                              [_AM_PROG_TAR([v7])])])
  750. _AM_IF_OPTION([no-dependencies],,
  751. [AC_PROVIDE_IFELSE([AC_PROG_CC],
  752.                   [_AM_DEPENDENCIES([CC])],
  753.                   [m4_define([AC_PROG_CC],
  754.                              m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
  755. AC_PROVIDE_IFELSE([AC_PROG_CXX],
  756.                   [_AM_DEPENDENCIES([CXX])],
  757.                   [m4_define([AC_PROG_CXX],
  758.                              m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
  759. AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  760.                   [_AM_DEPENDENCIES([OBJC])],
  761.                   [m4_define([AC_PROG_OBJC],
  762.                              m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
  763. AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
  764.                   [_AM_DEPENDENCIES([OBJCXX])],
  765.                   [m4_define([AC_PROG_OBJCXX],
  766.                              m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
  767. ])
  768. AC_REQUIRE([AM_SILENT_RULES])dnl
  769. dnl The testsuite driver may need to know about EXEEXT, so add the
  770. dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
  771. dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
  772. AC_CONFIG_COMMANDS_PRE(dnl
  773. [m4_provide_if([_AM_COMPILER_EXEEXT],
  774.   [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  775.  
  776. # POSIX will say in a future version that running "rm -f" with no argument
  777. # is OK; and we want to be able to make that assumption in our Makefile
  778. # recipes.  So use an aggressive probe to check that the usage we want is
  779. # actually supported "in the wild" to an acceptable degree.
  780. # See automake bug#10828.
  781. # To make any issue more visible, cause the running configure to be aborted
  782. # by default if the 'rm' program in use doesn't match our expectations; the
  783. # user can still override this though.
  784. if rm -f && rm -fr && rm -rf; then : OK; else
  785.   cat >&2 <<'END'
  786. Oops!
  787.  
  788. Your 'rm' program seems unable to run without file operands specified
  789. on the command line, even when the '-f' option is present.  This is contrary
  790. to the behaviour of most rm programs out there, and not conforming with
  791. the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
  792.  
  793. Please tell bug-automake@gnu.org about your system, including the value
  794. of your $PATH and any error possibly output before this message.  This
  795. can help us improve future automake versions.
  796.  
  797. END
  798.   if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
  799.     echo 'Configuration will proceed anyway, since you have set the' >&2
  800.     echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
  801.     echo >&2
  802.   else
  803.     cat >&2 <<'END'
  804. Aborting the configuration process, to ensure you take notice of the issue.
  805.  
  806. You can download and install GNU coreutils to get an 'rm' implementation
  807. that behaves properly: <http://www.gnu.org/software/coreutils/>.
  808.  
  809. If you want to complete the configuration process using your problematic
  810. 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
  811. to "yes", and re-run configure.
  812.  
  813. END
  814.     AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  815.   fi
  816. fi])
  817.  
  818. dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
  819. dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  820. dnl mangled by Autoconf and run in a shell conditional statement.
  821. m4_define([_AC_COMPILER_EXEEXT],
  822. m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
  823.  
  824. # When config.status generates a header, we must update the stamp-h file.
  825. # This file resides in the same directory as the config header
  826. # that is generated.  The stamp files are numbered to have different names.
  827.  
  828. # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
  829. # loop where config.status creates the headers, so we can generate
  830. # our stamp files there.
  831. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
  832. [# Compute $1's index in $config_headers.
  833. _am_arg=$1
  834. _am_stamp_count=1
  835. for _am_header in $config_headers :; do
  836.   case $_am_header in
  837.     $_am_arg | $_am_arg:* )
  838.       break ;;
  839.     * )
  840.       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  841.   esac
  842. done
  843. echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  844.  
  845. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  846. #
  847. # This file is free software; the Free Software Foundation
  848. # gives unlimited permission to copy and/or distribute it,
  849. # with or without modifications, as long as this notice is preserved.
  850.  
