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aclocal.m4 46 KB

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  1. # generated automatically by aclocal 1.15 -*- Autoconf -*-
  2. # Copyright (C) 1996-2014 Free Software Foundation, Inc.
  3. # This file is free software; the Free Software Foundation
  4. # gives unlimited permission to copy and/or distribute it,
  5. # with or without modifications, as long as this notice is preserved.
  6. # This program is distributed in the hope that it will be useful,
  7. # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  8. # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  9. # PARTICULAR PURPOSE.
  10. m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
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  18. # Copyright (C) 2002-2014 Free Software Foundation, Inc.
  19. #
  20. # This file is free software; the Free Software Foundation
  21. # gives unlimited permission to copy and/or distribute it,
  22. # with or without modifications, as long as this notice is preserved.
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  50. # Copyright (C) 2011-2014 Free Software Foundation, Inc.
  51. #
  52. # This file is free software; the Free Software Foundation
  53. # gives unlimited permission to copy and/or distribute it,
  54. # with or without modifications, as long as this notice is preserved.
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  106. # AM_AUX_DIR_EXPAND -*- Autoconf -*-
  107. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  108. #
  109. # This file is free software; the Free Software Foundation
  110. # gives unlimited permission to copy and/or distribute it,
  111. # with or without modifications, as long as this notice is preserved.
  112. # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
  113. # $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to
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  125. # fails when called from a subdirectory if $ac_aux_dir is relative
  126. # $top_srcdir/$ac_aux_dir/missing
  127. # fails if $ac_aux_dir is absolute,
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  130. #
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  135. #
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  154. # AM_CONDITIONAL -*- Autoconf -*-
  155. # Copyright (C) 1997-2014 Free Software Foundation, Inc.
  156. #
  157. # This file is free software; the Free Software Foundation
  158. # gives unlimited permission to copy and/or distribute it,
  159. # with or without modifications, as long as this notice is preserved.
  160. # AM_CONDITIONAL(NAME, SHELL-CONDITION)
  161. # -------------------------------------
  162. # Define a conditional.
  163. AC_DEFUN([AM_CONDITIONAL],
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  165. m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
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  168. AC_SUBST([$1_FALSE])dnl
  169. _AM_SUBST_NOTMAKE([$1_TRUE])dnl
  170. _AM_SUBST_NOTMAKE([$1_FALSE])dnl
  171. m4_define([_AM_COND_VALUE_$1], [$2])dnl
  172. if $2; then
  173. $1_TRUE=
  174. $1_FALSE='#'
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  176. $1_TRUE='#'
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  178. fi
  179. AC_CONFIG_COMMANDS_PRE(
  180. [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  181. AC_MSG_ERROR([[conditional "$1" was never defined.
  182. Usually this means the macro was only invoked conditionally.]])
  183. fi])])
  184. # Copyright (C) 1999-2014 Free Software Foundation, Inc.
  185. #
  186. # This file is free software; the Free Software Foundation
  187. # gives unlimited permission to copy and/or distribute it,
  188. # with or without modifications, as long as this notice is preserved.
  189. # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
  190. # written in clear, in which case automake, when reading aclocal.m4,
  191. # will think it sees a *use*, and therefore will trigger all it's
  192. # C support machinery. Also note that it means that autoscan, seeing
  193. # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
  194. # _AM_DEPENDENCIES(NAME)
  195. # ----------------------
  196. # See how the compiler implements dependency checking.
  197. # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
  198. # We try a few techniques and use that to set a single cache variable.
  199. #
  200. # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
  201. # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
  202. # dependency, and given that the user is not expected to run this macro,
  203. # just rely on AC_PROG_CC.
  204. AC_DEFUN([_AM_DEPENDENCIES],
  205. [AC_REQUIRE([AM_SET_DEPDIR])dnl
  206. AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
  207. AC_REQUIRE([AM_MAKE_INCLUDE])dnl
  208. AC_REQUIRE([AM_DEP_TRACK])dnl
  209. m4_if([$1], [CC], [depcc="$CC" am_compiler_list=],
  210. [$1], [CXX], [depcc="$CXX" am_compiler_list=],
  211. [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
  212. [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
  213. [$1], [UPC], [depcc="$UPC" am_compiler_list=],
  214. [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
  215. [depcc="$$1" am_compiler_list=])
  216. AC_CACHE_CHECK([dependency style of $depcc],
  217. [am_cv_$1_dependencies_compiler_type],
  218. [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  219. # We make a subdir and do the tests there. Otherwise we can end up
  220. # making bogus files that we don't know about and never remove. For
  221. # instance it was reported that on HP-UX the gcc test will end up
  222. # making a dummy file named 'D' -- because '-MD' means "put the output
  223. # in D".
  224. rm -rf conftest.dir
  225. mkdir conftest.dir
  226. # Copy depcomp to subdir because otherwise we won't find it if we're
  227. # using a relative directory.
  228. cp "$am_depcomp" conftest.dir
  229. cd conftest.dir
  230. # We will build objects and dependencies in a subdirectory because
  231. # it helps to detect inapplicable dependency modes. For instance
  232. # both Tru64's cc and ICC support -MD to output dependencies as a
  233. # side effect of compilation, but ICC will put the dependencies in
  234. # the current directory while Tru64 will put them in the object
  235. # directory.
