aclocal.m4 39 KB

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  1. # generated automatically by aclocal 1.11 -*- Autoconf -*-
  2. # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
  3. # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
  4. # This file is free software; the Free Software Foundation
  5. # gives unlimited permission to copy and/or distribute it,
  6. # with or without modifications, as long as this notice is preserved.
  7. # This program is distributed in the hope that it will be useful,
  8. # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  9. # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  10. # PARTICULAR PURPOSE.
  11. m4_ifndef([AC_AUTOCONF_VERSION],
  12. [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  13. m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.64],,
  14. [m4_warning([this file was generated for autoconf 2.64.
  15. You have another version of autoconf. It may work, but is not guaranteed to.
  16. If you have problems, you may need to regenerate the build system entirely.
  17. To do so, use the procedure documented by the package, typically `autoreconf'.])])
  18. # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
  19. #
  20. # Copyright © 2004 Scott James Remnant <[email protected]>.
  21. #
  22. # This program is free software; you can redistribute it and/or modify
  23. # it under the terms of the GNU General Public License as published by
  24. # the Free Software Foundation; either version 2 of the License, or
  25. # (at your option) any later version.
  26. #
  27. # This program is distributed in the hope that it will be useful, but
  28. # WITHOUT ANY WARRANTY; without even the implied warranty of
  29. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  30. # General Public License for more details.
  31. #
  32. # You should have received a copy of the GNU General Public License
  33. # along with this program; if not, write to the Free Software
  34. # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  35. #
  36. # As a special exception to the GNU General Public License, if you
  37. # distribute this file as part of a program that contains a
  38. # configuration script generated by Autoconf, you may include it under
  39. # the same distribution terms that you use for the rest of that program.
  40. # PKG_PROG_PKG_CONFIG([MIN-VERSION])
  41. # ----------------------------------
  42. AC_DEFUN([PKG_PROG_PKG_CONFIG],
  43. [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
  44. m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
  45. AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
  46. if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
  47. AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
  48. fi
  49. if test -n "$PKG_CONFIG"; then
  50. _pkg_min_version=m4_default([$1], [0.9.0])
  51. AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
  52. if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
  53. AC_MSG_RESULT([yes])
  54. else
  55. AC_MSG_RESULT([no])
  56. PKG_CONFIG=""
  57. fi
  58. fi[]dnl
  59. ])# PKG_PROG_PKG_CONFIG
  60. # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
  61. #
  62. # Check to see whether a particular set of modules exists. Similar
  63. # to PKG_CHECK_MODULES(), but does not set variables or print errors.
  64. #
  65. #
  66. # Similar to PKG_CHECK_MODULES, make sure that the first instance of
  67. # this or PKG_CHECK_MODULES is called, or make sure to call
  68. # PKG_CHECK_EXISTS manually
  69. # --------------------------------------------------------------
  70. AC_DEFUN([PKG_CHECK_EXISTS],
  71. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  72. if test -n "$PKG_CONFIG" && \
  73. AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
  74. m4_ifval([$2], [$2], [:])
  75. m4_ifvaln([$3], [else
  76. $3])dnl
  77. fi])
  78. # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
  79. # ---------------------------------------------
  80. m4_define([_PKG_CONFIG],
  81. [if test -n "$PKG_CONFIG"; then
  82. if test -n "$$1"; then
  83. pkg_cv_[]$1="$$1"
  84. else
  85. PKG_CHECK_EXISTS([$3],
  86. [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
  87. [pkg_failed=yes])
  88. fi
  89. else
  90. pkg_failed=untried
  91. fi[]dnl
  92. ])# _PKG_CONFIG
  93. # _PKG_SHORT_ERRORS_SUPPORTED
  94. # -----------------------------
  95. AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
  96. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
  97. if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
  98. _pkg_short_errors_supported=yes
  99. else
  100. _pkg_short_errors_supported=no
  101. fi[]dnl
  102. ])# _PKG_SHORT_ERRORS_SUPPORTED
  103. # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
  104. # [ACTION-IF-NOT-FOUND])
  105. #
  106. #
  107. # Note that if there is a possibility the first call to
  108. # PKG_CHECK_MODULES might not happen, you should be sure to include an
  109. # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
  110. #
  111. #
  112. # --------------------------------------------------------------
  113. AC_DEFUN([PKG_CHECK_MODULES],
  114. [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  115. AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
  116. AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
  117. pkg_failed=no
  118. AC_MSG_CHECKING([for $1])
  119. _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
  120. _PKG_CONFIG([$1][_LIBS], [libs], [$2])
  121. m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
  122. and $1[]_LIBS to avoid the need to call pkg-config.
  123. See the pkg-config man page for more details.])
  124. if test $pkg_failed = yes; then
  125. _PKG_SHORT_ERRORS_SUPPORTED
  126. if test $_pkg_short_errors_supported = yes; then
  127. $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
  128. else
  129. $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
  130. fi
  131. # Put the nasty error message in config.log where it belongs
  132. echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
  133. ifelse([$4], , [AC_MSG_ERROR(dnl
  134. [Package requirements ($2) were not met:
  135. $$1_PKG_ERRORS
  136. Consider adjusting the PKG_CONFIG_PATH environment variable if you
  137. installed software in a non-standard prefix.