  851. # AM_PROG_INSTALL_SH
  852. # ------------------
  853. # Define $install_sh.
  854. AC_DEFUN([AM_PROG_INSTALL_SH],
  855. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  856. if test x"${install_sh}" != xset; then
  857.   case $am_aux_dir in
  858.   *\ * | *\     *)
  859.     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  860.   *)
  861.     install_sh="\${SHELL} $am_aux_dir/install-sh"
  862.   esac
  863. fi
  864. AC_SUBST([install_sh])])
  865.  
  866. # Copyright (C) 2003-2013 Free Software Foundation, Inc.
  867. #
  868. # This file is free software; the Free Software Foundation
  869. # gives unlimited permission to copy and/or distribute it,
  870. # with or without modifications, as long as this notice is preserved.
  871.  
  872. # Check whether the underlying file-system supports filenames
  873. # with a leading dot.  For instance MS-DOS doesn't.
  874. AC_DEFUN([AM_SET_LEADING_DOT],
  875. [rm -rf .tst 2>/dev/null
  876. mkdir .tst 2>/dev/null
  877. if test -d .tst; then
  878.   am__leading_dot=.
  879. else
  880.   am__leading_dot=_
  881. fi
  882. rmdir .tst 2>/dev/null
  883. AC_SUBST([am__leading_dot])])
  884.  
  885. # Copyright (C) 1998-2013 Free Software Foundation, Inc.
  886. #
  887. # This file is free software; the Free Software Foundation
  888. # gives unlimited permission to copy and/or distribute it,
  889. # with or without modifications, as long as this notice is preserved.
  890.  
  891. # AM_PROG_LEX
  892. # -----------
  893. # Autoconf leaves LEX=: if lex or flex can't be found.  Change that to a
  894. # "missing" invocation, for better error output.
  895. AC_DEFUN([AM_PROG_LEX],
  896. [AC_PREREQ([2.50])dnl
  897. AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
  898. AC_REQUIRE([AC_PROG_LEX])dnl
  899. if test "$LEX" = :; then
  900.   LEX=${am_missing_run}flex
  901. fi])
  902.  
  903. # Check to see how 'make' treats includes.                  -*- Autoconf -*-
  904.  
  905. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  906. #
  907. # This file is free software; the Free Software Foundation
  908. # gives unlimited permission to copy and/or distribute it,
  909. # with or without modifications, as long as this notice is preserved.
  910.  
  911. # AM_MAKE_INCLUDE()
  912. # -----------------
  913. # Check to see how make treats includes.
  914. AC_DEFUN([AM_MAKE_INCLUDE],
  915. [am_make=${MAKE-make}
  916. cat > confinc << 'END'
  917. am__doit:
  918.         @echo this is the am__doit target
  919. .PHONY: am__doit
  920. END
  921. # If we don't find an include directive, just comment out the code.
  922. AC_MSG_CHECKING([for style of include used by $am_make])
  923. am__include="#"
  924. am__quote=
  925. _am_result=none
  926. # First try GNU make style include.
  927. echo "include confinc" > confmf
  928. # Ignore all kinds of additional output from 'make'.
  929. case `$am_make -s -f confmf 2> /dev/null` in #(
  930. *the\ am__doit\ target*)
  931.   am__include=include
  932.   am__quote=
  933.   _am_result=GNU
  934.   ;;
  935. esac
  936. # Now try BSD make style include.
  937. if test "$am__include" = "#"; then
  938.    echo '.include "confinc"' > confmf
  939.    case `$am_make -s -f confmf 2> /dev/null` in #(
  940.    *the\ am__doit\ target*)
  941.      am__include=.include
  942.      am__quote="\""
  943.      _am_result=BSD
  944.      ;;
  945.    esac
  946. fi
  947. AC_SUBST([am__include])
  948. AC_SUBST([am__quote])
  949. AC_MSG_RESULT([$_am_result])
  950. rm -f confinc confmf
  951. ])
  952.  
  953. # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
  954.  