  236. mkdir sub
  237. am_cv_$1_dependencies_compiler_type=none
  238. if test "$am_compiler_list" = ""; then
  239. am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
  240. fi
  241. am__universal=false
  242. m4_case([$1], [CC],
  243. [case " $depcc " in #(
  244. *\ -arch\ *\ -arch\ *) am__universal=true ;;
  245. esac],
  246. [CXX],
  247. [case " $depcc " in #(
  248. *\ -arch\ *\ -arch\ *) am__universal=true ;;
  249. esac])
  250. for depmode in $am_compiler_list; do
  251. # Setup a source with many dependencies, because some compilers
  252. # like to wrap large dependency lists on column 80 (with \), and
  253. # we should not choose a depcomp mode which is confused by this.
  254. #
  255. # We need to recreate these files for each test, as the compiler may
  256. # overwrite some of them when testing with obscure command lines.
  257. # This happens at least with the AIX C compiler.
  258. : > sub/conftest.c
  259. for i in 1 2 3 4 5 6; do
  260. echo '#include "conftst'$i'.h"' >> sub/conftest.c
  261. # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
  262. # Solaris 10 /bin/sh.
  263. echo '/* dummy */' > sub/conftst$i.h
  264. done
  265. echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  266. # We check with '-c' and '-o' for the sake of the "dashmstdout"
  267. # mode. It turns out that the SunPro C++ compiler does not properly
  268. # handle '-M -o', and we need to detect this. Also, some Intel
  269. # versions had trouble with output in subdirs.
  270. am__obj=sub/conftest.${OBJEXT-o}
  271. am__minus_obj="-o $am__obj"
  272. case $depmode in
  273. gcc)
  274. # This depmode causes a compiler race in universal mode.
  275. test "$am__universal" = false || continue
  276. ;;
  277. nosideeffect)
  278. # After this tag, mechanisms are not by side-effect, so they'll
  279. # only be used when explicitly requested.
  280. if test "x$enable_dependency_tracking" = xyes; then
  281. continue
  282. else
  283. break
  284. fi
  285. ;;
  286. msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  287. # This compiler won't grok '-c -o', but also, the minuso test has
  288. # not run yet. These depmodes are late enough in the game, and
  289. # so weak that their functioning should not be impacted.
  290. am__obj=conftest.${OBJEXT-o}
  291. am__minus_obj=
  292. ;;
  293. none) break ;;
  294. esac
  295. if depmode=$depmode \
  296. source=sub/conftest.c object=$am__obj \
  297. depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  298. $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  299. >/dev/null 2>conftest.err &&
  300. grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  301. grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  302. grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  303. ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  304. # icc doesn't choke on unknown options, it will just issue warnings
  305. # or remarks (even with -Werror). So we grep stderr for any message
  306. # that says an option was ignored or not supported.
  307. # When given -MP, icc 7.0 and 7.1 complain thusly:
  308. # icc: Command line warning: ignoring option '-M'; no argument required
  309. # The diagnosis changed in icc 8.0:
  310. # icc: Command line remark: option '-MP' not supported
  311. if (grep 'ignoring option' conftest.err ||
  312. grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  313. am_cv_$1_dependencies_compiler_type=$depmode
  314. break
  315. fi
  316. fi
  317. done
  318. cd ..
  319. rm -rf conftest.dir
  320. else
  321. am_cv_$1_dependencies_compiler_type=none
  322. fi
  323. ])
  324. AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
  325. AM_CONDITIONAL([am__fastdep$1], [
  326. test "x$enable_dependency_tracking" != xno \
  327. && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
  328. ])
  329. # AM_SET_DEPDIR
  330. # -------------
  331. # Choose a directory name for dependency files.
  332. # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
  333. AC_DEFUN([AM_SET_DEPDIR],
  334. [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  335. AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
  336. ])
  337. # AM_DEP_TRACK
  338. # ------------
  339. AC_DEFUN([AM_DEP_TRACK],
  340. [AC_ARG_ENABLE([dependency-tracking], [dnl
  341. AS_HELP_STRING(
  342. [--enable-dependency-tracking],
  343. [do not reject slow dependency extractors])
  344. AS_HELP_STRING(
  345. [--disable-dependency-tracking],
  346. [speeds up one-time build])])
  347. if test "x$enable_dependency_tracking" != xno; then
  348. am_depcomp="$ac_aux_dir/depcomp"
  349. AMDEPBACKSLASH='\'
  350. am__nodep='_no'
  351. fi
  352. AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
  353. AC_SUBST([AMDEPBACKSLASH])dnl
  354. _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  355. AC_SUBST([am__nodep])dnl
  356. _AM_SUBST_NOTMAKE([am__nodep])dnl
  357. ])
  358. # Generate code to set up dependency tracking. -*- Autoconf -*-
  359. # Copyright (C) 1999-2014 Free Software Foundation, Inc.
  360. #
  361. # This file is free software; the Free Software Foundation
  362. # gives unlimited permission to copy and/or distribute it,
  363. # with or without modifications, as long as this notice is preserved.
  364. # _AM_OUTPUT_DEPENDENCY_COMMANDS
  365. # ------------------------------
  366. AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  367. [{
  368. # Older Autoconf quotes --file arguments for eval, but not when files
  369. # are listed without --file. Let's play safe and only enable the eval
  370. # if we detect the quoting.
