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  1. # generated automatically by aclocal 1.16.1 -*- Autoconf -*-
  2. # Copyright (C) 1996-2018 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,
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  18. # Copyright (C) 2002-2018 Free Software Foundation, Inc.
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  99. # Copyright (C) 1997-2018 Free Software Foundation, Inc.
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  101. # This file is free software; the Free Software Foundation
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  103. # with or without modifications, as long as this notice is preserved.
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  128. # Copyright (C) 1999-2018 Free Software Foundation, Inc.
  129. #
  130. # This file is free software; the Free Software Foundation
  131. # gives unlimited permission to copy and/or distribute it,
  132. # with or without modifications, as long as this notice is preserved.
  133. # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
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  138. # _AM_DEPENDENCIES(NAME)
  139. # ----------------------
  140. # See how the compiler implements dependency checking.
  141. # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
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  158. [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
  159. [depcc="$$1" am_compiler_list=])
  160. AC_CACHE_CHECK([dependency style of $depcc],
  161. [am_cv_$1_dependencies_compiler_type],
  162. [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
  163. # We make a subdir and do the tests there. Otherwise we can end up
  164. # making bogus files that we don't know about and never remove. For
  165. # instance it was reported that on HP-UX the gcc test will end up
  166. # making a dummy file named 'D' -- because '-MD' means "put the output
  167. # in D".
  168. rm -rf conftest.dir
  169. mkdir conftest.dir
  170. # Copy depcomp to subdir because otherwise we won't find it if we're
  171. # using a relative directory.
  172. cp "$am_depcomp" conftest.dir
  173. cd conftest.dir
  174. # We will build objects and dependencies in a subdirectory because
  175. # it helps to detect inapplicable dependency modes. For instance
  176. # both Tru64's cc and ICC support -MD to output dependencies as a
  177. # side effect of compilation, but ICC will put the dependencies in
  178. # the current directory while Tru64 will put them in the object
  179. # directory.
  180. mkdir sub
  181. am_cv_$1_dependencies_compiler_type=none
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  191. [case " $depcc " in #(
  192. *\ -arch\ *\ -arch\ *) am__universal=true ;;
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  194. for depmode in $am_compiler_list; do
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  198. #
  199. # We need to recreate these files for each test, as the compiler may
  200. # overwrite some of them when testing with obscure command lines.
  201. # This happens at least with the AIX C compiler.
  202. : > sub/conftest.c
  203. for i in 1 2 3 4 5 6; do
  204. echo '#include "conftst'$i'.h"' >> sub/conftest.c
  205. # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
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  209. echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
  210. # We check with '-c' and '-o' for the sake of the "dashmstdout"
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  214. am__obj=sub/conftest.${OBJEXT-o}
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  224. if test "x$enable_dependency_tracking" = xyes; then
  225. continue
  226. else
  227. break
  228. fi
  229. ;;
  230. msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  231. # This compiler won't grok '-c -o', but also, the minuso test has
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  233. # so weak that their functioning should not be impacted.
  234. am__obj=conftest.${OBJEXT-o}
  235. am__minus_obj=
  236. ;;
  237. none) break ;;
  238. esac
  239. if depmode=$depmode \
  240. source=sub/conftest.c object=$am__obj \
  241. depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
  242. $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
  243. >/dev/null 2>conftest.err &&
  244. grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
  245. grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
  246. grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
  247. ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
  248. # icc doesn't choke on unknown options, it will just issue warnings
  249. # or remarks (even with -Werror). So we grep stderr for any message
  250. # that says an option was ignored or not supported.
  251. # When given -MP, icc 7.0 and 7.1 complain thusly:
  252. # icc: Command line warning: ignoring option '-M'; no argument required
  253. # The diagnosis changed in icc 8.0:
  254. # icc: Command line remark: option '-MP' not supported
  255. if (grep 'ignoring option' conftest.err ||
  256. grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
  257. am_cv_$1_dependencies_compiler_type=$depmode
  258. break
  259. fi
  260. fi
  261. done
  262. cd ..