  955. # Copyright (C) 1997-2013 Free Software Foundation, Inc.
  956. #
  957. # This file is free software; the Free Software Foundation
  958. # gives unlimited permission to copy and/or distribute it,
  959. # with or without modifications, as long as this notice is preserved.
  960.  
  961. # AM_MISSING_PROG(NAME, PROGRAM)
  962. # ------------------------------
  963. AC_DEFUN([AM_MISSING_PROG],
  964. [AC_REQUIRE([AM_MISSING_HAS_RUN])
  965. $1=${$1-"${am_missing_run}$2"}
  966. AC_SUBST($1)])
  967.  
  968. # AM_MISSING_HAS_RUN
  969. # ------------------
  970. # Define MISSING if not defined so far and test if it is modern enough.
  971. # If it is, set am_missing_run to use it, otherwise, to nothing.
  972. AC_DEFUN([AM_MISSING_HAS_RUN],
  973. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  974. AC_REQUIRE_AUX_FILE([missing])dnl
  975. if test x"${MISSING+set}" != xset; then
  976.   case $am_aux_dir in
  977.   *\ * | *\     *)
  978.     MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  979.   *)
  980.     MISSING="\${SHELL} $am_aux_dir/missing" ;;
  981.   esac
  982. fi
  983. # Use eval to expand $SHELL
  984. if eval "$MISSING --is-lightweight"; then
  985.   am_missing_run="$MISSING "
  986. else
  987.   am_missing_run=
  988.   AC_MSG_WARN(['missing' script is too old or missing])
  989. fi
  990. ])
  991.  
  992. # Helper functions for option handling.                     -*- Autoconf -*-
  993.  
  994. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  995. #
  996. # This file is free software; the Free Software Foundation
  997. # gives unlimited permission to copy and/or distribute it,
  998. # with or without modifications, as long as this notice is preserved.
  999.  
  1000. # _AM_MANGLE_OPTION(NAME)
  1001. # -----------------------
  1002. AC_DEFUN([_AM_MANGLE_OPTION],
  1003. [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  1004.  
  1005. # _AM_SET_OPTION(NAME)
  1006. # --------------------
  1007. # Set option NAME.  Presently that only means defining a flag for this option.
  1008. AC_DEFUN([_AM_SET_OPTION],
  1009. [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
  1010.  
  1011. # _AM_SET_OPTIONS(OPTIONS)
  1012. # ------------------------
  1013. # OPTIONS is a space-separated list of Automake options.
  1014. AC_DEFUN([_AM_SET_OPTIONS],
  1015. [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  1016.  
  1017. # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  1018. # -------------------------------------------
  1019. # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  1020. AC_DEFUN([_AM_IF_OPTION],
  1021. [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  1022.  
  1023. # Copyright (C) 1999-2013 Free Software Foundation, Inc.
  1024. #
  1025. # This file is free software; the Free Software Foundation
  1026. # gives unlimited permission to copy and/or distribute it,
  1027. # with or without modifications, as long as this notice is preserved.
  1028.  
  1029. # _AM_PROG_CC_C_O
  1030. # ---------------
  1031. # Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
  1032. # to automatically call this.
  1033. AC_DEFUN([_AM_PROG_CC_C_O],
  1034. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  1035. AC_REQUIRE_AUX_FILE([compile])dnl
  1036. AC_LANG_PUSH([C])dnl
  1037. AC_CACHE_CHECK(
  1038.   [whether $CC understands -c and -o together],
  1039.   [am_cv_prog_cc_c_o],
  1040.   [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
  1041.   # Make sure it works both with $CC and with simple cc.
  1042.   # Following AC_PROG_CC_C_O, we do the test twice because some
  1043.   # compilers refuse to overwrite an existing .o file with -o,
  1044.   # though they will create one.
