1 # generated automatically by aclocal 1.16.5 -*- Autoconf -*-
3 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
14 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
15 m4_ifndef([AC_AUTOCONF_VERSION],
16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
17 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],,
18 [m4_warning([this file was generated for autoconf 2.71.
19 You have another version of autoconf. It may work, but is not guaranteed to.
20 If you have problems, you may need to regenerate the build system entirely.
21 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
23 dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
24 dnl serial 11 (pkg-config-0.29.1)
26 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
27 dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
29 dnl This program is free software; you can redistribute it and/or modify
30 dnl it under the terms of the GNU General Public License as published by
31 dnl the Free Software Foundation; either version 2 of the License, or
32 dnl (at your option) any later version.
34 dnl This program is distributed in the hope that it will be useful, but
35 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
36 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37 dnl General Public License for more details.
39 dnl You should have received a copy of the GNU General Public License
40 dnl along with this program; if not, write to the Free Software
41 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
44 dnl As a special exception to the GNU General Public License, if you
45 dnl distribute this file as part of a program that contains a
46 dnl configuration script generated by Autoconf, you may include it under
47 dnl the same distribution terms that you use for the rest of that
50 dnl PKG_PREREQ(MIN-VERSION)
51 dnl -----------------------
54 dnl Verify that the version of the pkg-config macros are at least
55 dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
56 dnl installed version of pkg-config, this checks the developer's version
57 dnl of pkg.m4 when generating configure.
59 dnl To ensure that this macro is defined, also add:
60 dnl m4_ifndef([PKG_PREREQ],
61 dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
63 dnl See the "Since" comment for each macro you use to see what version
64 dnl of the macros you require.
65 m4_defun([PKG_PREREQ],
66 [m4_define([PKG_MACROS_VERSION], [0.29.1])
67 m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
68 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
71 dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
72 dnl ----------------------------------
75 dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
76 dnl first found in the path. Checks that the version of pkg-config found
77 dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
78 dnl used since that's the first version where most current features of
79 dnl pkg-config existed.
80 AC_DEFUN([PKG_PROG_PKG_CONFIG],
81 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
82 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
83 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
84 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
85 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
86 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
88 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
89 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
91 if test -n "$PKG_CONFIG"; then
92 _pkg_min_version=m4_default([$1], [0.9.0])
93 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
94 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
101 ])dnl PKG_PROG_PKG_CONFIG
103 dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
104 dnl -------------------------------------------------------------------
107 dnl Check to see whether a particular set of modules exists. Similar to
108 dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
110 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
111 dnl only at the first occurence in configure.ac, so if the first place
112 dnl it's called might be skipped (such as if it is within an "if", you
113 dnl have to call PKG_CHECK_EXISTS manually
114 AC_DEFUN([PKG_CHECK_EXISTS],
115 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
116 if test -n "$PKG_CONFIG" && \
117 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
118 m4_default([$2], [:])
119 m4_ifvaln([$3], [else
123 dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
124 dnl ---------------------------------------------
125 dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
126 dnl pkg_failed based on the result.
127 m4_define([_PKG_CONFIG],
128 [if test -n "$$1"; then
130 elif test -n "$PKG_CONFIG"; then
131 PKG_CHECK_EXISTS([$3],
132 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
133 test "x$?" != "x0" && pkg_failed=yes ],
140 dnl _PKG_SHORT_ERRORS_SUPPORTED
141 dnl ---------------------------
142 dnl Internal check to see if pkg-config supports short errors.
143 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
144 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
145 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
146 _pkg_short_errors_supported=yes
148 _pkg_short_errors_supported=no
150 ])dnl _PKG_SHORT_ERRORS_SUPPORTED
153 dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
154 dnl [ACTION-IF-NOT-FOUND])
155 dnl --------------------------------------------------------------
158 dnl Note that if there is a possibility the first call to
159 dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
160 dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
161 AC_DEFUN([PKG_CHECK_MODULES],
162 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
163 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
164 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
167 AC_MSG_CHECKING([for $1])
169 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
170 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
172 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
173 and $1[]_LIBS to avoid the need to call pkg-config.
174 See the pkg-config man page for more details.])
176 if test $pkg_failed = yes; then
178 _PKG_SHORT_ERRORS_SUPPORTED
179 if test $_pkg_short_errors_supported = yes; then
180 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
182 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
184 # Put the nasty error message in config.log where it belongs
185 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
187 m4_default([$4], [AC_MSG_ERROR(
188 [Package requirements ($2) were not met:
192 Consider adjusting the PKG_CONFIG_PATH environment variable if you
193 installed software in a non-standard prefix.
197 elif test $pkg_failed = untried; then
199 m4_default([$4], [AC_MSG_FAILURE(
200 [The pkg-config script could not be found or is too old. Make sure it
201 is in your PATH or set the PKG_CONFIG environment variable to the full
206 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
209 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
210 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
214 ])dnl PKG_CHECK_MODULES
217 dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
218 dnl [ACTION-IF-NOT-FOUND])
219 dnl ---------------------------------------------------------------------
222 dnl Checks for existence of MODULES and gathers its build flags with
223 dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
224 dnl and VARIABLE-PREFIX_LIBS from --libs.