  371. case $CONFIG_FILES in
  372. *\'*) eval set x "$CONFIG_FILES" ;;
  373. *) set x $CONFIG_FILES ;;
  374. esac
  375. shift
  376. for mf
  377. do
  378. # Strip MF so we end up with the name of the file.
  379. mf=`echo "$mf" | sed -e 's/:.*$//'`
  380. # Check whether this is an Automake generated Makefile or not.
  381. # We used to match only the files named 'Makefile.in', but
  382. # some people rename them; so instead we look at the file content.
  383. # Grep'ing the first line is not enough: some people post-process
  384. # each Makefile.in and add a new line on top of each file to say so.
  385. # Grep'ing the whole file is not good either: AIX grep has a line
  386. # limit of 2048, but all sed's we know have understand at least 4000.
  387. if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
  388. dirpart=`AS_DIRNAME("$mf")`
  389. else
  390. continue
  391. fi
  392. # Extract the definition of DEPDIR, am__include, and am__quote
  393. # from the Makefile without running 'make'.
  394. DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
  395. test -z "$DEPDIR" && continue
  396. am__include=`sed -n 's/^am__include = //p' < "$mf"`
  397. test -z "$am__include" && continue
  398. am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
  399. # Find all dependency output files, they are included files with
  400. # $(DEPDIR) in their names. We invoke sed twice because it is the
  401. # simplest approach to changing $(DEPDIR) to its actual value in the
  402. # expansion.
  403. for file in `sed -n "
  404. s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
  405. sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
  406. # Make sure the directory exists.
  407. test -f "$dirpart/$file" && continue
  408. fdir=`AS_DIRNAME(["$file"])`
  409. AS_MKDIR_P([$dirpart/$fdir])
  410. # echo "creating $dirpart/$file"
  411. echo '# dummy' > "$dirpart/$file"
  412. done
  413. done
  414. }
  415. ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  416. # AM_OUTPUT_DEPENDENCY_COMMANDS
  417. # -----------------------------
  418. # This macro should only be invoked once -- use via AC_REQUIRE.
  419. #
  420. # This code is only required when automatic dependency tracking
  421. # is enabled. FIXME. This creates each '.P' file that we will
  422. # need in order to bootstrap the dependency handling code.
  423. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  424. [AC_CONFIG_COMMANDS([depfiles],
  425. [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  426. [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
  427. ])
  428. # Copyright (C) 1996-2014 Free Software Foundation, Inc.
  429. #
  430. # This file is free software; the Free Software Foundation
  431. # gives unlimited permission to copy and/or distribute it,
  432. # with or without modifications, as long as this notice is preserved.
  433. AC_DEFUN([AM_WITH_DMALLOC],
  434. [AC_MSG_CHECKING([if malloc debugging is wanted])
  435. AC_ARG_WITH([dmalloc],
  436. [AS_HELP_STRING([--with-dmalloc],
  437. [use dmalloc, as in http://www.dmalloc.com])],
  438. [if test "$withval" = yes; then
  439. AC_MSG_RESULT([yes])
  440. AC_DEFINE([WITH_DMALLOC], [1],
  441. [Define if using the dmalloc debugging malloc package])
  442. LIBS="$LIBS -ldmalloc"
  443. LDFLAGS="$LDFLAGS -g"
  444. else
  445. AC_MSG_RESULT([no])
  446. fi], [AC_MSG_RESULT([no])])
  447. ])
  448. # Do all the work for Automake. -*- Autoconf -*-
  449. # Copyright (C) 1996-2014 Free Software Foundation, Inc.
  450. #
  451. # This file is free software; the Free Software Foundation
  452. # gives unlimited permission to copy and/or distribute it,
  453. # with or without modifications, as long as this notice is preserved.
  454. # This macro actually does too much. Some checks are only needed if
  455. # your package does certain things. But this isn't really a big deal.
  456. dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
  457. m4_define([AC_PROG_CC],
  458. m4_defn([AC_PROG_CC])
  459. [_AM_PROG_CC_C_O
  460. ])
  461. # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  462. # AM_INIT_AUTOMAKE([OPTIONS])
  463. # -----------------------------------------------
  464. # The call with PACKAGE and VERSION arguments is the old style
  465. # call (pre autoconf-2.50), which is being phased out. PACKAGE
  466. # and VERSION should now be passed to AC_INIT and removed from
  467. # the call to AM_INIT_AUTOMAKE.
  468. # We support both call styles for the transition. After
  469. # the next Automake release, Autoconf can make the AC_INIT
  470. # arguments mandatory, and then we can depend on a new Autoconf
  471. # release and drop the old call support.
  472. AC_DEFUN([AM_INIT_AUTOMAKE],
  473. [AC_PREREQ([2.65])dnl
  474. dnl Autoconf wants to disallow AM_ names. We explicitly allow
  475. dnl the ones we care about.
  476. m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  477. AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  478. AC_REQUIRE([AC_PROG_INSTALL])dnl
  479. if test "`cd $srcdir && pwd`" != "`pwd`"; then
  480. # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  481. # is not polluted with repeated "-I."