  138. _PKG_TEXT
  139. ])],
  140. [AC_MSG_RESULT([no])
  141. $4])
  142. elif test $pkg_failed = untried; then
  143. ifelse([$4], , [AC_MSG_FAILURE(dnl
  144. [The pkg-config script could not be found or is too old. Make sure it
  145. is in your PATH or set the PKG_CONFIG environment variable to the full
  146. path to pkg-config.
  147. _PKG_TEXT
  148. To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
  149. [$4])
  150. else
  151. $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
  152. $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
  153. AC_MSG_RESULT([yes])
  154. ifelse([$3], , :, [$3])
  155. fi[]dnl
  156. ])# PKG_CHECK_MODULES
  157. # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
  158. #
  159. # This file is free software; the Free Software Foundation
  160. # gives unlimited permission to copy and/or distribute it,
  161. # with or without modifications, as long as this notice is preserved.
  162. # AM_AUTOMAKE_VERSION(VERSION)
  163. # ----------------------------
  164. # Automake X.Y traces this macro to ensure aclocal.m4 has been
  165. # generated from the m4 files accompanying Automake X.Y.
  166. # (This private macro should not be called outside this file.)
  167. AC_DEFUN([AM_AUTOMAKE_VERSION],
  168. [am__api_version='1.11'
  169. dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
  170. dnl require some minimum version. Point them to the right macro.
  171. m4_if([$1], [1.11], [],
  172. [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
  173. ])
  174. # _AM_AUTOCONF_VERSION(VERSION)
  175. # -----------------------------
  176. # aclocal traces this macro to find the Autoconf version.
  177. # This is a private macro too. Using m4_define simplifies
  178. # the logic in aclocal, which can simply ignore this definition.
  179. m4_define([_AM_AUTOCONF_VERSION], [])
  180. # AM_SET_CURRENT_AUTOMAKE_VERSION
  181. # -------------------------------
  182. # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
  183. # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
  184. AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
  185. [AM_AUTOMAKE_VERSION([1.11])dnl
  186. m4_ifndef([AC_AUTOCONF_VERSION],
  187. [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  188. _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
  189. # AM_AUX_DIR_EXPAND -*- Autoconf -*-
  190. # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
  191. #
  192. # This file is free software; the Free Software Foundation
  193. # gives unlimited permission to copy and/or distribute it,
  194. # with or without modifications, as long as this notice is preserved.
  195. # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
  196. # $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
  197. # `$srcdir', `$srcdir/..', or `$srcdir/../..'.
  198. #
  199. # Of course, Automake must honor this variable whenever it calls a
  200. # tool from the auxiliary directory. The problem is that $srcdir (and
  201. # therefore $ac_aux_dir as well) can be either absolute or relative,
  202. # depending on how configure is run. This is pretty annoying, since
  203. # it makes $ac_aux_dir quite unusable in subdirectories: in the top
  204. # source directory, any form will work fine, but in subdirectories a
  205. # relative path needs to be adjusted first.
  206. #
  207. # $ac_aux_dir/missing
  208. # fails when called from a subdirectory if $ac_aux_dir is relative
  209. # $top_srcdir/$ac_aux_dir/missing
  210. # fails if $ac_aux_dir is absolute,
  211. # fails when called from a subdirectory in a VPATH build with
  212. # a relative $ac_aux_dir
  213. #
  214. # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
  215. # are both prefixed by $srcdir. In an in-source build this is usually
  216. # harmless because $srcdir is `.', but things will broke when you
  217. # start a VPATH build or use an absolute $srcdir.
  218. #
  219. # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
  220. # iff we strip the leading $srcdir from $ac_aux_dir. That would be:
  221. # am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
  222. # and then we would define $MISSING as
  223. # MISSING="\${SHELL} $am_aux_dir/missing"
  224. # This will work as long as MISSING is not called from configure, because
  225. # unfortunately $(top_srcdir) has no meaning in configure.
  226. # However there are other variables, like CC, which are often used in
  227. # configure, and could therefore not use this "fixed" $ac_aux_dir.
  228. #
  229. # Another solution, used here, is to always expand $ac_aux_dir to an
  230. # absolute PATH. The drawback is that using absolute paths prevent a
  231. # configured tree to be moved without reconfiguration.
  232. AC_DEFUN([AM_AUX_DIR_EXPAND],
  233. [dnl Rely on autoconf to set up CDPATH properly.
  234. AC_PREREQ([2.50])dnl
  235. # expand $ac_aux_dir to an absolute path
  236. am_aux_dir=`cd $ac_aux_dir && pwd`
  237. ])
  238. # AM_CONDITIONAL -*- Autoconf -*-
  239. # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
  240. # Free Software Foundation, Inc.
  241. #
  242. # This file is free software; the Free Software Foundation
  243. # gives unlimited permission to copy and/or distribute it,
  244. # with or without modifications, as long as this notice is preserved.
  245. # serial 9
  246. # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  247. # -------------------------------------
  248. # Define a conditional.