226 dnl Note that if there is a possibility the first call to
227 dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
228 dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
230 AC_DEFUN([PKG_CHECK_MODULES_STATIC],
231 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
232 _save_PKG_CONFIG=$PKG_CONFIG
233 PKG_CONFIG="$PKG_CONFIG --static"
234 PKG_CHECK_MODULES($@)
235 PKG_CONFIG=$_save_PKG_CONFIG[]dnl
236 ])dnl PKG_CHECK_MODULES_STATIC
239 dnl PKG_INSTALLDIR([DIRECTORY])
240 dnl -------------------------
243 dnl Substitutes the variable pkgconfigdir as the location where a module
244 dnl should install pkg-config .pc files. By default the directory is
245 dnl $libdir/pkgconfig, but the default can be changed by passing
246 dnl DIRECTORY. The user can override through the --with-pkgconfigdir
248 AC_DEFUN([PKG_INSTALLDIR],
249 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
250 m4_pushdef([pkg_description],
251 [pkg-config installation directory @<:@]pkg_default[@:>@])
252 AC_ARG_WITH([pkgconfigdir],
253 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
254 [with_pkgconfigdir=]pkg_default)
255 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
256 m4_popdef([pkg_default])
257 m4_popdef([pkg_description])
261 dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
262 dnl --------------------------------
265 dnl Substitutes the variable noarch_pkgconfigdir as the location where a
266 dnl module should install arch-independent pkg-config .pc files. By
267 dnl default the directory is $datadir/pkgconfig, but the default can be
268 dnl changed by passing DIRECTORY. The user can override through the
269 dnl --with-noarch-pkgconfigdir parameter.
270 AC_DEFUN([PKG_NOARCH_INSTALLDIR],
271 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
272 m4_pushdef([pkg_description],
273 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
274 AC_ARG_WITH([noarch-pkgconfigdir],
275 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
276 [with_noarch_pkgconfigdir=]pkg_default)
277 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
278 m4_popdef([pkg_default])
279 m4_popdef([pkg_description])
280 ])dnl PKG_NOARCH_INSTALLDIR
283 dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
284 dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
285 dnl -------------------------------------------
288 dnl Retrieves the value of the pkg-config variable for the given module.
289 AC_DEFUN([PKG_CHECK_VAR],
290 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
291 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
293 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
294 AS_VAR_COPY([$1], [pkg_cv_][$1])
296 AS_VAR_IF([$1], [""], [$5], [$4])dnl
299 # Copyright (C) 2002-2021 Free Software Foundation, Inc.
301 # This file is free software; the Free Software Foundation
302 # gives unlimited permission to copy and/or distribute it,
303 # with or without modifications, as long as this notice is preserved.
305 # AM_AUTOMAKE_VERSION(VERSION)
306 # ----------------------------
307 # Automake X.Y traces this macro to ensure aclocal.m4 has been
308 # generated from the m4 files accompanying Automake X.Y.
309 # (This private macro should not be called outside this file.)
310 AC_DEFUN([AM_AUTOMAKE_VERSION],
311 [am__api_version='1.16'
312 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
313 dnl require some minimum version. Point them to the right macro.
314 m4_if([$1], [1.16.5], [],
315 [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
318 # _AM_AUTOCONF_VERSION(VERSION)
319 # -----------------------------
320 # aclocal traces this macro to find the Autoconf version.
321 # This is a private macro too. Using m4_define simplifies
322 # the logic in aclocal, which can simply ignore this definition.
323 m4_define([_AM_AUTOCONF_VERSION], [])
325 # AM_SET_CURRENT_AUTOMAKE_VERSION
326 # -------------------------------
327 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
328 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
329 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
330 [AM_AUTOMAKE_VERSION([1.16.5])dnl
331 m4_ifndef([AC_AUTOCONF_VERSION],
332 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
333 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
335 # AM_AUX_DIR_EXPAND -*- Autoconf -*-
337 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
339 # This file is free software; the Free Software Foundation
340 # gives unlimited permission to copy and/or distribute it,
341 # with or without modifications, as long as this notice is preserved.
343 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
344 # $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to
345 # '$srcdir', '$srcdir/..', or '$srcdir/../..'.
347 # Of course, Automake must honor this variable whenever it calls a
348 # tool from the auxiliary directory. The problem is that $srcdir (and
349 # therefore $ac_aux_dir as well) can be either absolute or relative,
350 # depending on how configure is run. This is pretty annoying, since
351 # it makes $ac_aux_dir quite unusable in subdirectories: in the top
352 # source directory, any form will work fine, but in subdirectories a
353 # relative path needs to be adjusted first.
355 # $ac_aux_dir/missing
356 # fails when called from a subdirectory if $ac_aux_dir is relative
357 # $top_srcdir/$ac_aux_dir/missing
358 # fails if $ac_aux_dir is absolute,
359 # fails when called from a subdirectory in a VPATH build with
360 # a relative $ac_aux_dir
362 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
363 # are both prefixed by $srcdir. In an in-source build this is usually
364 # harmless because $srcdir is '.', but things will broke when you
365 # start a VPATH build or use an absolute $srcdir.
367 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
368 # iff we strip the leading $srcdir from $ac_aux_dir. That would be:
369 # am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
370 # and then we would define $MISSING as
371 # MISSING="\${SHELL} $am_aux_dir/missing"
372 # This will work as long as MISSING is not called from configure, because
373 # unfortunately $(top_srcdir) has no meaning in configure.
374 # However there are other variables, like CC, which are often used in
375 # configure, and could therefore not use this "fixed" $ac_aux_dir.
377 # Another solution, used here, is to always expand $ac_aux_dir to an
378 # absolute PATH. The drawback is that using absolute paths prevent a
379 # configured tree to be moved without reconfiguration.
381 AC_DEFUN([AM_AUX_DIR_EXPAND],
382 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
383 # Expand $ac_aux_dir to an absolute path.
384 am_aux_dir=`cd "$ac_aux_dir" && pwd`
387 # AM_COND_IF -*- Autoconf -*-
389 # Copyright (C) 2008-2021 Free Software Foundation, Inc.
391 # This file is free software; the Free Software Foundation
392 # gives unlimited permission to copy and/or distribute it,
393 # with or without modifications, as long as this notice is preserved.