  482. AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  483. # test to see if srcdir already configured
  484. if test -f $srcdir/config.status; then
  485. AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  486. fi
  487. fi
  488. # test whether we have cygpath
  489. if test -z "$CYGPATH_W"; then
  490. if (cygpath --version) >/dev/null 2>/dev/null; then
  491. CYGPATH_W='cygpath -w'
  492. else
  493. CYGPATH_W=echo
  494. fi
  495. fi
  496. AC_SUBST([CYGPATH_W])
  497. # Define the identity of the package.
  498. dnl Distinguish between old-style and new-style calls.
  499. m4_ifval([$2],
  500. [AC_DIAGNOSE([obsolete],
  501. [$0: two- and three-arguments forms are deprecated.])
  502. m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  503. AC_SUBST([PACKAGE], [$1])dnl
  504. AC_SUBST([VERSION], [$2])],
  505. [_AM_SET_OPTIONS([$1])dnl
  506. dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  507. m4_if(
  508. m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
  509. [ok:ok],,
  510. [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  511. AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  512. AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  513. _AM_IF_OPTION([no-define],,
  514. [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
  515. AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
  516. # Some tools Automake needs.
  517. AC_REQUIRE([AM_SANITY_CHECK])dnl
  518. AC_REQUIRE([AC_ARG_PROGRAM])dnl
  519. AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
  520. AM_MISSING_PROG([AUTOCONF], [autoconf])
  521. AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
  522. AM_MISSING_PROG([AUTOHEADER], [autoheader])
  523. AM_MISSING_PROG([MAKEINFO], [makeinfo])
  524. AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  525. AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  526. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  527. # For better backward compatibility. To be removed once Automake 1.9.x
  528. # dies out for good. For more background, see:
  529. # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
  530. # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
  531. AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
  532. # We need awk for the "check" target (and possibly the TAP driver). The
  533. # system "awk" is bad on some platforms.
  534. AC_REQUIRE([AC_PROG_AWK])dnl
  535. AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  536. AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  537. _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  538. [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  539. [_AM_PROG_TAR([v7])])])
  540. _AM_IF_OPTION([no-dependencies],,
  541. [AC_PROVIDE_IFELSE([AC_PROG_CC],
  542. [_AM_DEPENDENCIES([CC])],
  543. [m4_define([AC_PROG_CC],
  544. m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
  545. AC_PROVIDE_IFELSE([AC_PROG_CXX],
  546. [_AM_DEPENDENCIES([CXX])],
  547. [m4_define([AC_PROG_CXX],
  548. m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
  549. AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  550. [_AM_DEPENDENCIES([OBJC])],
  551. [m4_define([AC_PROG_OBJC],
  552. m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
  553. AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
  554. [_AM_DEPENDENCIES([OBJCXX])],
  555. [m4_define([AC_PROG_OBJCXX],
  556. m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
  557. ])
  558. AC_REQUIRE([AM_SILENT_RULES])dnl
  559. dnl The testsuite driver may need to know about EXEEXT, so add the
  560. dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
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  562. AC_CONFIG_COMMANDS_PRE(dnl
  563. [m4_provide_if([_AM_COMPILER_EXEEXT],
  564. [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  565. # POSIX will say in a future version that running "rm -f" with no argument
  566. # is OK; and we want to be able to make that assumption in our Makefile
  567. # recipes. So use an aggressive probe to check that the usage we want is
  568. # actually supported "in the wild" to an acceptable degree.
  569. # See automake bug#10828.
  570. # To make any issue more visible, cause the running configure to be aborted
  571. # by default if the 'rm' program in use doesn't match our expectations; the
  572. # user can still override this though.
  573. if rm -f && rm -fr && rm -rf; then : OK; else
  574. cat >&2 <<'END'
  575. Oops!
  576. Your 'rm' program seems unable to run without file operands specified
  577. on the command line, even when the '-f' option is present. This is contrary
  578. to the behaviour of most rm programs out there, and not conforming with
  579. the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
  580. Please tell bug-automake@gnu.org about your system, including the value
  581. of your $PATH and any error possibly output before this message. This
  582. can help us improve future automake versions.
  583. END
  584. if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
  585. echo 'Configuration will proceed anyway, since you have set the' >&2
  586. echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
  587. echo >&2
  588. else
  589. cat >&2 <<'END'
  590. Aborting the configuration process, to ensure you take notice of the issue.
  591. You can download and install GNU coreutils to get an 'rm' implementation
  592. that behaves properly: <http://www.gnu.org/software/coreutils/>.
  593. If you want to complete the configuration process using your problematic
  594. 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
  595. to "yes", and re-run configure.
  596. END
  597. AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  598. fi
  599. fi
  600. dnl The trailing newline in this macro's definition is deliberate, for
  601. dnl backward compatibility and to allow trailing 'dnl'-style comments
  602. dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
  603. ])
  604. dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
  605. dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  606. dnl mangled by Autoconf and run in a shell conditional statement.
  607. m4_define([_AC_COMPILER_EXEEXT],
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  609. # When config.status generates a header, we must update the stamp-h file.
  610. # This file resides in the same directory as the config header
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  612. # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
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  615. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
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  617. _am_arg=$1
  618. _am_stamp_count=1
  619. for _am_header in $config_headers :; do
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  626. done
  627. echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  628. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  629. #
  630. # This file is free software; the Free Software Foundation
  631. # gives unlimited permission to copy and/or distribute it,
  632. # with or without modifications, as long as this notice is preserved.