  263. rm -rf conftest.dir
  264. else
  265. am_cv_$1_dependencies_compiler_type=none
  266. fi
  267. ])
  268. AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
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  279. AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
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  281. # AM_DEP_TRACK
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  283. AC_DEFUN([AM_DEP_TRACK],
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  285. AS_HELP_STRING(
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  288. AS_HELP_STRING(
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  290. [speeds up one-time build])])
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  293. AMDEPBACKSLASH='\'
  294. am__nodep='_no'
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  297. AC_SUBST([AMDEPBACKSLASH])dnl
  298. _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
  299. AC_SUBST([am__nodep])dnl
  300. _AM_SUBST_NOTMAKE([am__nodep])dnl
  301. ])
  302. # Generate code to set up dependency tracking. -*- Autoconf -*-
  303. # Copyright (C) 1999-2018 Free Software Foundation, Inc.
  304. #
  305. # This file is free software; the Free Software Foundation
  306. # gives unlimited permission to copy and/or distribute it,
  307. # with or without modifications, as long as this notice is preserved.
  308. # _AM_OUTPUT_DEPENDENCY_COMMANDS
  309. # ------------------------------
  310. AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  311. [{
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  313. # are listed without --file. Let's play safe and only enable the eval
  314. # if we detect the quoting.
  315. # TODO: see whether this extra hack can be removed once we start
  316. # requiring Autoconf 2.70 or later.
  317. AS_CASE([$CONFIG_FILES],
  318. [*\'*], [eval set x "$CONFIG_FILES"],
  319. [*], [set x $CONFIG_FILES])
  320. shift
  321. # Used to flag and report bootstrapping failures.
  322. am_rc=0
  323. for am_mf
  324. do
  325. # Strip MF so we end up with the name of the file.
  326. am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
  327. # Check whether this is an Automake generated Makefile which includes
  328. # dependency-tracking related rules and includes.
  329. # Grep'ing the whole file directly is not great: AIX grep has a line
  330. # limit of 2048, but all sed's we know have understand at least 4000.
  331. sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
  332. || continue
  333. am_dirpart=`AS_DIRNAME(["$am_mf"])`
  334. am_filepart=`AS_BASENAME(["$am_mf"])`
  335. AM_RUN_LOG([cd "$am_dirpart" \
  336. && sed -e '/# am--include-marker/d' "$am_filepart" \
  337. | $MAKE -f - am--depfiles]) || am_rc=$?
  338. done
  339. if test $am_rc -ne 0; then
  340. AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
  341. for automatic dependency tracking. Try re-running configure with the
  342. '--disable-dependency-tracking' option to at least be able to build
  343. the package (albeit without support for automatic dependency tracking).])
  344. fi
  345. AS_UNSET([am_dirpart])
  346. AS_UNSET([am_filepart])
  347. AS_UNSET([am_mf])
  348. AS_UNSET([am_rc])
  349. rm -f conftest-deps.mk
  350. }
  351. ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
  352. # AM_OUTPUT_DEPENDENCY_COMMANDS
  353. # -----------------------------
  354. # This macro should only be invoked once -- use via AC_REQUIRE.
  355. #
  356. # This code is only required when automatic dependency tracking is enabled.
  357. # This creates each '.Po' and '.Plo' makefile fragment that we'll need in
  358. # order to bootstrap the dependency handling code.
  359. AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
  360. [AC_CONFIG_COMMANDS([depfiles],
  361. [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
  362. [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
  363. # Do all the work for Automake. -*- Autoconf -*-
  364. # Copyright (C) 1996-2018 Free Software Foundation, Inc.
  365. #
  366. # This file is free software; the Free Software Foundation
  367. # gives unlimited permission to copy and/or distribute it,
  368. # with or without modifications, as long as this notice is preserved.