399 # These macros are only used for tracing.
400 m4_define([_AM_COND_IF])
401 m4_define([_AM_COND_ELSE])
402 m4_define([_AM_COND_ENDIF])
404 # AM_COND_IF(COND, [IF-TRUE], [IF-FALSE])
405 # ---------------------------------------
406 # If the shell condition COND is true, execute IF-TRUE, otherwise execute
407 # IF-FALSE. Allow automake to learn about conditional instantiating macros
408 # (the AC_CONFIG_FOOS).
409 AC_DEFUN([AM_COND_IF],
410 [m4_ifndef([_AM_COND_VALUE_$1],
411 [m4_fatal([$0: no such condition "$1"])])dnl
413 if test -z "$$1_TRUE"; then :
416 [_AM_COND_ELSE([$1])dnl
420 _AM_COND_ENDIF([$1])dnl
424 # AM_CONDITIONAL -*- Autoconf -*-
426 # Copyright (C) 1997-2021 Free Software Foundation, Inc.
428 # This file is free software; the Free Software Foundation
429 # gives unlimited permission to copy and/or distribute it,
430 # with or without modifications, as long as this notice is preserved.
432 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
433 # -------------------------------------
434 # Define a conditional.
435 AC_DEFUN([AM_CONDITIONAL],
436 [AC_PREREQ([2.52])dnl
437 m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
438 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
439 AC_SUBST([$1_TRUE])dnl
440 AC_SUBST([$1_FALSE])dnl
441 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
442 _AM_SUBST_NOTMAKE([$1_FALSE])dnl
443 m4_define([_AM_COND_VALUE_$1], [$2])dnl
451 AC_CONFIG_COMMANDS_PRE(
452 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
453 AC_MSG_ERROR([[conditional "$1" was never defined.
454 Usually this means the macro was only invoked conditionally.]])
457 # Copyright (C) 1999-2021 Free Software Foundation, Inc.
459 # This file is free software; the Free Software Foundation
460 # gives unlimited permission to copy and/or distribute it,
461 # with or without modifications, as long as this notice is preserved.
464 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
465 # written in clear, in which case automake, when reading aclocal.m4,
466 # will think it sees a *use*, and therefore will trigger all it's
467 # C support machinery. Also note that it means that autoscan, seeing
468 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
471 # _AM_DEPENDENCIES(NAME)
472 # ----------------------
473 # See how the compiler implements dependency checking.
474 # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
475 # We try a few techniques and use that to set a single cache variable.
477 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
478 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
479 # dependency, and given that the user is not expected to run this macro,
480 # just rely on AC_PROG_CC.
481 AC_DEFUN([_AM_DEPENDENCIES],
482 [AC_REQUIRE([AM_SET_DEPDIR])dnl
483 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
484 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
485 AC_REQUIRE([AM_DEP_TRACK])dnl
487 m4_if([$1], [CC], [depcc="$CC" am_compiler_list=],
488 [$1], [CXX], [depcc="$CXX" am_compiler_list=],
489 [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
490 [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
491 [$1], [UPC], [depcc="$UPC" am_compiler_list=],
492 [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
493 [depcc="$$1" am_compiler_list=])
495 AC_CACHE_CHECK([dependency style of $depcc],
496 [am_cv_$1_dependencies_compiler_type],
497 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
498 # We make a subdir and do the tests there. Otherwise we can end up
499 # making bogus files that we don't know about and never remove. For
500 # instance it was reported that on HP-UX the gcc test will end up
501 # making a dummy file named 'D' -- because '-MD' means "put the output
505 # Copy depcomp to subdir because otherwise we won't find it if we're
506 # using a relative directory.
507 cp "$am_depcomp" conftest.dir
509 # We will build objects and dependencies in a subdirectory because
510 # it helps to detect inapplicable dependency modes. For instance
511 # both Tru64's cc and ICC support -MD to output dependencies as a
512 # side effect of compilation, but ICC will put the dependencies in
513 # the current directory while Tru64 will put them in the object
517 am_cv_$1_dependencies_compiler_type=none
518 if test "$am_compiler_list" = ""; then
519 am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
523 [case " $depcc " in #(
524 *\ -arch\ *\ -arch\ *) am__universal=true ;;
527 [case " $depcc " in #(
528 *\ -arch\ *\ -arch\ *) am__universal=true ;;
531 for depmode in $am_compiler_list; do
532 # Setup a source with many dependencies, because some compilers
533 # like to wrap large dependency lists on column 80 (with \), and
534 # we should not choose a depcomp mode which is confused by this.
536 # We need to recreate these files for each test, as the compiler may
537 # overwrite some of them when testing with obscure command lines.
538 # This happens at least with the AIX C compiler.
540 for i in 1 2 3 4 5 6; do
541 echo '#include "conftst'$i'.h"' >> sub/conftest.c
542 # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
543 # Solaris 10 /bin/sh.
544 echo '/* dummy */' > sub/conftst$i.h
546 echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
548 # We check with '-c' and '-o' for the sake of the "dashmstdout"
549 # mode. It turns out that the SunPro C++ compiler does not properly
550 # handle '-M -o', and we need to detect this. Also, some Intel
551 # versions had trouble with output in subdirs.
552 am__obj=sub/conftest.${OBJEXT-o}
553 am__minus_obj="-o $am__obj"
556 # This depmode causes a compiler race in universal mode.
557 test "$am__universal" = false || continue
560 # After this tag, mechanisms are not by side-effect, so they'll
561 # only be used when explicitly requested.