  633. # AM_PROG_INSTALL_SH
  634. # ------------------
  635. # Define $install_sh.
  636. AC_DEFUN([AM_PROG_INSTALL_SH],
  637. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  638. if test x"${install_sh+set}" != xset; then
  639. case $am_aux_dir in
  640. *\ * | *\ *)
  641. install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  642. *)
  643. install_sh="\${SHELL} $am_aux_dir/install-sh"
  644. esac
  645. fi
  646. AC_SUBST([install_sh])])
  647. # Copyright (C) 2003-2014 Free Software Foundation, Inc.
  648. #
  649. # This file is free software; the Free Software Foundation
  650. # gives unlimited permission to copy and/or distribute it,
  651. # with or without modifications, as long as this notice is preserved.
  652. # Check whether the underlying file-system supports filenames
  653. # with a leading dot. For instance MS-DOS doesn't.
  654. AC_DEFUN([AM_SET_LEADING_DOT],
  655. [rm -rf .tst 2>/dev/null
  656. mkdir .tst 2>/dev/null
  657. if test -d .tst; then
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  659. else
  660. am__leading_dot=_
  661. fi
  662. rmdir .tst 2>/dev/null
  663. AC_SUBST([am__leading_dot])])
  664. # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
  665. # From Jim Meyering
  666. # Copyright (C) 1996-2014 Free Software Foundation, Inc.
  667. #
  668. # This file is free software; the Free Software Foundation
  669. # gives unlimited permission to copy and/or distribute it,
  670. # with or without modifications, as long as this notice is preserved.
  671. # AM_MAINTAINER_MODE([DEFAULT-MODE])
  672. # ----------------------------------
  673. # Control maintainer-specific portions of Makefiles.
  674. # Default is to disable them, unless 'enable' is passed literally.
  675. # For symmetry, 'disable' may be passed as well. Anyway, the user
  676. # can override the default with the --enable/--disable switch.
  677. AC_DEFUN([AM_MAINTAINER_MODE],
  678. [m4_case(m4_default([$1], [disable]),
  679. [enable], [m4_define([am_maintainer_other], [disable])],
  680. [disable], [m4_define([am_maintainer_other], [enable])],
  681. [m4_define([am_maintainer_other], [enable])
  682. m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
  683. AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  684. dnl maintainer-mode's default is 'disable' unless 'enable' is passed
  685. AC_ARG_ENABLE([maintainer-mode],
  686. [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
  687. am_maintainer_other[ make rules and dependencies not useful
  688. (and sometimes confusing) to the casual installer])],
  689. [USE_MAINTAINER_MODE=$enableval],
  690. [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
  691. AC_MSG_RESULT([$USE_MAINTAINER_MODE])
  692. AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
  693. MAINT=$MAINTAINER_MODE_TRUE
  694. AC_SUBST([MAINT])dnl
  695. ]
  696. )
  697. # Check to see how 'make' treats includes. -*- Autoconf -*-
  698. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  699. #
  700. # This file is free software; the Free Software Foundation
  701. # gives unlimited permission to copy and/or distribute it,
  702. # with or without modifications, as long as this notice is preserved.
  703. # AM_MAKE_INCLUDE()
  704. # -----------------
  705. # Check to see how make treats includes.
  706. AC_DEFUN([AM_MAKE_INCLUDE],
  707. [am_make=${MAKE-make}
  708. cat > confinc << 'END'
  709. am__doit:
  710. @echo this is the am__doit target
  711. .PHONY: am__doit
  712. END
  713. # If we don't find an include directive, just comment out the code.
  714. AC_MSG_CHECKING([for style of include used by $am_make])
  715. am__include="#"
  716. am__quote=
  717. _am_result=none
  718. # First try GNU make style include.
  719. echo "include confinc" > confmf
  720. # Ignore all kinds of additional output from 'make'.
  721. case `$am_make -s -f confmf 2> /dev/null` in #(
  722. *the\ am__doit\ target*)
  723. am__include=include
  724. am__quote=
  725. _am_result=GNU
  726. ;;
  727. esac
  728. # Now try BSD make style include.
  729. if test "$am__include" = "#"; then
  730. echo '.include "confinc"' > confmf
  731. case `$am_make -s -f confmf 2> /dev/null` in #(
  732. *the\ am__doit\ target*)
  733. am__include=.include
  734. am__quote="\""
  735. _am_result=BSD
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  737. esac
  738. fi
  739. AC_SUBST([am__include])
  740. AC_SUBST([am__quote])
  741. AC_MSG_RESULT([$_am_result])
  742. rm -f confinc confmf
  743. ])
  744. # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
  745. # Copyright (C) 1997-2014 Free Software Foundation, Inc.
  746. #
  747. # This file is free software; the Free Software Foundation
  748. # gives unlimited permission to copy and/or distribute it,
  749. # with or without modifications, as long as this notice is preserved.
  750. # AM_MISSING_PROG(NAME, PROGRAM)
  751. # ------------------------------
  752. AC_DEFUN([AM_MISSING_PROG],
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  756. # AM_MISSING_HAS_RUN
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  759. # If it is, set am_missing_run to use it, otherwise, to nothing.