  369. # This macro actually does too much. Some checks are only needed if
  370. # your package does certain things. But this isn't really a big deal.
  371. dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
  372. m4_define([AC_PROG_CC],
  373. m4_defn([AC_PROG_CC])
  374. [_AM_PROG_CC_C_O
  375. ])
  376. # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
  377. # AM_INIT_AUTOMAKE([OPTIONS])
  378. # -----------------------------------------------
  379. # The call with PACKAGE and VERSION arguments is the old style
  380. # call (pre autoconf-2.50), which is being phased out. PACKAGE
  381. # and VERSION should now be passed to AC_INIT and removed from
  382. # the call to AM_INIT_AUTOMAKE.
  383. # We support both call styles for the transition. After
  384. # the next Automake release, Autoconf can make the AC_INIT
  385. # arguments mandatory, and then we can depend on a new Autoconf
  386. # release and drop the old call support.
  387. AC_DEFUN([AM_INIT_AUTOMAKE],
  388. [AC_PREREQ([2.65])dnl
  389. dnl Autoconf wants to disallow AM_ names. We explicitly allow
  390. dnl the ones we care about.
  391. m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
  392. AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
  393. AC_REQUIRE([AC_PROG_INSTALL])dnl
  394. if test "`cd $srcdir && pwd`" != "`pwd`"; then
  395. # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
  396. # is not polluted with repeated "-I."
  397. AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
  398. # test to see if srcdir already configured
  399. if test -f $srcdir/config.status; then
  400. AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
  401. fi
  402. fi
  403. # test whether we have cygpath
  404. if test -z "$CYGPATH_W"; then
  405. if (cygpath --version) >/dev/null 2>/dev/null; then
  406. CYGPATH_W='cygpath -w'
  407. else
  408. CYGPATH_W=echo
  409. fi
  410. fi
  411. AC_SUBST([CYGPATH_W])
  412. # Define the identity of the package.
  413. dnl Distinguish between old-style and new-style calls.
  414. m4_ifval([$2],
  415. [AC_DIAGNOSE([obsolete],
  416. [$0: two- and three-arguments forms are deprecated.])
  417. m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
  418. AC_SUBST([PACKAGE], [$1])dnl
  419. AC_SUBST([VERSION], [$2])],
  420. [_AM_SET_OPTIONS([$1])dnl
  421. dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
  422. m4_if(
  423. m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
  424. [ok:ok],,
  425. [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  426. AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  427. AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  428. _AM_IF_OPTION([no-define],,
  429. [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
  430. AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
  431. # Some tools Automake needs.
  432. AC_REQUIRE([AM_SANITY_CHECK])dnl
  433. AC_REQUIRE([AC_ARG_PROGRAM])dnl
  434. AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
  435. AM_MISSING_PROG([AUTOCONF], [autoconf])
  436. AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
  437. AM_MISSING_PROG([AUTOHEADER], [autoheader])
  438. AM_MISSING_PROG([MAKEINFO], [makeinfo])
  439. AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  440. AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  441. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  442. # For better backward compatibility. To be removed once Automake 1.9.x
  443. # dies out for good. For more background, see:
  444. # <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
  445. # <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
  446. AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
  447. # We need awk for the "check" target (and possibly the TAP driver). The
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  449. AC_REQUIRE([AC_PROG_AWK])dnl
  450. AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  451. AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  452. _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  453. [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  454. [_AM_PROG_TAR([v7])])])
  455. _AM_IF_OPTION([no-dependencies],,
  456. [AC_PROVIDE_IFELSE([AC_PROG_CC],
  457. [_AM_DEPENDENCIES([CC])],
  458. [m4_define([AC_PROG_CC],
  459. m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
  460. AC_PROVIDE_IFELSE([AC_PROG_CXX],
  461. [_AM_DEPENDENCIES([CXX])],
  462. [m4_define([AC_PROG_CXX],
  463. m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
  464. AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  465. [_AM_DEPENDENCIES([OBJC])],
  466. [m4_define([AC_PROG_OBJC],
  467. m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
  468. AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
  469. [_AM_DEPENDENCIES([OBJCXX])],
  470. [m4_define([AC_PROG_OBJCXX],
  471. m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
  472. ])
  473. AC_REQUIRE([AM_SILENT_RULES])dnl
  474. dnl The testsuite driver may need to know about EXEEXT, so add the
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  477. AC_CONFIG_COMMANDS_PRE(dnl
  478. [m4_provide_if([_AM_COMPILER_EXEEXT],
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  480. # POSIX will say in a future version that running "rm -f" with no argument
  481. # is OK; and we want to be able to make that assumption in our Makefile
  482. # recipes. So use an aggressive probe to check that the usage we want is
  483. # actually supported "in the wild" to an acceptable degree.