562 if test "x$enable_dependency_tracking" = xyes; then
568 msvc7 | msvc7msys | msvisualcpp | msvcmsys)
569 # This compiler won't grok '-c -o', but also, the minuso test has
570 # not run yet. These depmodes are late enough in the game, and
571 # so weak that their functioning should not be impacted.
572 am__obj=conftest.${OBJEXT-o}
577 if depmode=$depmode \
578 source=sub/conftest.c object=$am__obj \
579 depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
580 $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
581 >/dev/null 2>conftest.err &&
582 grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
583 grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
584 grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
585 ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
586 # icc doesn't choke on unknown options, it will just issue warnings
587 # or remarks (even with -Werror). So we grep stderr for any message
588 # that says an option was ignored or not supported.
589 # When given -MP, icc 7.0 and 7.1 complain thusly:
590 # icc: Command line warning: ignoring option '-M'; no argument required
591 # The diagnosis changed in icc 8.0:
592 # icc: Command line remark: option '-MP' not supported
593 if (grep 'ignoring option' conftest.err ||
594 grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
595 am_cv_$1_dependencies_compiler_type=$depmode
604 am_cv_$1_dependencies_compiler_type=none
607 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
608 AM_CONDITIONAL([am__fastdep$1], [
609 test "x$enable_dependency_tracking" != xno \
610 && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
616 # Choose a directory name for dependency files.
617 # This macro is AC_REQUIREd in _AM_DEPENDENCIES.
618 AC_DEFUN([AM_SET_DEPDIR],
619 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
620 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
626 AC_DEFUN([AM_DEP_TRACK],
627 [AC_ARG_ENABLE([dependency-tracking], [dnl
629 [--enable-dependency-tracking],
630 [do not reject slow dependency extractors])
632 [--disable-dependency-tracking],
633 [speeds up one-time build])])
634 if test "x$enable_dependency_tracking" != xno; then
635 am_depcomp="$ac_aux_dir/depcomp"
639 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
640 AC_SUBST([AMDEPBACKSLASH])dnl
641 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
642 AC_SUBST([am__nodep])dnl
643 _AM_SUBST_NOTMAKE([am__nodep])dnl
646 # Generate code to set up dependency tracking. -*- Autoconf -*-
648 # Copyright (C) 1999-2021 Free Software Foundation, Inc.
650 # This file is free software; the Free Software Foundation
651 # gives unlimited permission to copy and/or distribute it,
652 # with or without modifications, as long as this notice is preserved.
654 # _AM_OUTPUT_DEPENDENCY_COMMANDS
655 # ------------------------------
656 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
658 # Older Autoconf quotes --file arguments for eval, but not when files
659 # are listed without --file. Let's play safe and only enable the eval
660 # if we detect the quoting.
661 # TODO: see whether this extra hack can be removed once we start
662 # requiring Autoconf 2.70 or later.
663 AS_CASE([$CONFIG_FILES],
664 [*\'*], [eval set x "$CONFIG_FILES"],
665 [*], [set x $CONFIG_FILES])
667 # Used to flag and report bootstrapping failures.
671 # Strip MF so we end up with the name of the file.
672 am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
673 # Check whether this is an Automake generated Makefile which includes
674 # dependency-tracking related rules and includes.
675 # Grep'ing the whole file directly is not great: AIX grep has a line
676 # limit of 2048, but all sed's we know have understand at least 4000.
677 sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
679 am_dirpart=`AS_DIRNAME(["$am_mf"])`
680 am_filepart=`AS_BASENAME(["$am_mf"])`
681 AM_RUN_LOG([cd "$am_dirpart" \
682 && sed -e '/# am--include-marker/d' "$am_filepart" \
683 | $MAKE -f - am--depfiles]) || am_rc=$?
685 if test $am_rc -ne 0; then
686 AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
687 for automatic dependency tracking. If GNU make was not used, consider
688 re-running the configure script with MAKE="gmake" (or whatever is
689 necessary). You can also try re-running configure with the
690 '--disable-dependency-tracking' option to at least be able to build
691 the package (albeit without support for automatic dependency tracking).])
693 AS_UNSET([am_dirpart])
694 AS_UNSET([am_filepart])
697 rm -f conftest-deps.mk
699 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
702 # AM_OUTPUT_DEPENDENCY_COMMANDS
703 # -----------------------------
704 # This macro should only be invoked once -- use via AC_REQUIRE.
706 # This code is only required when automatic dependency tracking is enabled.
707 # This creates each '.Po' and '.Plo' makefile fragment that we'll need in
708 # order to bootstrap the dependency handling code.
709 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
710 [AC_CONFIG_COMMANDS([depfiles],
711 [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
712 [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
715 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
717 # This file is free software; the Free Software Foundation
718 # gives unlimited permission to copy and/or distribute it,
719 # with or without modifications, as long as this notice is preserved.
721 AC_DEFUN([AM_WITH_DMALLOC],
722 [AC_MSG_CHECKING([if malloc debugging is wanted])
723 AC_ARG_WITH([dmalloc],
724 [AS_HELP_STRING([--with-dmalloc],
725 [use dmalloc, as in http://www.dmalloc.com])],
726 [if test "$withval" = yes; then
728 AC_DEFINE([WITH_DMALLOC], [1],
729 [Define if using the dmalloc debugging malloc package])
730 LIBS="$LIBS -ldmalloc"
731 LDFLAGS="$LDFLAGS -g"
734 fi], [AC_MSG_RESULT([no])])
737 # Do all the work for Automake. -*- Autoconf -*-
739 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
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.
745 # This macro actually does too much. Some checks are only needed if
746 # your package does certain things. But this isn't really a big deal.