  1045.   am_cv_prog_cc_c_o=yes
  1046.   for am_i in 1 2; do
  1047.     if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
  1048.          && test -f conftest2.$ac_objext; then
  1049.       : OK
  1050.     else
  1051.       am_cv_prog_cc_c_o=no
  1052.       break
  1053.     fi
  1054.   done
  1055.   rm -f core conftest*
  1056.   unset am_i])
  1057. if test "$am_cv_prog_cc_c_o" != yes; then
  1058.    # Losing compiler, so override with the script.
  1059.    # FIXME: It is wrong to rewrite CC.
  1060.    # But if we don't then we get into trouble of one sort or another.
  1061.    # A longer-term fix would be to have automake use am__CC in this case,
  1062.    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
  1063.    CC="$am_aux_dir/compile $CC"
  1064. fi
  1065. AC_LANG_POP([C])])
  1066.  
  1067. # For backward compatibility.
  1068. AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
  1069.  
  1070. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  1071. #
  1072. # This file is free software; the Free Software Foundation
  1073. # gives unlimited permission to copy and/or distribute it,
  1074. # with or without modifications, as long as this notice is preserved.
  1075.  
  1076. # AM_RUN_LOG(COMMAND)
  1077. # -------------------
  1078. # Run COMMAND, save the exit status in ac_status, and log it.
  1079. # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
  1080. AC_DEFUN([AM_RUN_LOG],
  1081. [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
  1082.    ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
  1083.    ac_status=$?
  1084.    echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
  1085.    (exit $ac_status); }])
  1086.  
  1087. # Check to make sure that the build environment is sane.    -*- Autoconf -*-
  1088.  
  1089. # Copyright (C) 1996-2013 Free Software Foundation, Inc.
  1090. #
  1091. # This file is free software; the Free Software Foundation
  1092. # gives unlimited permission to copy and/or distribute it,
  1093. # with or without modifications, as long as this notice is preserved.
  1094.  
  1095. # AM_SANITY_CHECK
  1096. # ---------------
  1097. AC_DEFUN([AM_SANITY_CHECK],
  1098. [AC_MSG_CHECKING([whether build environment is sane])
  1099. # Reject unsafe characters in $srcdir or the absolute working directory
  1100. # name.  Accept space and tab only in the latter.
  1101. am_lf='
  1102. '
  1103. case `pwd` in
  1104.   *[[\\\"\#\$\&\'\`$am_lf]]*)
  1105.     AC_MSG_ERROR([unsafe absolute working directory name]);;
  1106. esac
  1107. case $srcdir in
  1108.   *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
  1109.     AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
  1110. esac
  1111.  
  1112. # Do 'set' in a subshell so we don't clobber the current shell's
  1113. # arguments.  Must try -L first in case configure is actually a
  1114. # symlink; some systems play weird games with the mod time of symlinks
  1115. # (eg FreeBSD returns the mod time of the symlink's containing
  1116. # directory).
  1117. if (
  1118.    am_has_slept=no
  1119.    for am_try in 1 2; do
  1120.      echo "timestamp, slept: $am_has_slept" > conftest.file
  1121.      set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  1122.      if test "$[*]" = "X"; then
  1123.         # -L didn't work.
  1124.         set X `ls -t "$srcdir/configure" conftest.file`
  1125.      fi
  1126.      if test "$[*]" != "X $srcdir/configure conftest.file" \
  1127.         && test "$[*]" != "X conftest.file $srcdir/configure"; then
  1128.  
  1129.         # If neither matched, then we have a broken ls.  This can happen
  1130.         # if, for instance, CONFIG_SHELL is bash and it inherits a
  1131.         # broken ls alias from the environment.  This has actually
  1132.         # happened.  Such a system could not be considered "sane".
  1133.         AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  1134.   alias in your environment])
  1135.      fi
  1136.      if test "$[2]" = conftest.file || test $am_try -eq 2; then
  1137.        break
  1138.      fi
  1139.      # Just in case.
  1140.      sleep 1
  1141.      am_has_slept=yes
  1142.    done
  1143.    test "$[2]" = conftest.file
  1144.    )
  1145. then
  1146.    # Ok.