  249. AC_DEFUN([AM_CONDITIONAL],
  250. [AC_PREREQ(2.52)dnl
  251. ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
  252. [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
  253. AC_SUBST([$1_TRUE])dnl
  254. AC_SUBST([$1_FALSE])dnl
  255. _AM_SUBST_NOTMAKE([$1_TRUE])dnl
  256. _AM_SUBST_NOTMAKE([$1_FALSE])dnl
  257. m4_define([_AM_COND_VALUE_$1], [$2])dnl
  258. if $2; then
  259. $1_TRUE=
  260. $1_FALSE='#'
  261. else
  262. $1_TRUE='#'
  263. $1_FALSE=
  264. fi
  265. AC_CONFIG_COMMANDS_PRE(
  266. [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  267. AC_MSG_ERROR([[conditional "$1" was never defined.
  268. Usually this means the macro was only invoked conditionally.]])
  269. fi])])
  270. # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
  271. # Free Software Foundation, Inc.
  272. #
  273. # This file is free software; the Free Software Foundation
  274. # gives unlimited permission to copy and/or distribute it,
  275. # with or without modifications, as long as this notice is preserved.
  276. # serial 10
  277. # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
  278. # written in clear, in which case automake, when reading aclocal.m4,
  279. # will think it sees a *use*, and therefore will trigger all it's
  280. # C support machinery. Also note that it means that autoscan, seeing
  281. # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
  282. # _AM_DEPENDENCIES(NAME)
  283. # ----------------------
  284. # See how the compiler implements dependency checking.
  285. # NAME is "CC", "CXX", "GCJ", or "OBJC".
  286. # We try a few techniques and use that to set a single cache variable.
  287. #
  288. # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
  289. # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
  290. # dependency, and given that the user is not expected to run this macro,
  291. # just rely on AC_PROG_CC.
  292. AC_DEFUN([_AM_DEPENDENCIES],
  293. [AC_REQUIRE([AM_SET_DEPDIR])dnl
  294. AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
  295. AC_REQUIRE([AM_MAKE_INCLUDE])dnl
  296. AC_REQUIRE([AM_DEP_TRACK])dnl
  297. ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
  298. [$1], CXX, [depcc="$CXX" am_compiler_list=],
  299. [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
  300. [$1], UPC, [depcc="$UPC" am_compiler_list=],
  301. [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
  302. [depcc="$$1" am_compiler_list=])
  303. AC_CACHE_CHECK([dependency style of $depcc],
  304. [am_cv_$1_dependencies_compiler_type],
  305. [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  306. # We make a subdir and do the tests there. Otherwise we can end up
  307. # making bogus files that we don't know about and never remove. For
  308. # instance it was reported that on HP-UX the gcc test will end up
  309. # making a dummy file named `D' -- because `-MD' means `put the output
  310. # in D'.
  311. mkdir conftest.dir
  312. # Copy depcomp to subdir because otherwise we won't find it if we're
  313. # using a relative directory.
  314. cp "$am_depcomp" conftest.dir
  315. cd conftest.dir
  316. # We will build objects and dependencies in a subdirectory because
  317. # it helps to detect inapplicable dependency modes. For instance
  318. # both Tru64's cc and ICC support -MD to output dependencies as a
  319. # side effect of compilation, but ICC will put the dependencies in
  320. # the current directory while Tru64 will put them in the object
  321. # directory.
  322. mkdir sub
  323. am_cv_$1_dependencies_compiler_type=none
  324. if test "$am_compiler_list" = ""; then
  325. am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
  326. fi
  327. am__universal=false
  328. m4_case([$1], [CC],
  329. [case " $depcc " in #(
  330. *\ -arch\ *\ -arch\ *) am__universal=true ;;
  331. esac],
  332. [CXX],
  333. [case " $depcc " in #(
  334. *\ -arch\ *\ -arch\ *) am__universal=true ;;
  335. esac])
  336. for depmode in $am_compiler_list; do
  337. # Setup a source with many dependencies, because some compilers
  338. # like to wrap large dependency lists on column 80 (with \), and
  339. # we should not choose a depcomp mode which is confused by this.
  340. #
  341. # We need to recreate these files for each test, as the compiler may
  342. # overwrite some of them when testing with obscure command lines.
  343. # This happens at least with the AIX C compiler.
  344. : > sub/conftest.c
  345. for i in 1 2 3 4 5 6; do
  346. echo '#include "conftst'$i'.h"' >> sub/conftest.c
  347. # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
  348. # Solaris 8's {/usr,}/bin/sh.
  349. touch sub/conftst$i.h
  350. done
  351. echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  352. # We check with `-c' and `-o' for the sake of the "dashmstdout"
  353. # mode. It turns out that the SunPro C++ compiler does not properly
  354. # handle `-M -o', and we need to detect this. Also, some Intel
  355. # versions had trouble with output in subdirs
  356. am__obj=sub/conftest.${OBJEXT-o}
  357. am__minus_obj="-o $am__obj"
  358. case $depmode in
  359. gcc)
  360. # This depmode causes a compiler race in universal mode.