748 dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
749 m4_define([AC_PROG_CC],
750 m4_defn([AC_PROG_CC])
754 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
755 # AM_INIT_AUTOMAKE([OPTIONS])
756 # -----------------------------------------------
757 # The call with PACKAGE and VERSION arguments is the old style
758 # call (pre autoconf-2.50), which is being phased out. PACKAGE
759 # and VERSION should now be passed to AC_INIT and removed from
760 # the call to AM_INIT_AUTOMAKE.
761 # We support both call styles for the transition. After
762 # the next Automake release, Autoconf can make the AC_INIT
763 # arguments mandatory, and then we can depend on a new Autoconf
764 # release and drop the old call support.
765 AC_DEFUN([AM_INIT_AUTOMAKE],
766 [AC_PREREQ([2.65])dnl
767 m4_ifdef([_$0_ALREADY_INIT],
768 [m4_fatal([$0 expanded multiple times
769 ]m4_defn([_$0_ALREADY_INIT]))],
770 [m4_define([_$0_ALREADY_INIT], m4_expansion_stack)])dnl
771 dnl Autoconf wants to disallow AM_ names. We explicitly allow
772 dnl the ones we care about.
773 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
774 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
775 AC_REQUIRE([AC_PROG_INSTALL])dnl
776 if test "`cd $srcdir && pwd`" != "`pwd`"; then
777 # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
778 # is not polluted with repeated "-I."
779 AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
780 # test to see if srcdir already configured
781 if test -f $srcdir/config.status; then
782 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
786 # test whether we have cygpath
787 if test -z "$CYGPATH_W"; then
788 if (cygpath --version) >/dev/null 2>/dev/null; then
789 CYGPATH_W='cygpath -w'
794 AC_SUBST([CYGPATH_W])
796 # Define the identity of the package.
797 dnl Distinguish between old-style and new-style calls.
799 [AC_DIAGNOSE([obsolete],
800 [$0: two- and three-arguments forms are deprecated.])
801 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
802 AC_SUBST([PACKAGE], [$1])dnl
803 AC_SUBST([VERSION], [$2])],
804 [_AM_SET_OPTIONS([$1])dnl
805 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
807 m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]),
809 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
810 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
811 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
813 _AM_IF_OPTION([no-define],,
814 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
815 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
817 # Some tools Automake needs.
818 AC_REQUIRE([AM_SANITY_CHECK])dnl
819 AC_REQUIRE([AC_ARG_PROGRAM])dnl
820 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
821 AM_MISSING_PROG([AUTOCONF], [autoconf])
822 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
823 AM_MISSING_PROG([AUTOHEADER], [autoheader])
824 AM_MISSING_PROG([MAKEINFO], [makeinfo])
825 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
826 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
827 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
828 # For better backward compatibility. To be removed once Automake 1.9.x
829 # dies out for good. For more background, see:
830 # <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
831 # <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
832 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
833 # We need awk for the "check" target (and possibly the TAP driver). The
834 # system "awk" is bad on some platforms.
835 AC_REQUIRE([AC_PROG_AWK])dnl
836 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
837 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
838 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
839 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
840 [_AM_PROG_TAR([v7])])])
841 _AM_IF_OPTION([no-dependencies],,
842 [AC_PROVIDE_IFELSE([AC_PROG_CC],
843 [_AM_DEPENDENCIES([CC])],
844 [m4_define([AC_PROG_CC],
845 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
846 AC_PROVIDE_IFELSE([AC_PROG_CXX],
847 [_AM_DEPENDENCIES([CXX])],
848 [m4_define([AC_PROG_CXX],
849 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
850 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
851 [_AM_DEPENDENCIES([OBJC])],
852 [m4_define([AC_PROG_OBJC],
853 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
854 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
855 [_AM_DEPENDENCIES([OBJCXX])],
856 [m4_define([AC_PROG_OBJCXX],
857 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
859 # Variables for tags utilities; see am/tags.am
860 if test -z "$CTAGS"; then
864 if test -z "$ETAGS"; then
868 if test -z "$CSCOPE"; then
873 AC_REQUIRE([AM_SILENT_RULES])dnl
874 dnl The testsuite driver may need to know about EXEEXT, so add the
875 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
876 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
877 AC_CONFIG_COMMANDS_PRE(dnl
878 [m4_provide_if([_AM_COMPILER_EXEEXT],
879 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
881 # POSIX will say in a future version that running "rm -f" with no argument
882 # is OK; and we want to be able to make that assumption in our Makefile
883 # recipes. So use an aggressive probe to check that the usage we want is
884 # actually supported "in the wild" to an acceptable degree.
885 # See automake bug#10828.
886 # To make any issue more visible, cause the running configure to be aborted
887 # by default if the 'rm' program in use doesn't match our expectations; the
888 # user can still override this though.
889 if rm -f && rm -fr && rm -rf; then : OK; else
893 Your 'rm' program seems unable to run without file operands specified
894 on the command line, even when the '-f' option is present. This is contrary
895 to the behaviour of most rm programs out there, and not conforming with
896 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
898 Please tell bug-automake@gnu.org about your system, including the value
899 of your $PATH and any error possibly output before this message. This
900 can help us improve future automake versions.
903 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
904 echo 'Configuration will proceed anyway, since you have set the' >&2
905 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
909 Aborting the configuration process, to ensure you take notice of the issue.
911 You can download and install GNU coreutils to get an 'rm' implementation
912 that behaves properly: <https://www.gnu.org/software/coreutils/>.
914 If you want to complete the configuration process using your problematic
915 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
916 to "yes", and re-run configure.
919 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
922 dnl The trailing newline in this macro's definition is deliberate, for
923 dnl backward compatibility and to allow trailing 'dnl'-style comments
924 dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
927 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
928 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
929 dnl mangled by Autoconf and run in a shell conditional statement.