  484. # See automake bug#10828.
  485. # To make any issue more visible, cause the running configure to be aborted
  486. # by default if the 'rm' program in use doesn't match our expectations; the
  487. # user can still override this though.
  488. if rm -f && rm -fr && rm -rf; then : OK; else
  489. cat >&2 <<'END'
  490. Oops!
  491. Your 'rm' program seems unable to run without file operands specified
  492. on the command line, even when the '-f' option is present. This is contrary
  493. to the behaviour of most rm programs out there, and not conforming with
  494. the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
  495. Please tell bug-automake@gnu.org about your system, including the value
  496. of your $PATH and any error possibly output before this message. This
  497. can help us improve future automake versions.
  498. END
  499. if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
  500. echo 'Configuration will proceed anyway, since you have set the' >&2
  501. echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
  502. echo >&2
  503. else
  504. cat >&2 <<'END'
  505. Aborting the configuration process, to ensure you take notice of the issue.
  506. You can download and install GNU coreutils to get an 'rm' implementation
  507. that behaves properly: <https://www.gnu.org/software/coreutils/>.
  508. If you want to complete the configuration process using your problematic
  509. 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
  510. to "yes", and re-run configure.
  511. END
  512. AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  513. fi
  514. fi
  515. dnl The trailing newline in this macro's definition is deliberate, for
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  517. dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
  518. ])
  519. dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
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  522. m4_define([_AC_COMPILER_EXEEXT],
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  527. # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
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  530. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
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  533. _am_stamp_count=1
  534. for _am_header in $config_headers :; do
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  542. echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  543. # Copyright (C) 2001-2018 Free Software Foundation, Inc.
  544. #
  545. # This file is free software; the Free Software Foundation
  546. # gives unlimited permission to copy and/or distribute it,
  547. # with or without modifications, as long as this notice is preserved.
  548. # AM_PROG_INSTALL_SH
  549. # ------------------
  550. # Define $install_sh.
  551. AC_DEFUN([AM_PROG_INSTALL_SH],
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  553. if test x"${install_sh+set}" != xset; then
  554. case $am_aux_dir in
  555. *\ * | *\ *)
  556. install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  557. *)
  558. install_sh="\${SHELL} $am_aux_dir/install-sh"
  559. esac
  560. fi
  561. AC_SUBST([install_sh])])
  562. # Copyright (C) 2003-2018 Free Software Foundation, Inc.
  563. #
  564. # This file is free software; the Free Software Foundation
  565. # gives unlimited permission to copy and/or distribute it,
  566. # with or without modifications, as long as this notice is preserved.
  567. # Check whether the underlying file-system supports filenames
  568. # with a leading dot. For instance MS-DOS doesn't.
  569. AC_DEFUN([AM_SET_LEADING_DOT],
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  574. else
  575. am__leading_dot=_
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  577. rmdir .tst 2>/dev/null
  578. AC_SUBST([am__leading_dot])])
  579. # Check to see how 'make' treats includes. -*- Autoconf -*-
  580. # Copyright (C) 2001-2018 Free Software Foundation, Inc.