  1147.    :
  1148. else
  1149.    AC_MSG_ERROR([newly created file is older than distributed files!
  1150. Check your system clock])
  1151. fi
  1152. AC_MSG_RESULT([yes])
  1153. # If we didn't sleep, we still need to ensure time stamps of config.status and
  1154. # generated files are strictly newer.
  1155. am_sleep_pid=
  1156. if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  1157.   ( sleep 1 ) &
  1158.   am_sleep_pid=$!
  1159. fi
  1160. AC_CONFIG_COMMANDS_PRE(
  1161.   [AC_MSG_CHECKING([that generated files are newer than configure])
  1162.    if test -n "$am_sleep_pid"; then
  1163.      # Hide warnings about reused PIDs.
  1164.      wait $am_sleep_pid 2>/dev/null
  1165.    fi
  1166.    AC_MSG_RESULT([done])])
  1167. rm -f conftest.file
  1168. ])
  1169.  
  1170. # Copyright (C) 2009-2013 Free Software Foundation, Inc.
  1171. #
  1172. # This file is free software; the Free Software Foundation
  1173. # gives unlimited permission to copy and/or distribute it,
  1174. # with or without modifications, as long as this notice is preserved.
  1175.  
  1176. # AM_SILENT_RULES([DEFAULT])
  1177. # --------------------------
  1178. # Enable less verbose build rules; with the default set to DEFAULT
  1179. # ("yes" being less verbose, "no" or empty being verbose).
  1180. AC_DEFUN([AM_SILENT_RULES],
  1181. [AC_ARG_ENABLE([silent-rules], [dnl
  1182. AS_HELP_STRING(
  1183.   [--enable-silent-rules],
  1184.   [less verbose build output (undo: "make V=1")])
  1185. AS_HELP_STRING(
  1186.   [--disable-silent-rules],
  1187.   [verbose build output (undo: "make V=0")])dnl
  1188. ])
  1189. case $enable_silent_rules in @%:@ (((
  1190.   yes) AM_DEFAULT_VERBOSITY=0;;
  1191.    no) AM_DEFAULT_VERBOSITY=1;;
  1192.     *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
  1193. esac
  1194. dnl
  1195. dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
  1196. dnl do not support nested variable expansions.
  1197. dnl See automake bug#9928 and bug#10237.
  1198. am_make=${MAKE-make}
  1199. AC_CACHE_CHECK([whether $am_make supports nested variables],
  1200.    [am_cv_make_support_nested_variables],
  1201.    [if AS_ECHO([['TRUE=$(BAR$(V))
  1202. BAR0=false
  1203. BAR1=true
  1204. V=1
  1205. am__doit:
  1206.         @$(TRUE)
  1207. .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  1208.   am_cv_make_support_nested_variables=yes
  1209. else
  1210.   am_cv_make_support_nested_variables=no
  1211. fi])
  1212. if test $am_cv_make_support_nested_variables = yes; then
  1213.   dnl Using '$V' instead of '$(V)' breaks IRIX make.
  1214.   AM_V='$(V)'
  1215.   AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
  1216. else
  1217.   AM_V=$AM_DEFAULT_VERBOSITY
  1218.   AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
  1219. fi
  1220. AC_SUBST([AM_V])dnl
  1221. AM_SUBST_NOTMAKE([AM_V])dnl
  1222. AC_SUBST([AM_DEFAULT_V])dnl
  1223. AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
  1224. AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
  1225. AM_BACKSLASH='\'
  1226. AC_SUBST([AM_BACKSLASH])dnl
  1227. _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
  1228. ])
  1229.  
  1230. # Copyright (C) 2001-2013 Free Software Foundation, Inc.
  1231. #
  1232. # This file is free software; the Free Software Foundation
  1233. # gives unlimited permission to copy and/or distribute it,
  1234. # with or without modifications, as long as this notice is preserved.
  1235.  