  760. AC_DEFUN([AM_MISSING_HAS_RUN],
  761. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  762. AC_REQUIRE_AUX_FILE([missing])dnl
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  780. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  781. #
  782. # This file is free software; the Free Software Foundation
  783. # gives unlimited permission to copy and/or distribute it,
  784. # with or without modifications, as long as this notice is preserved.
  785. # _AM_MANGLE_OPTION(NAME)
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  787. AC_DEFUN([_AM_MANGLE_OPTION],
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  789. # _AM_SET_OPTION(NAME)
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  794. # _AM_SET_OPTIONS(OPTIONS)
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  796. # OPTIONS is a space-separated list of Automake options.
  797. AC_DEFUN([_AM_SET_OPTIONS],
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  799. # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
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  801. # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  802. AC_DEFUN([_AM_IF_OPTION],
  803. [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  804. # Copyright (C) 1999-2014 Free Software Foundation, Inc.
  805. #
  806. # This file is free software; the Free Software Foundation
  807. # gives unlimited permission to copy and/or distribute it,
  808. # with or without modifications, as long as this notice is preserved.
  809. # _AM_PROG_CC_C_O
  810. # ---------------
  811. # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
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  813. AC_DEFUN([_AM_PROG_CC_C_O],
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  815. AC_REQUIRE_AUX_FILE([compile])dnl
  816. AC_LANG_PUSH([C])dnl
  817. AC_CACHE_CHECK(
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  825. am_cv_prog_cc_c_o=yes
  826. for am_i in 1 2; do
  827. if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
  828. && test -f conftest2.$ac_objext; then
  829. : OK
  830. else
  831. am_cv_prog_cc_c_o=no
  832. break
  833. fi
  834. done
  835. rm -f core conftest*
  836. unset am_i])
  837. if test "$am_cv_prog_cc_c_o" != yes; then
  838. # Losing compiler, so override with the script.
  839. # FIXME: It is wrong to rewrite CC.
  840. # But if we don't then we get into trouble of one sort or another.
  841. # A longer-term fix would be to have automake use am__CC in this case,
  842. # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
  843. CC="$am_aux_dir/compile $CC"
  844. fi
  845. AC_LANG_POP([C])])
  846. # For backward compatibility.
  847. AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
  848. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  849. #
  850. # This file is free software; the Free Software Foundation
  851. # gives unlimited permission to copy and/or distribute it,
  852. # with or without modifications, as long as this notice is preserved.
  853. # AM_RUN_LOG(COMMAND)
  854. # -------------------
  855. # Run COMMAND, save the exit status in ac_status, and log it.
  856. # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
  857. AC_DEFUN([AM_RUN_LOG],
  858. [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
  859. ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
  860. ac_status=$?
  861. echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
  862. (exit $ac_status); }])
  863. # Check to make sure that the build environment is sane. -*- Autoconf -*-
  864. # Copyright (C) 1996-2014 Free Software Foundation, Inc.
  865. #
  866. # This file is free software; the Free Software Foundation
  867. # gives unlimited permission to copy and/or distribute it,
  868. # with or without modifications, as long as this notice is preserved.
  869. # AM_SANITY_CHECK
  870. # ---------------
  871. AC_DEFUN([AM_SANITY_CHECK],
  872. [AC_MSG_CHECKING([whether build environment is sane])
  873. # Reject unsafe characters in $srcdir or the absolute working directory
  874. # name. Accept space and tab only in the latter.
  875. am_lf='
  876. '
  877. case `pwd` in
  878. *[[\\\"\#\$\&\'\`$am_lf]]*)
  879. AC_MSG_ERROR([unsafe absolute working directory name]);;
  880. esac
  881. case $srcdir in
  882. *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
  883. AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
  884. esac
  885. # Do 'set' in a subshell so we don't clobber the current shell's
  886. # arguments. Must try -L first in case configure is actually a
  887. # symlink; some systems play weird games with the mod time of symlinks
  888. # (eg FreeBSD returns the mod time of the symlink's containing
  889. # directory).
  890. if (
  891. am_has_slept=no
  892. for am_try in 1 2; do
  893. echo "timestamp, slept: $am_has_slept" > conftest.file
  894. set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  895. if test "$[*]" = "X"; then
  896. # -L didn't work.
  897. set X `ls -t "$srcdir/configure" conftest.file`
  898. fi
  899. if test "$[*]" != "X $srcdir/configure conftest.file" \
  900. && test "$[*]" != "X conftest.file $srcdir/configure"; then
  901. # If neither matched, then we have a broken ls. This can happen
  902. # if, for instance, CONFIG_SHELL is bash and it inherits a
  903. # broken ls alias from the environment. This has actually
  904. # happened. Such a system could not be considered "sane".
  905. AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
  906. alias in your environment])
  907. fi
  908. if test "$[2]" = conftest.file || test $am_try -eq 2; then
  909. break
  910. fi
  911. # Just in case.
  912. sleep 1
  913. am_has_slept=yes
  914. done
  915. test "$[2]" = conftest.file
  916. )
  917. then
  918. # Ok.
  919. :
  920. else
  921. AC_MSG_ERROR([newly created file is older than distributed files!
  922. Check your system clock])
  923. fi
  924. AC_MSG_RESULT([yes])
  925. # If we didn't sleep, we still need to ensure time stamps of config.status and
  926. # generated files are strictly newer.