930 m4_define([_AC_COMPILER_EXEEXT],
931 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
933 # When config.status generates a header, we must update the stamp-h file.
934 # This file resides in the same directory as the config header
935 # that is generated. The stamp files are numbered to have different names.
937 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
938 # loop where config.status creates the headers, so we can generate
939 # our stamp files there.
940 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
941 [# Compute $1's index in $config_headers.
944 for _am_header in $config_headers :; do
946 $_am_arg | $_am_arg:* )
949 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
952 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
954 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
956 # This file is free software; the Free Software Foundation
957 # gives unlimited permission to copy and/or distribute it,
958 # with or without modifications, as long as this notice is preserved.
962 # Define $install_sh.
963 AC_DEFUN([AM_PROG_INSTALL_SH],
964 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
965 if test x"${install_sh+set}" != xset; then
968 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
970 install_sh="\${SHELL} $am_aux_dir/install-sh"
973 AC_SUBST([install_sh])])
975 # Copyright (C) 2003-2021 Free Software Foundation, Inc.
977 # This file is free software; the Free Software Foundation
978 # gives unlimited permission to copy and/or distribute it,
979 # with or without modifications, as long as this notice is preserved.
981 # Check whether the underlying file-system supports filenames
982 # with a leading dot. For instance MS-DOS doesn't.
983 AC_DEFUN([AM_SET_LEADING_DOT],
984 [rm -rf .tst 2>/dev/null
985 mkdir .tst 2>/dev/null
986 if test -d .tst; then
991 rmdir .tst 2>/dev/null
992 AC_SUBST([am__leading_dot])])
994 # Check to see how 'make' treats includes. -*- Autoconf -*-
996 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
998 # This file is free software; the Free Software Foundation
999 # gives unlimited permission to copy and/or distribute it,
1000 # with or without modifications, as long as this notice is preserved.
1004 # Check whether make has an 'include' directive that can support all
1005 # the idioms we need for our automatic dependency tracking code.
1006 AC_DEFUN([AM_MAKE_INCLUDE],
1007 [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
1008 cat > confinc.mk << 'END'
1010 @echo this is the am__doit target >confinc.out
1015 # BSD make does it like this.
1016 echo '.include "confinc.mk" # ignored' > confmf.BSD
1017 # Other make implementations (GNU, Solaris 10, AIX) do it like this.
1018 echo 'include confinc.mk # ignored' > confmf.GNU
1020 for s in GNU BSD; do
1021 AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
1022 AS_CASE([$?:`cat confinc.out 2>/dev/null`],
1023 ['0:this is the am__doit target'],
1025 [BSD], [am__include='.include' am__quote='"'],
1026 [am__include='include' am__quote=''])])
1027 if test "$am__include" != "#"; then
1028 _am_result="yes ($s style)"
1032 rm -f confinc.* confmf.*
1033 AC_MSG_RESULT([${_am_result}])
1034 AC_SUBST([am__include])])
1035 AC_SUBST([am__quote])])
1037 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
1039 # Copyright (C) 1997-2021 Free Software Foundation, Inc.
1041 # This file is free software; the Free Software Foundation
1042 # gives unlimited permission to copy and/or distribute it,
1043 # with or without modifications, as long as this notice is preserved.
1045 # AM_MISSING_PROG(NAME, PROGRAM)
1046 # ------------------------------
1047 AC_DEFUN([AM_MISSING_PROG],
1048 [AC_REQUIRE([AM_MISSING_HAS_RUN])
1049 $1=${$1-"${am_missing_run}$2"}
1052 # AM_MISSING_HAS_RUN
1053 # ------------------
1054 # Define MISSING if not defined so far and test if it is modern enough.
1055 # If it is, set am_missing_run to use it, otherwise, to nothing.
1056 AC_DEFUN([AM_MISSING_HAS_RUN],
1057 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1058 AC_REQUIRE_AUX_FILE([missing])dnl
1059 if test x"${MISSING+set}" != xset; then
1060 MISSING="\${SHELL} '$am_aux_dir/missing'"
1062 # Use eval to expand $SHELL
1063 if eval "$MISSING --is-lightweight"; then
1064 am_missing_run="$MISSING "
1067 AC_MSG_WARN(['missing' script is too old or missing])
1071 # Helper functions for option handling. -*- Autoconf -*-
1073 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
1075 # This file is free software; the Free Software Foundation
1076 # gives unlimited permission to copy and/or distribute it,
1077 # with or without modifications, as long as this notice is preserved.
1079 # _AM_MANGLE_OPTION(NAME)
1080 # -----------------------
1081 AC_DEFUN([_AM_MANGLE_OPTION],
1082 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
1084 # _AM_SET_OPTION(NAME)
1085 # --------------------
1086 # Set option NAME. Presently that only means defining a flag for this option.
1087 AC_DEFUN([_AM_SET_OPTION],
1088 [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
1090 # _AM_SET_OPTIONS(OPTIONS)
1091 # ------------------------
1092 # OPTIONS is a space-separated list of Automake options.
1093 AC_DEFUN([_AM_SET_OPTIONS],
1094 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1096 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
1097 # -------------------------------------------
1098 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
1099 AC_DEFUN([_AM_IF_OPTION],
1100 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
1102 # Copyright (C) 1999-2021 Free Software Foundation, Inc.
1104 # This file is free software; the Free Software Foundation
1105 # gives unlimited permission to copy and/or distribute it,
1106 # with or without modifications, as long as this notice is preserved.
1110 # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
1111 # to automatically call this.
1112 AC_DEFUN([_AM_PROG_CC_C_O],
1113 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1114 AC_REQUIRE_AUX_FILE([compile])dnl
1115 AC_LANG_PUSH([C])dnl
1117 [whether $CC understands -c and -o together],
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1119 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
1120 # Make sure it works both with $CC and with simple cc.