  1236. # AM_PROG_INSTALL_STRIP
  1237. # ---------------------
  1238. # One issue with vendor 'install' (even GNU) is that you can't
  1239. # specify the program used to strip binaries.  This is especially
  1240. # annoying in cross-compiling environments, where the build's strip
  1241. # is unlikely to handle the host's binaries.
  1242. # Fortunately install-sh will honor a STRIPPROG variable, so we
  1243. # always use install-sh in "make install-strip", and initialize
  1244. # STRIPPROG with the value of the STRIP variable (set by the user).
  1245. AC_DEFUN([AM_PROG_INSTALL_STRIP],
  1246. [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  1247. # Installed binaries are usually stripped using 'strip' when the user
  1248. # run "make install-strip".  However 'strip' might not be the right
  1249. # tool to use in cross-compilation environments, therefore Automake
  1250. # will honor the 'STRIP' environment variable to overrule this program.
  1251. dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
  1252. if test "$cross_compiling" != no; then
  1253.   AC_CHECK_TOOL([STRIP], [strip], :)
  1254. fi
  1255. INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  1256. AC_SUBST([INSTALL_STRIP_PROGRAM])])
  1257.  
  1258. # Copyright (C) 2006-2013 Free Software Foundation, Inc.
  1259. #
  1260. # This file is free software; the Free Software Foundation
  1261. # gives unlimited permission to copy and/or distribute it,
  1262. # with or without modifications, as long as this notice is preserved.
  1263.  
  1264. # _AM_SUBST_NOTMAKE(VARIABLE)
  1265. # ---------------------------
  1266. # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  1267. # This macro is traced by Automake.
  1268. AC_DEFUN([_AM_SUBST_NOTMAKE])
  1269.  
  1270. # AM_SUBST_NOTMAKE(VARIABLE)
  1271. # --------------------------
  1272. # Public sister of _AM_SUBST_NOTMAKE.
  1273. AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  1274.  
  1275. # Check how to create a tarball.                            -*- Autoconf -*-
  1276.  
  1277. # Copyright (C) 2004-2013 Free Software Foundation, Inc.
  1278. #
  1279. # This file is free software; the Free Software Foundation
  1280. # gives unlimited permission to copy and/or distribute it,
  1281. # with or without modifications, as long as this notice is preserved.
  1282.  
  1283. # _AM_PROG_TAR(FORMAT)
  1284. # --------------------
  1285. # Check how to create a tarball in format FORMAT.
  1286. # FORMAT should be one of 'v7', 'ustar', or 'pax'.
  1287. #
  1288. # Substitute a variable $(am__tar) that is a command
  1289. # writing to stdout a FORMAT-tarball containing the directory
  1290. # $tardir.
  1291. #     tardir=directory && $(am__tar) > result.tar
  1292. #
  1293. # Substitute a variable $(am__untar) that extract such
  1294. # a tarball read from stdin.
  1295. #     $(am__untar) < result.tar
  1296. #
  1297. AC_DEFUN([_AM_PROG_TAR],
  1298. [# Always define AMTAR for backward compatibility.  Yes, it's still used
  1299. # in the wild :-(  We should find a proper way to deprecate it ...
  1300. AC_SUBST([AMTAR], ['$${TAR-tar}'])
  1301.  
  1302. # We'll loop over all known methods to create a tar archive until one works.
  1303. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  1304.  
  1305. m4_if([$1], [v7],
  1306.   [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
  1307.  
  1308.   [m4_case([$1],
  1309.     [ustar],
  1310.      [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
  1311.       # There is notably a 21 bits limit for the UID and the GID.  In fact,
  1312.       # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
  1313.       # and bug#13588).
  1314.       am_max_uid=2097151 # 2^21 - 1
  1315.       am_max_gid=$am_max_uid
  1316.       # The $UID and $GID variables are not portable, so we need to resort
  1317.       # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
  1318.       # below are definitely unexpected, so allow the users to see them
  1319.       # (that is, avoid stderr redirection).