  361. test "$am__universal" = false || continue
  362. ;;
  363. nosideeffect)
  364. # after this tag, mechanisms are not by side-effect, so they'll
  365. # only be used when explicitly requested
  366. if test "x$enable_dependency_tracking" = xyes; then
  367. continue
  368. else
  369. break
  370. fi
  371. ;;
  372. msvisualcpp | msvcmsys)
  373. # This compiler won't grok `-c -o', but also, the minuso test has
  374. # not run yet. These depmodes are late enough in the game, and
  375. # so weak that their functioning should not be impacted.
  376. am__obj=conftest.${OBJEXT-o}
  377. am__minus_obj=
  378. ;;
  379. none) break ;;
  380. esac
  381. if depmode=$depmode \
  382. source=sub/conftest.c object=$am__obj \
  383. depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  384. $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  385. >/dev/null 2>conftest.err &&
  386. grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  387. grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  388. grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  389. ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  390. # icc doesn't choke on unknown options, it will just issue warnings
  391. # or remarks (even with -Werror). So we grep stderr for any message
  392. # that says an option was ignored or not supported.
  393. # When given -MP, icc 7.0 and 7.1 complain thusly:
  394. # icc: Command line warning: ignoring option '-M'; no argument required
  395. # The diagnosis changed in icc 8.0:
  396. # icc: Command line remark: option '-MP' not supported
  397. if (grep 'ignoring option' conftest.err ||
  398. grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  399. am_cv_$1_dependencies_compiler_type=$depmode
  400. break
  401. fi
  402. fi
  403. done
  404. cd ..
  405. rm -rf conftest.dir
  406. else
  407. am_cv_$1_dependencies_compiler_type=none
  408. fi
  409. ])
  410. AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
  411. AM_CONDITIONAL([am__fastdep$1], [
  412. test "x$enable_dependency_tracking" != xno \
  413. && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
  414. ])
  415. # AM_SET_DEPDIR
  416. # -------------
  417. # Choose a directory name for dependency files.
  418. # This macro is AC_REQUIREd in _AM_DEPENDENCIES
  419. AC_DEFUN([AM_SET_DEPDIR],
  420. [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  421. AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
  422. ])
  423. # AM_DEP_TRACK
  424. # ------------
  425. AC_DEFUN([AM_DEP_TRACK],
  426. [AC_ARG_ENABLE(dependency-tracking,
  427. [ --disable-dependency-tracking speeds up one-time build
  428. --enable-dependency-tracking do not reject slow dependency extractors])
  429. if test "x$enable_dependency_tracking" != xno; then
  430. am_depcomp="$ac_aux_dir/depcomp"
  431. AMDEPBACKSLASH='\'
  432. fi
  433. AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
  434. AC_SUBST([AMDEPBACKSLASH])dnl
  435. _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  436. ])
  437. # Generate code to set up dependency tracking. -*- Autoconf -*-
  438. # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
  439. # Free Software Foundation, Inc.
  440. #
  441. # This file is free software; the Free Software Foundation
  442. # gives unlimited permission to copy and/or distribute it,
  443. # with or without modifications, as long as this notice is preserved.
  444. #serial 5
  445. # _AM_OUTPUT_DEPENDENCY_COMMANDS
  446. # ------------------------------
  447. AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  448. [{
  449. # Autoconf 2.62 quotes --file arguments for eval, but not when files
  450. # are listed without --file. Let's play safe and only enable the eval
  451. # if we detect the quoting.
  452. case $CONFIG_FILES in
  453. *\'*) eval set x "$CONFIG_FILES" ;;
  454. *) set x $CONFIG_FILES ;;
  455. esac
  456. shift
  457. for mf
  458. do
  459. # Strip MF so we end up with the name of the file.
  460. mf=`echo "$mf" | sed -e 's/:.*$//'`
  461. # Check whether this is an Automake generated Makefile or not.
  462. # We used to match only the files named `Makefile.in', but
  463. # some people rename them; so instead we look at the file content.
  464. # Grep'ing the first line is not enough: some people post-process
  465. # each Makefile.in and add a new line on top of each file to say so.
  466. # Grep'ing the whole file is not good either: AIX grep has a line
  467. # limit of 2048, but all sed's we know have understand at least 4000.
  468. if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
  469. dirpart=`AS_DIRNAME("$mf")`
  470. else
  471. continue
  472. fi
  473. # Extract the definition of DEPDIR, am__include, and am__quote
  474. # from the Makefile without running `make'.
  475. DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
  476. test -z "$DEPDIR" && continue
  477. am__include=`sed -n 's/^am__include = //p' < "$mf"`
  478. test -z "am__include" && continue
  479. am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
  480. # When using ansi2knr, U may be empty or an underscore; expand it
  481. U=`sed -n 's/^U = //p' < "$mf"`
  482. # Find all dependency output files, they are included files with
  483. # $(DEPDIR) in their names. We invoke sed twice because it is the
  484. # simplest approach to changing $(DEPDIR) to its actual value in the
  485. # expansion.
  486. for file in `sed -n "
  487. s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
  488. sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
  489. # Make sure the directory exists.