1121 # Following AC_PROG_CC_C_O, we do the test twice because some
1122 # compilers refuse to overwrite an existing .o file with -o,
1123 # though they will create one.
1124 am_cv_prog_cc_c_o=yes
1126 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
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1130 am_cv_prog_cc_c_o=no
1134 rm -f core conftest*
1136 if test "$am_cv_prog_cc_c_o" != yes; then
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1138 # FIXME: It is wrong to rewrite CC.
1139 # But if we don't then we get into trouble of one sort or another.
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1141 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
1142 CC="$am_aux_dir/compile $CC"
1146 # For backward compatibility.
1147 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
1149 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
1151 # This file is free software; the Free Software Foundation
1152 # gives unlimited permission to copy and/or distribute it,
1153 # with or without modifications, as long as this notice is preserved.
1155 # AM_RUN_LOG(COMMAND)
1156 # -------------------
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1159 AC_DEFUN([AM_RUN_LOG],
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1163 echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1164 (exit $ac_status); }])
1166 # Check to make sure that the build environment is sane. -*- Autoconf -*-
1168 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
1170 # This file is free software; the Free Software Foundation
1171 # gives unlimited permission to copy and/or distribute it,
1172 # with or without modifications, as long as this notice is preserved.
1176 AC_DEFUN([AM_SANITY_CHECK],
1177 [AC_MSG_CHECKING([whether build environment is sane])
1178 # Reject unsafe characters in $srcdir or the absolute working directory
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1188 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
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1192 # arguments. Must try -L first in case configure is actually a
1193 # symlink; some systems play weird games with the mod time of symlinks
1194 # (eg FreeBSD returns the mod time of the symlink's containing
1198 for am_try in 1 2; do
1199 echo "timestamp, slept: $am_has_slept" > conftest.file
1200 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1201 if test "$[*]" = "X"; then
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1205 if test "$[*]" != "X $srcdir/configure conftest.file" \
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1209 # if, for instance, CONFIG_SHELL is bash and it inherits a
1210 # broken ls alias from the environment. This has actually
1211 # happened. Such a system could not be considered "sane".
1212 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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1215 if test "$[2]" = conftest.file || test $am_try -eq 2; then
1222 test "$[2]" = conftest.file
1228 AC_MSG_ERROR([newly created file is older than distributed files!
1229 Check your system clock])
1231 AC_MSG_RESULT([yes])
1232 # If we didn't sleep, we still need to ensure time stamps of config.status and
1233 # generated files are strictly newer.
1235 if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1239 AC_CONFIG_COMMANDS_PRE(
1240 [AC_MSG_CHECKING([that generated files are newer than configure])
1241 if test -n "$am_sleep_pid"; then
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1243 wait $am_sleep_pid 2>/dev/null
1245 AC_MSG_RESULT([done])])
1249 # Copyright (C) 2009-2021 Free Software Foundation, Inc.
1251 # This file is free software; the Free Software Foundation
1252 # gives unlimited permission to copy and/or distribute it,
1253 # with or without modifications, as long as this notice is preserved.
1255 # AM_SILENT_RULES([DEFAULT])
1256 # --------------------------
1257 # Enable less verbose build rules; with the default set to DEFAULT
1258 # ("yes" being less verbose, "no" or empty being verbose).
1259 AC_DEFUN([AM_SILENT_RULES],
1260 [AC_ARG_ENABLE([silent-rules], [dnl
1262 [--enable-silent-rules],
1263 [less verbose build output (undo: "make V=1")])
1265 [--disable-silent-rules],
1266 [verbose build output (undo: "make V=0")])dnl
1268 case $enable_silent_rules in @%:@ (((
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1270 no) AM_DEFAULT_VERBOSITY=1;;
1271 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1274 dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1275 dnl do not support nested variable expansions.
1276 dnl See automake bug#9928 and bug#10237.
1277 am_make=${MAKE-make}
1278 AC_CACHE_CHECK([whether $am_make supports nested variables],
1279 [am_cv_make_support_nested_variables],
1280 [if AS_ECHO([['TRUE=$(BAR$(V))
1286 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1287 am_cv_make_support_nested_variables=yes
1289 am_cv_make_support_nested_variables=no
1291 if test $am_cv_make_support_nested_variables = yes; then
1292 dnl Using '$V' instead of '$(V)' breaks IRIX make.
1294 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1296 AM_V=$AM_DEFAULT_VERBOSITY
1297 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1300 AM_SUBST_NOTMAKE([AM_V])dnl
1301 AC_SUBST([AM_DEFAULT_V])dnl
1302 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1303 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1305 AC_SUBST([AM_BACKSLASH])dnl
1306 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1309 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
1311 # This file is free software; the Free Software Foundation
1312 # gives unlimited permission to copy and/or distribute it,
1313 # with or without modifications, as long as this notice is preserved.
1315 # AM_PROG_INSTALL_STRIP
1316 # ---------------------
1317 # One issue with vendor 'install' (even GNU) is that you can't
1318 # specify the program used to strip binaries. This is especially
1319 # annoying in cross-compiling environments, where the build's strip
1320 # is unlikely to handle the host's binaries.
1321 # Fortunately install-sh will honor a STRIPPROG variable, so we
1322 # always use install-sh in "make install-strip", and initialize
1323 # STRIPPROG with the value of the STRIP variable (set by the user).
1324 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1325 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1326 # Installed binaries are usually stripped using 'strip' when the user
1327 # run "make install-strip". However 'strip' might not be the right
1328 # tool to use in cross-compilation environments, therefore Automake
1329 # will honor the 'STRIP' environment variable to overrule this program.