  581. #
  582. # This file is free software; the Free Software Foundation
  583. # gives unlimited permission to copy and/or distribute it,
  584. # with or without modifications, as long as this notice is preserved.
  585. # AM_MAKE_INCLUDE()
  586. # -----------------
  587. # Check whether make has an 'include' directive that can support all
  588. # the idioms we need for our automatic dependency tracking code.
  589. AC_DEFUN([AM_MAKE_INCLUDE],
  590. [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
  591. cat > confinc.mk << 'END'
  592. am__doit:
  593. @echo this is the am__doit target >confinc.out
  594. .PHONY: am__doit
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  596. am__include="#"
  597. am__quote=
  598. # BSD make does it like this.
  599. echo '.include "confinc.mk" # ignored' > confmf.BSD
  600. # Other make implementations (GNU, Solaris 10, AIX) do it like this.
  601. echo 'include confinc.mk # ignored' > confmf.GNU
  602. _am_result=no
  603. for s in GNU BSD; do
  604. AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
  605. AS_CASE([$?:`cat confinc.out 2>/dev/null`],
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  607. [AS_CASE([$s],
  608. [BSD], [am__include='.include' am__quote='"'],
  609. [am__include='include' am__quote=''])])
  610. if test "$am__include" != "#"; then
  611. _am_result="yes ($s style)"
  612. break
  613. fi
  614. done
  615. rm -f confinc.* confmf.*
  616. AC_MSG_RESULT([${_am_result}])
  617. AC_SUBST([am__include])])
  618. AC_SUBST([am__quote])])
  619. # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
  620. # Copyright (C) 1997-2018 Free Software Foundation, Inc.
  621. #
  622. # This file is free software; the Free Software Foundation
  623. # gives unlimited permission to copy and/or distribute it,
  624. # with or without modifications, as long as this notice is preserved.
  625. # AM_MISSING_PROG(NAME, PROGRAM)
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  627. AC_DEFUN([AM_MISSING_PROG],
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  654. # Helper functions for option handling. -*- Autoconf -*-
  655. # Copyright (C) 2001-2018 Free Software Foundation, Inc.
  656. #
  657. # This file is free software; the Free Software Foundation
  658. # gives unlimited permission to copy and/or distribute it,
  659. # with or without modifications, as long as this notice is preserved.
  660. # _AM_MANGLE_OPTION(NAME)
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  669. # _AM_SET_OPTIONS(OPTIONS)
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  674. # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
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  679. # Copyright (C) 1999-2018 Free Software Foundation, Inc.
  680. #
  681. # This file is free software; the Free Software Foundation
  682. # gives unlimited permission to copy and/or distribute it,
  683. # with or without modifications, as long as this notice is preserved.
  684. # _AM_PROG_CC_C_O
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  690. AC_REQUIRE_AUX_FILE([compile])dnl
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  696. # Make sure it works both with $CC and with simple cc.
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  700. am_cv_prog_cc_c_o=yes
  701. for am_i in 1 2; do
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  712. if test "$am_cv_prog_cc_c_o" != yes; then
  713. # Losing compiler, so override with the script.
  714. # FIXME: It is wrong to rewrite CC.
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  720. AC_LANG_POP([C])])
  721. # For backward compatibility.
  722. AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
  723. # Copyright (C) 2001-2018 Free Software Foundation, Inc.
  724. #
  725. # This file is free software; the Free Software Foundation
  726. # gives unlimited permission to copy and/or distribute it,
  727. # with or without modifications, as long as this notice is preserved.
  728. # AM_RUN_LOG(COMMAND)
  729. # -------------------
  730. # Run COMMAND, save the exit status in ac_status, and log it.
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  738. # Check to make sure that the build environment is sane. -*- Autoconf -*-
  739. # Copyright (C) 1996-2018 Free Software Foundation, Inc.