  490. test -f "$dirpart/$file" && continue
  491. fdir=`AS_DIRNAME(["$file"])`
  492. AS_MKDIR_P([$dirpart/$fdir])
  493. # echo "creating $dirpart/$file"
  494. echo '# dummy' > "$dirpart/$file"
  495. done
  496. done
  497. }
  498. ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  499. # AM_OUTPUT_DEPENDENCY_COMMANDS
  500. # -----------------------------
  501. # This macro should only be invoked once -- use via AC_REQUIRE.
  502. #
  503. # This code is only required when automatic dependency tracking
  504. # is enabled. FIXME. This creates each `.P' file that we will
  505. # need in order to bootstrap the dependency handling code.
  506. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  507. [AC_CONFIG_COMMANDS([depfiles],
  508. [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  509. [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
  510. ])
  511. # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
  512. # Free Software Foundation, Inc.
  513. #
  514. # This file is free software; the Free Software Foundation
  515. # gives unlimited permission to copy and/or distribute it,
  516. # with or without modifications, as long as this notice is preserved.
  517. # serial 8
  518. # AM_CONFIG_HEADER is obsolete. It has been replaced by AC_CONFIG_HEADERS.
  519. AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
  520. # Do all the work for Automake. -*- Autoconf -*-
  521. # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
  522. # 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
  523. #
  524. # This file is free software; the Free Software Foundation
  525. # gives unlimited permission to copy and/or distribute it,
  526. # with or without modifications, as long as this notice is preserved.
  527. # serial 16
  528. # This macro actually does too much. Some checks are only needed if
  529. # your package does certain things. But this isn't really a big deal.
  530. # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  531. # AM_INIT_AUTOMAKE([OPTIONS])
  532. # -----------------------------------------------
  533. # The call with PACKAGE and VERSION arguments is the old style
  534. # call (pre autoconf-2.50), which is being phased out. PACKAGE
  535. # and VERSION should now be passed to AC_INIT and removed from
  536. # the call to AM_INIT_AUTOMAKE.
  537. # We support both call styles for the transition. After
  538. # the next Automake release, Autoconf can make the AC_INIT
  539. # arguments mandatory, and then we can depend on a new Autoconf
  540. # release and drop the old call support.
  541. AC_DEFUN([AM_INIT_AUTOMAKE],
  542. [AC_PREREQ([2.62])dnl
  543. dnl Autoconf wants to disallow AM_ names. We explicitly allow
  544. dnl the ones we care about.
  545. m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  546. AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  547. AC_REQUIRE([AC_PROG_INSTALL])dnl
  548. if test "`cd $srcdir && pwd`" != "`pwd`"; then
  549. # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  550. # is not polluted with repeated "-I."
  551. AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  552. # test to see if srcdir already configured
  553. if test -f $srcdir/config.status; then
  554. AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  555. fi
  556. fi
  557. # test whether we have cygpath
  558. if test -z "$CYGPATH_W"; then
  559. if (cygpath --version) >/dev/null 2>/dev/null; then
  560. CYGPATH_W='cygpath -w'
  561. else
  562. CYGPATH_W=echo
  563. fi
  564. fi
  565. AC_SUBST([CYGPATH_W])
  566. # Define the identity of the package.
  567. dnl Distinguish between old-style and new-style calls.
  568. m4_ifval([$2],
  569. [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  570. AC_SUBST([PACKAGE], [$1])dnl
  571. AC_SUBST([VERSION], [$2])],
  572. [_AM_SET_OPTIONS([$1])dnl
  573. dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  574. m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
  575. [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  576. AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  577. AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  578. _AM_IF_OPTION([no-define],,
  579. [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
  580. AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
  581. # Some tools Automake needs.
  582. AC_REQUIRE([AM_SANITY_CHECK])dnl
  583. AC_REQUIRE([AC_ARG_PROGRAM])dnl
  584. AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
  585. AM_MISSING_PROG(AUTOCONF, autoconf)
  586. AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
  587. AM_MISSING_PROG(AUTOHEADER, autoheader)
  588. AM_MISSING_PROG(MAKEINFO, makeinfo)
  589. AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  590. AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  591. AC_REQUIRE([AM_PROG_MKDIR_P])dnl
  592. # We need awk for the "check" target. The system "awk" is bad on
  593. # some platforms.
  594. AC_REQUIRE([AC_PROG_AWK])dnl
  595. AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  596. AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  597. _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  598. [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  599. [_AM_PROG_TAR([v7])])])
  600. _AM_IF_OPTION([no-dependencies],,
  601. [AC_PROVIDE_IFELSE([AC_PROG_CC],
  602. [_AM_DEPENDENCIES(CC)],
  603. [define([AC_PROG_CC],
  604. defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
  605. AC_PROVIDE_IFELSE([AC_PROG_CXX],
  606. [_AM_DEPENDENCIES(CXX)],
  607. [define([AC_PROG_CXX],
  608. defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
  609. AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  610. [_AM_DEPENDENCIES(OBJC)],
  611. [define([AC_PROG_OBJC],
  612. defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
  613. ])
  614. _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
  615. dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
  616. dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
  617. dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
  618. AC_CONFIG_COMMANDS_PRE(dnl
  619. [m4_provide_if([_AM_COMPILER_EXEEXT],
  620. [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  621. ])
  622. dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
  623. dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  624. dnl mangled by Autoconf and run in a shell conditional statement.