  1320.       am_uid=`id -u || echo unknown`
  1321.       am_gid=`id -g || echo unknown`
  1322.       AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
  1323.       if test $am_uid -le $am_max_uid; then
  1324.          AC_MSG_RESULT([yes])
  1325.       else
  1326.          AC_MSG_RESULT([no])
  1327.          _am_tools=none
  1328.       fi
  1329.       AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
  1330.       if test $am_gid -le $am_max_gid; then
  1331.          AC_MSG_RESULT([yes])
  1332.       else
  1333.         AC_MSG_RESULT([no])
  1334.         _am_tools=none
  1335.       fi],
  1336.  
  1337.   [pax],
  1338.     [],
  1339.  
  1340.   [m4_fatal([Unknown tar format])])
  1341.  
  1342.   AC_MSG_CHECKING([how to create a $1 tar archive])
  1343.  
  1344.   # Go ahead even if we have the value already cached.  We do so because we
  1345.   # need to set the values for the 'am__tar' and 'am__untar' variables.
  1346.   _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  1347.  
  1348.   for _am_tool in $_am_tools; do
  1349.     case $_am_tool in
  1350.     gnutar)
  1351.       for _am_tar in tar gnutar gtar; do
  1352.         AM_RUN_LOG([$_am_tar --version]) && break
  1353.       done
  1354.       am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  1355.       am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  1356.       am__untar="$_am_tar -xf -"
  1357.       ;;
  1358.     plaintar)
  1359.       # Must skip GNU tar: if it does not support --format= it doesn't create
  1360.       # ustar tarball either.
  1361.       (tar --version) >/dev/null 2>&1 && continue
  1362.       am__tar='tar chf - "$$tardir"'
  1363.       am__tar_='tar chf - "$tardir"'
  1364.       am__untar='tar xf -'
  1365.       ;;
  1366.     pax)
  1367.       am__tar='pax -L -x $1 -w "$$tardir"'
  1368.       am__tar_='pax -L -x $1 -w "$tardir"'
  1369.       am__untar='pax -r'
  1370.       ;;
  1371.     cpio)
  1372.       am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  1373.       am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  1374.       am__untar='cpio -i -H $1 -d'
  1375.       ;;
  1376.     none)
  1377.       am__tar=false
  1378.       am__tar_=false
  1379.       am__untar=false
  1380.       ;;
  1381.     esac
  1382.  
  1383.     # If the value was cached, stop now.  We just wanted to have am__tar
  1384.     # and am__untar set.
  1385.     test -n "${am_cv_prog_tar_$1}" && break
  1386.  
  1387.     # tar/untar a dummy directory, and stop if the command works.
  1388.     rm -rf conftest.dir
  1389.     mkdir conftest.dir
  1390.     echo GrepMe > conftest.dir/file
  1391.     AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  1392.     rm -rf conftest.dir
  1393.     if test -s conftest.tar; then
  1394.       AM_RUN_LOG([$am__untar <conftest.tar])
  1395.       AM_RUN_LOG([cat conftest.dir/file])
  1396.       grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  1397.     fi
  1398.   done
  1399.   rm -rf conftest.dir
  1400.  
  1401.   AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  1402.   AC_MSG_RESULT([$am_cv_prog_tar_$1])])
  1403.  
  1404. AC_SUBST([am__tar])
  1405. AC_SUBST([am__untar])
  1406. ]) # _AM_PROG_TAR
  1407.  
  1408. m4_include([m4/ax_prog_bison.m4])
  1409. m4_include([m4/ax_prog_cc_for_build.m4])
  1410. m4_include([m4/ax_prog_cxx_for_build.m4])
  1411. m4_include([m4/ax_prog_flex.m4])
  1412. m4_include([m4/ax_pthread.m4])
  1413. m4_include([m4/ax_python_module.m4])
  1414. m4_include([m4/libtool.m4])
  1415. m4_include([m4/ltoptions.m4])
  1416. m4_include([m4/ltsugar.m4])
  1417. m4_include([m4/ltversion.m4])
  1418. m4_include([m4/lt~obsolete.m4])
  1419.