  740. #
  741. # This file is free software; the Free Software Foundation
  742. # gives unlimited permission to copy and/or distribute it,
  743. # with or without modifications, as long as this notice is preserved.
  744. # AM_SANITY_CHECK
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  746. AC_DEFUN([AM_SANITY_CHECK],
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  757. *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
  758. AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
  759. esac
  760. # Do 'set' in a subshell so we don't clobber the current shell's
  761. # arguments. Must try -L first in case configure is actually a
  762. # symlink; some systems play weird games with the mod time of symlinks
  763. # (eg FreeBSD returns the mod time of the symlink's containing
  764. # directory).
  765. if (
  766. am_has_slept=no
  767. for am_try in 1 2; do
  768. echo "timestamp, slept: $am_has_slept" > conftest.file
  769. set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  770. if test "$[*]" = "X"; then
  771. # -L didn't work.
  772. set X `ls -t "$srcdir/configure" conftest.file`
  773. fi
  774. if test "$[*]" != "X $srcdir/configure conftest.file" \
  775. && test "$[*]" != "X conftest.file $srcdir/configure"; then
  776. # If neither matched, then we have a broken ls. This can happen
  777. # if, for instance, CONFIG_SHELL is bash and it inherits a
  778. # broken ls alias from the environment. This has actually
  779. # happened. Such a system could not be considered "sane".
  780. AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
  781. alias in your environment])
  782. fi
  783. if test "$[2]" = conftest.file || test $am_try -eq 2; then
  784. break
  785. fi
  786. # Just in case.
  787. sleep 1
  788. am_has_slept=yes
  789. done
  790. test "$[2]" = conftest.file
  791. )
  792. then
  793. # Ok.
  794. :
  795. else
  796. AC_MSG_ERROR([newly created file is older than distributed files!
  797. Check your system clock])
  798. fi
  799. AC_MSG_RESULT([yes])
  800. # If we didn't sleep, we still need to ensure time stamps of config.status and
  801. # generated files are strictly newer.
  802. am_sleep_pid=
  803. if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  804. ( sleep 1 ) &
  805. am_sleep_pid=$!
  806. fi
  807. AC_CONFIG_COMMANDS_PRE(
  808. [AC_MSG_CHECKING([that generated files are newer than configure])
  809. if test -n "$am_sleep_pid"; then
  810. # Hide warnings about reused PIDs.
  811. wait $am_sleep_pid 2>/dev/null
  812. fi
  813. AC_MSG_RESULT([done])])
  814. rm -f conftest.file
  815. ])
  816. # Copyright (C) 2009-2018 Free Software Foundation, Inc.
  817. #
  818. # This file is free software; the Free Software Foundation
  819. # gives unlimited permission to copy and/or distribute it,
  820. # with or without modifications, as long as this notice is preserved.
  821. # AM_SILENT_RULES([DEFAULT])
  822. # --------------------------
  823. # Enable less verbose build rules; with the default set to DEFAULT
  824. # ("yes" being less verbose, "no" or empty being verbose).
  825. AC_DEFUN([AM_SILENT_RULES],
  826. [AC_ARG_ENABLE([silent-rules], [dnl
  827. AS_HELP_STRING(
  828. [--enable-silent-rules],
  829. [less verbose build output (undo: "make V=1")])
  830. AS_HELP_STRING(
  831. [--disable-silent-rules],
  832. [verbose build output (undo: "make V=0")])dnl
  833. ])
  834. case $enable_silent_rules in @%:@ (((
  835. yes) AM_DEFAULT_VERBOSITY=0;;
  836. no) AM_DEFAULT_VERBOSITY=1;;
  837. *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
  838. esac
  839. dnl
  840. dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
  841. dnl do not support nested variable expansions.
  842. dnl See automake bug#9928 and bug#10237.