  625. m4_define([_AC_COMPILER_EXEEXT],
  626. m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
  627. # When config.status generates a header, we must update the stamp-h file.
  628. # This file resides in the same directory as the config header
  629. # that is generated. The stamp files are numbered to have different names.
  630. # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
  631. # loop where config.status creates the headers, so we can generate
  632. # our stamp files there.
  633. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
  634. [# Compute $1's index in $config_headers.
  635. _am_arg=$1
  636. _am_stamp_count=1
  637. for _am_header in $config_headers :; do
  638. case $_am_header in
  639. $_am_arg | $_am_arg:* )
  640. break ;;
  641. * )
  642. _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  643. esac
  644. done
  645. echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  646. # Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
  647. #
  648. # This file is free software; the Free Software Foundation
  649. # gives unlimited permission to copy and/or distribute it,
  650. # with or without modifications, as long as this notice is preserved.
  651. # AM_PROG_INSTALL_SH
  652. # ------------------
  653. # Define $install_sh.
  654. AC_DEFUN([AM_PROG_INSTALL_SH],
  655. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  656. if test x"${install_sh}" != xset; then
  657. case $am_aux_dir in
  658. *\ * | *\ *)
  659. install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  660. *)
  661. install_sh="\${SHELL} $am_aux_dir/install-sh"
  662. esac
  663. fi
  664. AC_SUBST(install_sh)])
  665. # Copyright (C) 2003, 2005 Free Software Foundation, Inc.
  666. #
  667. # This file is free software; the Free Software Foundation
  668. # gives unlimited permission to copy and/or distribute it,
  669. # with or without modifications, as long as this notice is preserved.
  670. # serial 2
  671. # Check whether the underlying file-system supports filenames
  672. # with a leading dot. For instance MS-DOS doesn't.
  673. AC_DEFUN([AM_SET_LEADING_DOT],
  674. [rm -rf .tst 2>/dev/null
  675. mkdir .tst 2>/dev/null
  676. if test -d .tst; then
  677. am__leading_dot=.
  678. else
  679. am__leading_dot=_
  680. fi
  681. rmdir .tst 2>/dev/null
  682. AC_SUBST([am__leading_dot])])
  683. # Check to see how 'make' treats includes. -*- Autoconf -*-
  684. # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
  685. #
  686. # This file is free software; the Free Software Foundation
  687. # gives unlimited permission to copy and/or distribute it,
  688. # with or without modifications, as long as this notice is preserved.
  689. # serial 4
  690. # AM_MAKE_INCLUDE()
  691. # -----------------
  692. # Check to see how make treats includes.
  693. AC_DEFUN([AM_MAKE_INCLUDE],
  694. [am_make=${MAKE-make}
  695. cat > confinc << 'END'
  696. am__doit:
  697. @echo this is the am__doit target
  698. .PHONY: am__doit
  699. END
  700. # If we don't find an include directive, just comment out the code.
  701. AC_MSG_CHECKING([for style of include used by $am_make])
  702. am__include="#"
  703. am__quote=
  704. _am_result=none
  705. # First try GNU make style include.
  706. echo "include confinc" > confmf
  707. # Ignore all kinds of additional output from `make'.
  708. case `$am_make -s -f confmf 2> /dev/null` in #(
  709. *the\ am__doit\ target*)
  710. am__include=include
  711. am__quote=
  712. _am_result=GNU
  713. ;;
  714. esac
  715. # Now try BSD make style include.
  716. if test "$am__include" = "#"; then
  717. echo '.include "confinc"' > confmf
  718. case `$am_make -s -f confmf 2> /dev/null` in #(
  719. *the\ am__doit\ target*)
  720. am__include=.include
  721. am__quote="\""
  722. _am_result=BSD
  723. ;;
  724. esac
  725. fi
  726. AC_SUBST([am__include])
  727. AC_SUBST([am__quote])
  728. AC_MSG_RESULT([$_am_result])
  729. rm -f confinc confmf
  730. ])
  731. # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
  732. # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
  733. # Free Software Foundation, Inc.
  734. #
  735. # This file is free software; the Free Software Foundation
  736. # gives unlimited permission to copy and/or distribute it,
  737. # with or without modifications, as long as this notice is preserved.
  738. # serial 6
  739. # AM_MISSING_PROG(NAME, PROGRAM)
  740. # ------------------------------
  741. AC_DEFUN([AM_MISSING_PROG],
  742. [AC_REQUIRE([AM_MISSING_HAS_RUN])
  743. $1=${$1-"${am_missing_run}$2"}
  744. AC_SUBST($1)])
  745. # AM_MISSING_HAS_RUN
  746. # ------------------
  747. # Define MISSING if not defined so far and test if it supports --run.
  748. # If it does, set am_missing_run to use it, otherwise, to nothing.