  927. am_sleep_pid=
  928. if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  929. ( sleep 1 ) &
  930. am_sleep_pid=$!
  931. fi
  932. AC_CONFIG_COMMANDS_PRE(
  933. [AC_MSG_CHECKING([that generated files are newer than configure])
  934. if test -n "$am_sleep_pid"; then
  935. # Hide warnings about reused PIDs.
  936. wait $am_sleep_pid 2>/dev/null
  937. fi
  938. AC_MSG_RESULT([done])])
  939. rm -f conftest.file
  940. ])
  941. # Copyright (C) 2009-2014 Free Software Foundation, Inc.
  942. #
  943. # This file is free software; the Free Software Foundation
  944. # gives unlimited permission to copy and/or distribute it,
  945. # with or without modifications, as long as this notice is preserved.
  946. # AM_SILENT_RULES([DEFAULT])
  947. # --------------------------
  948. # Enable less verbose build rules; with the default set to DEFAULT
  949. # ("yes" being less verbose, "no" or empty being verbose).
  950. AC_DEFUN([AM_SILENT_RULES],
  951. [AC_ARG_ENABLE([silent-rules], [dnl
  952. AS_HELP_STRING(
  953. [--enable-silent-rules],
  954. [less verbose build output (undo: "make V=1")])
  955. AS_HELP_STRING(
  956. [--disable-silent-rules],
  957. [verbose build output (undo: "make V=0")])dnl
  958. ])
  959. case $enable_silent_rules in @%:@ (((
  960. yes) AM_DEFAULT_VERBOSITY=0;;
  961. no) AM_DEFAULT_VERBOSITY=1;;
  962. *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
  963. esac
  964. dnl
  965. dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
  966. dnl do not support nested variable expansions.
  967. dnl See automake bug#9928 and bug#10237.
  968. am_make=${MAKE-make}
  969. AC_CACHE_CHECK([whether $am_make supports nested variables],
  970. [am_cv_make_support_nested_variables],
  971. [if AS_ECHO([['TRUE=$(BAR$(V))
  972. BAR0=false
  973. BAR1=true
  974. V=1
  975. am__doit:
  976. @$(TRUE)
  977. .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  978. am_cv_make_support_nested_variables=yes
  979. else
  980. am_cv_make_support_nested_variables=no
  981. fi])
  982. if test $am_cv_make_support_nested_variables = yes; then
  983. dnl Using '$V' instead of '$(V)' breaks IRIX make.
  984. AM_V='$(V)'
  985. AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
  986. else
  987. AM_V=$AM_DEFAULT_VERBOSITY
  988. AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
  989. fi
  990. AC_SUBST([AM_V])dnl
  991. AM_SUBST_NOTMAKE([AM_V])dnl
  992. AC_SUBST([AM_DEFAULT_V])dnl
  993. AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
  994. AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
  995. AM_BACKSLASH='\'
  996. AC_SUBST([AM_BACKSLASH])dnl
  997. _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
  998. ])
  999. # Copyright (C) 2001-2014 Free Software Foundation, Inc.
  1000. #
  1001. # This file is free software; the Free Software Foundation
  1002. # gives unlimited permission to copy and/or distribute it,
  1003. # with or without modifications, as long as this notice is preserved.
  1004. # AM_PROG_INSTALL_STRIP
  1005. # ---------------------
  1006. # One issue with vendor 'install' (even GNU) is that you can't
  1007. # specify the program used to strip binaries. This is especially
  1008. # annoying in cross-compiling environments, where the build's strip
  1009. # is unlikely to handle the host's binaries.
  1010. # Fortunately install-sh will honor a STRIPPROG variable, so we
  1011. # always use install-sh in "make install-strip", and initialize
  1012. # STRIPPROG with the value of the STRIP variable (set by the user).
  1013. AC_DEFUN([AM_PROG_INSTALL_STRIP],
  1014. [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  1015. # Installed binaries are usually stripped using 'strip' when the user
  1016. # run "make install-strip". However 'strip' might not be the right
  1017. # tool to use in cross-compilation environments, therefore Automake
  1018. # will honor the 'STRIP' environment variable to overrule this program.
  1019. dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
  1020. if test "$cross_compiling" != no; then
  1021. AC_CHECK_TOOL([STRIP], [strip], :)
  1022. fi
  1023. INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  1024. AC_SUBST([INSTALL_STRIP_PROGRAM])])
  1025. # Copyright (C) 2006-2014 Free Software Foundation, Inc.
  1026. #
  1027. # This file is free software; the Free Software Foundation
  1028. # gives unlimited permission to copy and/or distribute it,
  1029. # with or without modifications, as long as this notice is preserved.
  1030. # _AM_SUBST_NOTMAKE(VARIABLE)
  1031. # ---------------------------
  1032. # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  1033. # This macro is traced by Automake.
  1034. AC_DEFUN([_AM_SUBST_NOTMAKE])
  1035. # AM_SUBST_NOTMAKE(VARIABLE)
  1036. # --------------------------
  1037. # Public sister of _AM_SUBST_NOTMAKE.
  1038. AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  1039. # Check how to create a tarball. -*- Autoconf -*-
  1040. # Copyright (C) 2004-2014 Free Software Foundation, Inc.