  843. am_make=${MAKE-make}
  844. AC_CACHE_CHECK([whether $am_make supports nested variables],
  845. [am_cv_make_support_nested_variables],
  846. [if AS_ECHO([['TRUE=$(BAR$(V))
  847. BAR0=false
  848. BAR1=true
  849. V=1
  850. am__doit:
  851. @$(TRUE)
  852. .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  853. am_cv_make_support_nested_variables=yes
  854. else
  855. am_cv_make_support_nested_variables=no
  856. fi])
  857. if test $am_cv_make_support_nested_variables = yes; then
  858. dnl Using '$V' instead of '$(V)' breaks IRIX make.
  859. AM_V='$(V)'
  860. AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
  861. else
  862. AM_V=$AM_DEFAULT_VERBOSITY
  863. AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
  864. fi
  865. AC_SUBST([AM_V])dnl
  866. AM_SUBST_NOTMAKE([AM_V])dnl
  867. AC_SUBST([AM_DEFAULT_V])dnl
  868. AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
  869. AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
  870. AM_BACKSLASH='\'
  871. AC_SUBST([AM_BACKSLASH])dnl
  872. _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
  873. ])
  874. # Copyright (C) 2001-2018 Free Software Foundation, Inc.
  875. #
  876. # This file is free software; the Free Software Foundation
  877. # gives unlimited permission to copy and/or distribute it,
  878. # with or without modifications, as long as this notice is preserved.
  879. # AM_PROG_INSTALL_STRIP
  880. # ---------------------
  881. # One issue with vendor 'install' (even GNU) is that you can't
  882. # specify the program used to strip binaries. This is especially
  883. # annoying in cross-compiling environments, where the build's strip
  884. # is unlikely to handle the host's binaries.
  885. # Fortunately install-sh will honor a STRIPPROG variable, so we
  886. # always use install-sh in "make install-strip", and initialize
  887. # STRIPPROG with the value of the STRIP variable (set by the user).
  888. AC_DEFUN([AM_PROG_INSTALL_STRIP],
  889. [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  890. # Installed binaries are usually stripped using 'strip' when the user
  891. # run "make install-strip". However 'strip' might not be the right
  892. # tool to use in cross-compilation environments, therefore Automake
  893. # will honor the 'STRIP' environment variable to overrule this program.
  894. dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
  895. if test "$cross_compiling" != no; then
  896. AC_CHECK_TOOL([STRIP], [strip], :)
  897. fi
  898. INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  899. AC_SUBST([INSTALL_STRIP_PROGRAM])])
  900. # Copyright (C) 2006-2018 Free Software Foundation, Inc.
  901. #
  902. # This file is free software; the Free Software Foundation
  903. # gives unlimited permission to copy and/or distribute it,
  904. # with or without modifications, as long as this notice is preserved.
  905. # _AM_SUBST_NOTMAKE(VARIABLE)
  906. # ---------------------------
  907. # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  908. # This macro is traced by Automake.
  909. AC_DEFUN([_AM_SUBST_NOTMAKE])
  910. # AM_SUBST_NOTMAKE(VARIABLE)
  911. # --------------------------
  912. # Public sister of _AM_SUBST_NOTMAKE.
  913. AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  914. # Check how to create a tarball. -*- Autoconf -*-
  915. # Copyright (C) 2004-2018 Free Software Foundation, Inc.
  916. #
  917. # This file is free software; the Free Software Foundation
  918. # gives unlimited permission to copy and/or distribute it,
  919. # with or without modifications, as long as this notice is preserved.
  920. # _AM_PROG_TAR(FORMAT)
  921. # --------------------
  922. # Check how to create a tarball in format FORMAT.
  923. # FORMAT should be one of 'v7', 'ustar', or 'pax'.
  924. #
  925. # Substitute a variable $(am__tar) that is a command
  926. # writing to stdout a FORMAT-tarball containing the directory
  927. # $tardir.
  928. # tardir=directory && $(am__tar) > result.tar
  929. #
  930. # Substitute a variable $(am__untar) that extract such
  931. # a tarball read from stdin.