  749. AC_DEFUN([AM_MISSING_HAS_RUN],
  750. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  751. AC_REQUIRE_AUX_FILE([missing])dnl
  752. if test x"${MISSING+set}" != xset; then
  753. case $am_aux_dir in
  754. *\ * | *\ *)
  755. MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
  756. *)
  757. MISSING="\${SHELL} $am_aux_dir/missing" ;;
  758. esac
  759. fi
  760. # Use eval to expand $SHELL
  761. if eval "$MISSING --run true"; then
  762. am_missing_run="$MISSING --run "
  763. else
  764. am_missing_run=
  765. AC_MSG_WARN([`missing' script is too old or missing])
  766. fi
  767. ])
  768. # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
  769. #
  770. # This file is free software; the Free Software Foundation
  771. # gives unlimited permission to copy and/or distribute it,
  772. # with or without modifications, as long as this notice is preserved.
  773. # AM_PROG_MKDIR_P
  774. # ---------------
  775. # Check for `mkdir -p'.
  776. AC_DEFUN([AM_PROG_MKDIR_P],
  777. [AC_PREREQ([2.60])dnl
  778. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  779. dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
  780. dnl while keeping a definition of mkdir_p for backward compatibility.
  781. dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
  782. dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
  783. dnl Makefile.ins that do not define MKDIR_P, so we do our own
  784. dnl adjustment using top_builddir (which is defined more often than
  785. dnl MKDIR_P).
  786. AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
  787. case $mkdir_p in
  788. [[\\/$]]* | ?:[[\\/]]*) ;;
  789. */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
  790. esac
  791. ])
  792. # Helper functions for option handling. -*- Autoconf -*-
  793. # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
  794. #
  795. # This file is free software; the Free Software Foundation
  796. # gives unlimited permission to copy and/or distribute it,
  797. # with or without modifications, as long as this notice is preserved.
  798. # serial 4
  799. # _AM_MANGLE_OPTION(NAME)
  800. # -----------------------
  801. AC_DEFUN([_AM_MANGLE_OPTION],
  802. [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  803. # _AM_SET_OPTION(NAME)
  804. # ------------------------------
  805. # Set option NAME. Presently that only means defining a flag for this option.
  806. AC_DEFUN([_AM_SET_OPTION],
  807. [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
  808. # _AM_SET_OPTIONS(OPTIONS)
  809. # ----------------------------------
  810. # OPTIONS is a space-separated list of Automake options.
  811. AC_DEFUN([_AM_SET_OPTIONS],
  812. [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  813. # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  814. # -------------------------------------------
  815. # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  816. AC_DEFUN([_AM_IF_OPTION],
  817. [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  818. # Check to make sure that the build environment is sane. -*- Autoconf -*-
  819. # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
  820. # Free Software Foundation, Inc.
  821. #
  822. # This file is free software; the Free Software Foundation
  823. # gives unlimited permission to copy and/or distribute it,
  824. # with or without modifications, as long as this notice is preserved.
  825. # serial 5
  826. # AM_SANITY_CHECK
  827. # ---------------
  828. AC_DEFUN([AM_SANITY_CHECK],
  829. [AC_MSG_CHECKING([whether build environment is sane])
  830. # Just in case
  831. sleep 1
  832. echo timestamp > conftest.file
  833. # Reject unsafe characters in $srcdir or the absolute working directory
  834. # name. Accept space and tab only in the latter.
  835. am_lf='
  836. '
  837. case `pwd` in
  838. *[[\\\"\#\$\&\'\`$am_lf]]*)
  839. AC_MSG_ERROR([unsafe absolute working directory name]);;
  840. esac
  841. case $srcdir in
  842. *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
  843. AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
  844. esac
  845. # Do `set' in a subshell so we don't clobber the current shell's
  846. # arguments. Must try -L first in case configure is actually a
  847. # symlink; some systems play weird games with the mod time of symlinks
  848. # (eg FreeBSD returns the mod time of the symlink's containing
  849. # directory).
  850. if (
  851. set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  852. if test "$[*]" = "X"; then
  853. # -L didn't work.
  854. set X `ls -t "$srcdir/configure" conftest.file`
  855. fi
  856. rm -f conftest.file
  857. if test "$[*]" != "X $srcdir/configure conftest.file" \
  858. && test "$[*]" != "X conftest.file $srcdir/configure"; then
  859. # If neither matched, then we have a broken ls. This can happen
  860. # if, for instance, CONFIG_SHELL is bash and it inherits a
  861. # broken ls alias from the environment. This has actually
  862. # happened. Such a system could not be considered "sane".
  863. AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
  864. alias in your environment])
  865. fi
  866. test "$[2]" = conftest.file
  867. )
  868. then
  869. # Ok.
  870. :
  871. else
  872. AC_MSG_ERROR([newly created file is older than distributed files!
  873. Check your system clock])
  874. fi
  875. AC_MSG_RESULT(yes)])
  876. # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
  877. #
  878. # This file is free software; the Free Software Foundation
  879. # gives unlimited permission to copy and/or distribute it,
  880. # with or without modifications, as long as this notice is preserved.