  1041. #
  1042. # This file is free software; the Free Software Foundation
  1043. # gives unlimited permission to copy and/or distribute it,
  1044. # with or without modifications, as long as this notice is preserved.
  1045. # _AM_PROG_TAR(FORMAT)
  1046. # --------------------
  1047. # Check how to create a tarball in format FORMAT.
  1048. # FORMAT should be one of 'v7', 'ustar', or 'pax'.
  1049. #
  1050. # Substitute a variable $(am__tar) that is a command
  1051. # writing to stdout a FORMAT-tarball containing the directory
  1052. # $tardir.
  1053. # tardir=directory && $(am__tar) > result.tar
  1054. #
  1055. # Substitute a variable $(am__untar) that extract such
  1056. # a tarball read from stdin.
  1057. # $(am__untar) < result.tar
  1058. #
  1059. AC_DEFUN([_AM_PROG_TAR],
  1060. [# Always define AMTAR for backward compatibility. Yes, it's still used
  1061. # in the wild :-( We should find a proper way to deprecate it ...
  1062. AC_SUBST([AMTAR], ['$${TAR-tar}'])
  1063. # We'll loop over all known methods to create a tar archive until one works.
  1064. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  1065. m4_if([$1], [v7],
  1066. [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
  1067. [m4_case([$1],
  1068. [ustar],
  1069. [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
  1070. # There is notably a 21 bits limit for the UID and the GID. In fact,
  1071. # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
  1072. # and bug#13588).
  1073. am_max_uid=2097151 # 2^21 - 1
  1074. am_max_gid=$am_max_uid
  1075. # The $UID and $GID variables are not portable, so we need to resort
  1076. # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
  1077. # below are definitely unexpected, so allow the users to see them
  1078. # (that is, avoid stderr redirection).
  1079. am_uid=`id -u || echo unknown`
  1080. am_gid=`id -g || echo unknown`
  1081. AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
  1082. if test $am_uid -le $am_max_uid; then
  1083. AC_MSG_RESULT([yes])
  1084. else
  1085. AC_MSG_RESULT([no])
  1086. _am_tools=none
  1087. fi
  1088. AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
  1089. if test $am_gid -le $am_max_gid; then
  1090. AC_MSG_RESULT([yes])
  1091. else
  1092. AC_MSG_RESULT([no])
  1093. _am_tools=none
  1094. fi],
  1095. [pax],
  1096. [],
  1097. [m4_fatal([Unknown tar format])])
  1098. AC_MSG_CHECKING([how to create a $1 tar archive])
  1099. # Go ahead even if we have the value already cached. We do so because we
  1100. # need to set the values for the 'am__tar' and 'am__untar' variables.
  1101. _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  1102. for _am_tool in $_am_tools; do
  1103. case $_am_tool in
  1104. gnutar)
  1105. for _am_tar in tar gnutar gtar; do
  1106. AM_RUN_LOG([$_am_tar --version]) && break
  1107. done
  1108. am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  1109. am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  1110. am__untar="$_am_tar -xf -"
  1111. ;;
  1112. plaintar)
  1113. # Must skip GNU tar: if it does not support --format= it doesn't create
  1114. # ustar tarball either.
  1115. (tar --version) >/dev/null 2>&1 && continue
  1116. am__tar='tar chf - "$$tardir"'
  1117. am__tar_='tar chf - "$tardir"'
  1118. am__untar='tar xf -'
  1119. ;;
  1120. pax)
  1121. am__tar='pax -L -x $1 -w "$$tardir"'
  1122. am__tar_='pax -L -x $1 -w "$tardir"'
  1123. am__untar='pax -r'
  1124. ;;
  1125. cpio)
  1126. am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  1127. am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  1128. am__untar='cpio -i -H $1 -d'
  1129. ;;
  1130. none)
  1131. am__tar=false
  1132. am__tar_=false
  1133. am__untar=false
  1134. ;;
  1135. esac
  1136. # If the value was cached, stop now. We just wanted to have am__tar
  1137. # and am__untar set.
  1138. test -n "${am_cv_prog_tar_$1}" && break
  1139. # tar/untar a dummy directory, and stop if the command works.
  1140. rm -rf conftest.dir
  1141. mkdir conftest.dir
  1142. echo GrepMe > conftest.dir/file
  1143. AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  1144. rm -rf conftest.dir
  1145. if test -s conftest.tar; then
  1146. AM_RUN_LOG([$am__untar <conftest.tar])
  1147. AM_RUN_LOG([cat conftest.dir/file])
  1148. grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  1149. fi
  1150. done
  1151. rm -rf conftest.dir
  1152. AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  1153. AC_MSG_RESULT([$am_cv_prog_tar_$1])])
  1154. AC_SUBST([am__tar])
  1155. AC_SUBST([am__untar])
  1156. ]) # _AM_PROG_TAR
  1157. m4_include([m4/libopts.m4])
  1158. m4_include([m4/libtool.m4])
  1159. m4_include([m4/ltoptions.m4])
  1160. m4_include([m4/ltsugar.m4])
  1161. m4_include([m4/ltversion.m4])
  1162. m4_include([m4/lt~obsolete.m4])
  1163. m4_include([m4/stdnoreturn.m4])
  1164. m4_include([acinclude.m4])