1330 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1331 if test "$cross_compiling" != no; then
1332 AC_CHECK_TOOL([STRIP], [strip], :)
1334 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1335 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1337 # Copyright (C) 2006-2021 Free Software Foundation, Inc.
1339 # This file is free software; the Free Software Foundation
1340 # gives unlimited permission to copy and/or distribute it,
1341 # with or without modifications, as long as this notice is preserved.
1343 # _AM_SUBST_NOTMAKE(VARIABLE)
1344 # ---------------------------
1345 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1346 # This macro is traced by Automake.
1347 AC_DEFUN([_AM_SUBST_NOTMAKE])
1349 # AM_SUBST_NOTMAKE(VARIABLE)
1350 # --------------------------
1351 # Public sister of _AM_SUBST_NOTMAKE.
1352 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1354 # Check how to create a tarball. -*- Autoconf -*-
1356 # Copyright (C) 2004-2021 Free Software Foundation, Inc.
1358 # This file is free software; the Free Software Foundation
1359 # gives unlimited permission to copy and/or distribute it,
1360 # with or without modifications, as long as this notice is preserved.
1362 # _AM_PROG_TAR(FORMAT)
1363 # --------------------
1364 # Check how to create a tarball in format FORMAT.
1365 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
1367 # Substitute a variable $(am__tar) that is a command
1368 # writing to stdout a FORMAT-tarball containing the directory
1370 # tardir=directory && $(am__tar) > result.tar
1372 # Substitute a variable $(am__untar) that extract such
1373 # a tarball read from stdin.
1374 # $(am__untar) < result.tar
1376 AC_DEFUN([_AM_PROG_TAR],
1377 [# Always define AMTAR for backward compatibility. Yes, it's still used
1378 # in the wild :-( We should find a proper way to deprecate it ...
1379 AC_SUBST([AMTAR], ['$${TAR-tar}'])
1381 # We'll loop over all known methods to create a tar archive until one works.
1382 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1385 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1389 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1390 # There is notably a 21 bits limit for the UID and the GID. In fact,
1391 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1393 am_max_uid=2097151 # 2^21 - 1
1394 am_max_gid=$am_max_uid
1395 # The $UID and $GID variables are not portable, so we need to resort
1396 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1397 # below are definitely unexpected, so allow the users to see them
1398 # (that is, avoid stderr redirection).
1399 am_uid=`id -u || echo unknown`
1400 am_gid=`id -g || echo unknown`
1401 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1402 if test $am_uid -le $am_max_uid; then
1403 AC_MSG_RESULT([yes])
1408 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1409 if test $am_gid -le $am_max_gid; then
1410 AC_MSG_RESULT([yes])
1419 [m4_fatal([Unknown tar format])])
1421 AC_MSG_CHECKING([how to create a $1 tar archive])
1423 # Go ahead even if we have the value already cached. We do so because we
1424 # need to set the values for the 'am__tar' and 'am__untar' variables.
1425 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1427 for _am_tool in $_am_tools; do
1430 for _am_tar in tar gnutar gtar; do
1431 AM_RUN_LOG([$_am_tar --version]) && break
1433 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1434 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1435 am__untar="$_am_tar -xf -"
1438 # Must skip GNU tar: if it does not support --format= it doesn't create
1439 # ustar tarball either.
1440 (tar --version) >/dev/null 2>&1 && continue
1441 am__tar='tar chf - "$$tardir"'
1442 am__tar_='tar chf - "$tardir"'
1443 am__untar='tar xf -'
1446 am__tar='pax -L -x $1 -w "$$tardir"'
1447 am__tar_='pax -L -x $1 -w "$tardir"'
1451 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1452 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1453 am__untar='cpio -i -H $1 -d'
1462 # If the value was cached, stop now. We just wanted to have am__tar
1463 # and am__untar set.
1464 test -n "${am_cv_prog_tar_$1}" && break
1466 # tar/untar a dummy directory, and stop if the command works.
1469 echo GrepMe > conftest.dir/file
1470 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1472 if test -s conftest.tar; then
1473 AM_RUN_LOG([$am__untar <conftest.tar])
1474 AM_RUN_LOG([cat conftest.dir/file])
1475 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1480 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1481 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1484 AC_SUBST([am__untar])
1487 m4_include([m4/00gnulib.m4])
1488 m4_include([m4/acinclude.m4])
1489 m4_include([m4/alloca.m4])
1490 m4_include([m4/asm-underscore.m4])
1491 m4_include([m4/dospaths.m4])
1492 m4_include([m4/eaccess.m4])
1493 m4_include([m4/extensions.m4])
1494 m4_include([m4/findprog-in.m4])
1495 m4_include([m4/getloadavg.m4])
1496 m4_include([m4/gettext.m4])
1497 m4_include([m4/gnulib-common.m4])
1498 m4_include([m4/gnulib-comp.m4])
1499 m4_include([m4/host-cpu-c-abi.m4])
1500 m4_include([m4/iconv.m4])
1501 m4_include([m4/intlmacosx.m4])
1502 m4_include([m4/largefile.m4])
1503 m4_include([m4/lib-ld.m4])
1504 m4_include([m4/lib-link.m4])
1505 m4_include([m4/lib-prefix.m4])
1506 m4_include([m4/longlong.m4])
1507 m4_include([m4/nls.m4])
1508 m4_include([m4/po.m4])
1509 m4_include([m4/progtest.m4])
1510 m4_include([m4/sig_atomic_t.m4])
1511 m4_include([m4/stdbool.m4])
1512 m4_include([m4/warn-on-use.m4])
1513 m4_include([m4/year2038.m4])
1514 m4_include([m4/zzgnulib.m4])