  881. # AM_PROG_INSTALL_STRIP
  882. # ---------------------
  883. # One issue with vendor `install' (even GNU) is that you can't
  884. # specify the program used to strip binaries. This is especially
  885. # annoying in cross-compiling environments, where the build's strip
  886. # is unlikely to handle the host's binaries.
  887. # Fortunately install-sh will honor a STRIPPROG variable, so we
  888. # always use install-sh in `make install-strip', and initialize
  889. # STRIPPROG with the value of the STRIP variable (set by the user).
  890. AC_DEFUN([AM_PROG_INSTALL_STRIP],
  891. [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  892. # Installed binaries are usually stripped using `strip' when the user
  893. # run `make install-strip'. However `strip' might not be the right
  894. # tool to use in cross-compilation environments, therefore Automake
  895. # will honor the `STRIP' environment variable to overrule this program.
  896. dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
  897. if test "$cross_compiling" != no; then
  898. AC_CHECK_TOOL([STRIP], [strip], :)
  899. fi
  900. INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  901. AC_SUBST([INSTALL_STRIP_PROGRAM])])
  902. # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
  903. #
  904. # This file is free software; the Free Software Foundation
  905. # gives unlimited permission to copy and/or distribute it,
  906. # with or without modifications, as long as this notice is preserved.
  907. # serial 2
  908. # _AM_SUBST_NOTMAKE(VARIABLE)
  909. # ---------------------------
  910. # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  911. # This macro is traced by Automake.
  912. AC_DEFUN([_AM_SUBST_NOTMAKE])
  913. # AM_SUBST_NOTMAKE(VARIABLE)
  914. # ---------------------------
  915. # Public sister of _AM_SUBST_NOTMAKE.
  916. AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  917. # Check how to create a tarball. -*- Autoconf -*-
  918. # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
  919. #
  920. # This file is free software; the Free Software Foundation
  921. # gives unlimited permission to copy and/or distribute it,
  922. # with or without modifications, as long as this notice is preserved.
  923. # serial 2
  924. # _AM_PROG_TAR(FORMAT)
  925. # --------------------
  926. # Check how to create a tarball in format FORMAT.
  927. # FORMAT should be one of `v7', `ustar', or `pax'.
  928. #
  929. # Substitute a variable $(am__tar) that is a command
  930. # writing to stdout a FORMAT-tarball containing the directory
  931. # $tardir.
  932. # tardir=directory && $(am__tar) > result.tar
  933. #
  934. # Substitute a variable $(am__untar) that extract such
  935. # a tarball read from stdin.
  936. # $(am__untar) < result.tar
  937. AC_DEFUN([_AM_PROG_TAR],
  938. [# Always define AMTAR for backward compatibility.
  939. AM_MISSING_PROG([AMTAR], [tar])
  940. m4_if([$1], [v7],
  941. [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
  942. [m4_case([$1], [ustar],, [pax],,
  943. [m4_fatal([Unknown tar format])])
  944. AC_MSG_CHECKING([how to create a $1 tar archive])
  945. # Loop over all known methods to create a tar archive until one works.
  946. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  947. _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  948. # Do not fold the above two line into one, because Tru64 sh and
  949. # Solaris sh will not grok spaces in the rhs of `-'.
  950. for _am_tool in $_am_tools
  951. do
  952. case $_am_tool in
  953. gnutar)
  954. for _am_tar in tar gnutar gtar;
  955. do
  956. AM_RUN_LOG([$_am_tar --version]) && break
  957. done
  958. am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  959. am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  960. am__untar="$_am_tar -xf -"
  961. ;;
  962. plaintar)
  963. # Must skip GNU tar: if it does not support --format= it doesn't create
  964. # ustar tarball either.
  965. (tar --version) >/dev/null 2>&1 && continue
  966. am__tar='tar chf - "$$tardir"'
  967. am__tar_='tar chf - "$tardir"'
  968. am__untar='tar xf -'
  969. ;;
  970. pax)
  971. am__tar='pax -L -x $1 -w "$$tardir"'
  972. am__tar_='pax -L -x $1 -w "$tardir"'
  973. am__untar='pax -r'
  974. ;;
  975. cpio)
  976. am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  977. am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  978. am__untar='cpio -i -H $1 -d'
  979. ;;
  980. none)
  981. am__tar=false
  982. am__tar_=false
  983. am__untar=false
  984. ;;
  985. esac
  986. # If the value was cached, stop now. We just wanted to have am__tar
  987. # and am__untar set.
  988. test -n "${am_cv_prog_tar_$1}" && break
  989. # tar/untar a dummy directory, and stop if the command works
  990. rm -rf conftest.dir
  991. mkdir conftest.dir
  992. echo GrepMe > conftest.dir/file
  993. AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  994. rm -rf conftest.dir
  995. if test -s conftest.tar; then
  996. AM_RUN_LOG([$am__untar <conftest.tar])
  997. grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  998. fi
  999. done
  1000. rm -rf conftest.dir
  1001. AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  1002. AC_MSG_RESULT([$am_cv_prog_tar_$1])])
  1003. AC_SUBST([am__tar])
  1004. AC_SUBST([am__untar])
  1005. ]) # _AM_PROG_TAR