  932. # $(am__untar) < result.tar
  933. #
  934. AC_DEFUN([_AM_PROG_TAR],
  935. [# Always define AMTAR for backward compatibility. Yes, it's still used
  936. # in the wild :-( We should find a proper way to deprecate it ...
  937. AC_SUBST([AMTAR], ['$${TAR-tar}'])
  938. # We'll loop over all known methods to create a tar archive until one works.
  939. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  940. m4_if([$1], [v7],
  941. [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
  942. [m4_case([$1],
  943. [ustar],
  944. [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
  945. # There is notably a 21 bits limit for the UID and the GID. In fact,
  946. # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
  947. # and bug#13588).
  948. am_max_uid=2097151 # 2^21 - 1
  949. am_max_gid=$am_max_uid
  950. # The $UID and $GID variables are not portable, so we need to resort
  951. # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
  952. # below are definitely unexpected, so allow the users to see them
  953. # (that is, avoid stderr redirection).
  954. am_uid=`id -u || echo unknown`
  955. am_gid=`id -g || echo unknown`
  956. AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
  957. if test $am_uid -le $am_max_uid; then
  958. AC_MSG_RESULT([yes])
  959. else
  960. AC_MSG_RESULT([no])
  961. _am_tools=none
  962. fi
  963. AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
  964. if test $am_gid -le $am_max_gid; then
  965. AC_MSG_RESULT([yes])
  966. else
  967. AC_MSG_RESULT([no])
  968. _am_tools=none
  969. fi],
  970. [pax],
  971. [],
  972. [m4_fatal([Unknown tar format])])
  973. AC_MSG_CHECKING([how to create a $1 tar archive])
  974. # Go ahead even if we have the value already cached. We do so because we
  975. # need to set the values for the 'am__tar' and 'am__untar' variables.
  976. _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  977. for _am_tool in $_am_tools; do
  978. case $_am_tool in
  979. gnutar)
  980. for _am_tar in tar gnutar gtar; do
  981. AM_RUN_LOG([$_am_tar --version]) && break
  982. done
  983. am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  984. am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  985. am__untar="$_am_tar -xf -"
  986. ;;
  987. plaintar)
  988. # Must skip GNU tar: if it does not support --format= it doesn't create
  989. # ustar tarball either.
  990. (tar --version) >/dev/null 2>&1 && continue
  991. am__tar='tar chf - "$$tardir"'
  992. am__tar_='tar chf - "$tardir"'
  993. am__untar='tar xf -'
  994. ;;
  995. pax)
  996. am__tar='pax -L -x $1 -w "$$tardir"'
  997. am__tar_='pax -L -x $1 -w "$tardir"'
  998. am__untar='pax -r'
  999. ;;
  1000. cpio)
  1001. am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  1002. am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  1003. am__untar='cpio -i -H $1 -d'
  1004. ;;
  1005. none)
  1006. am__tar=false
  1007. am__tar_=false
  1008. am__untar=false
  1009. ;;
  1010. esac
  1011. # If the value was cached, stop now. We just wanted to have am__tar
  1012. # and am__untar set.
  1013. test -n "${am_cv_prog_tar_$1}" && break
  1014. # tar/untar a dummy directory, and stop if the command works.
  1015. rm -rf conftest.dir
  1016. mkdir conftest.dir
  1017. echo GrepMe > conftest.dir/file
  1018. AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  1019. rm -rf conftest.dir
  1020. if test -s conftest.tar; then
  1021. AM_RUN_LOG([$am__untar <conftest.tar])
  1022. AM_RUN_LOG([cat conftest.dir/file])
  1023. grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  1024. fi
  1025. done
  1026. rm -rf conftest.dir
  1027. AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  1028. AC_MSG_RESULT([$am_cv_prog_tar_$1])])
  1029. AC_SUBST([am__tar])
  1030. AC_SUBST([am__untar])
  1031. ]) # _AM_PROG_TAR