1# generated automatically by aclocal 1.16.4 -*- Autoconf -*-
2
3# Copyright (C) 1996-2021 Free Software Foundation, Inc.
4
5# This file is free software; the Free Software Foundation
6# gives unlimited permission to copy and/or distribute it,
7# with or without modifications, as long as this notice is preserved.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12# PARTICULAR PURPOSE.
13
14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
15m4_ifndef([AC_AUTOCONF_VERSION],
16  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],,
18[m4_warning([this file was generated for autoconf 2.71.
19You have another version of autoconf.  It may work, but is not guaranteed to.
20If you have problems, you may need to regenerate the build system entirely.
21To do so, use the procedure documented by the package, typically 'autoreconf'.])])
22
23# pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
24# serial 12 (pkg-config-0.29.2)
25
26dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
27dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
28dnl
29dnl This program is free software; you can redistribute it and/or modify
30dnl it under the terms of the GNU General Public License as published by
31dnl the Free Software Foundation; either version 2 of the License, or
32dnl (at your option) any later version.
33dnl
34dnl This program is distributed in the hope that it will be useful, but
35dnl WITHOUT ANY WARRANTY; without even the implied warranty of
36dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
37dnl General Public License for more details.
38dnl
39dnl You should have received a copy of the GNU General Public License
40dnl along with this program; if not, write to the Free Software
41dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
42dnl 02111-1307, USA.
43dnl
44dnl As a special exception to the GNU General Public License, if you
45dnl distribute this file as part of a program that contains a
46dnl configuration script generated by Autoconf, you may include it under
47dnl the same distribution terms that you use for the rest of that
48dnl program.
49
50dnl PKG_PREREQ(MIN-VERSION)
51dnl -----------------------
52dnl Since: 0.29
53dnl
54dnl Verify that the version of the pkg-config macros are at least
55dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
56dnl installed version of pkg-config, this checks the developer's version
57dnl of pkg.m4 when generating configure.
58dnl
59dnl To ensure that this macro is defined, also add:
60dnl m4_ifndef([PKG_PREREQ],
61dnl     [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
62dnl
63dnl See the "Since" comment for each macro you use to see what version
64dnl of the macros you require.
65m4_defun([PKG_PREREQ],
66[m4_define([PKG_MACROS_VERSION], [0.29.2])
67m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
68    [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
69])dnl PKG_PREREQ
70
71dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
72dnl ----------------------------------
73dnl Since: 0.16
74dnl
75dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
76dnl first found in the path. Checks that the version of pkg-config found
77dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
78dnl used since that's the first version where most current features of
79dnl pkg-config existed.
80AC_DEFUN([PKG_PROG_PKG_CONFIG],
81[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
82m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
83m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
84AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
85AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
86AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
87
88if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
89	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
90fi
91if test -n "$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 $_pkg_min_version; then
95		AC_MSG_RESULT([yes])
96	else
97		AC_MSG_RESULT([no])
98		PKG_CONFIG=""
99	fi
100fi[]dnl
101])dnl PKG_PROG_PKG_CONFIG
102
103dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
104dnl -------------------------------------------------------------------
105dnl Since: 0.18
106dnl
107dnl Check to see whether a particular set of modules exists. Similar to
108dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
109dnl
110dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
111dnl only at the first occurence in configure.ac, so if the first place
112dnl it's called might be skipped (such as if it is within an "if", you
113dnl have to call PKG_CHECK_EXISTS manually
114AC_DEFUN([PKG_CHECK_EXISTS],
115[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
116if test -n "$PKG_CONFIG" && \
117    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
118  m4_default([$2], [:])
119m4_ifvaln([$3], [else
120  $3])dnl
121fi])
122
123dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
124dnl ---------------------------------------------
125dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
126dnl pkg_failed based on the result.
127m4_define([_PKG_CONFIG],
128[if test -n "$$1"; then
129    pkg_cv_[]$1="$$1"
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 ],
134		     [pkg_failed=yes])
135 else
136    pkg_failed=untried
137fi[]dnl
138])dnl _PKG_CONFIG
139
140dnl _PKG_SHORT_ERRORS_SUPPORTED
141dnl ---------------------------
142dnl Internal check to see if pkg-config supports short errors.
143AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
144[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
145if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
146        _pkg_short_errors_supported=yes
147else
148        _pkg_short_errors_supported=no
149fi[]dnl
150])dnl _PKG_SHORT_ERRORS_SUPPORTED
151
152
153dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
154dnl   [ACTION-IF-NOT-FOUND])
155dnl --------------------------------------------------------------
156dnl Since: 0.4.0
157dnl
158dnl Note that if there is a possibility the first call to
159dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
160dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
161AC_DEFUN([PKG_CHECK_MODULES],
162[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
163AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
164AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
165
166pkg_failed=no
167AC_MSG_CHECKING([for $2])
168
169_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
170_PKG_CONFIG([$1][_LIBS], [libs], [$2])
171
172m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
173and $1[]_LIBS to avoid the need to call pkg-config.
174See the pkg-config man page for more details.])
175
176if test $pkg_failed = yes; then
177        AC_MSG_RESULT([no])
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`
181        else
182	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
183        fi
184	# Put the nasty error message in config.log where it belongs
185	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
186
187	m4_default([$4], [AC_MSG_ERROR(
188[Package requirements ($2) were not met:
189
190$$1_PKG_ERRORS
191
192Consider adjusting the PKG_CONFIG_PATH environment variable if you
193installed software in a non-standard prefix.
194
195_PKG_TEXT])[]dnl
196        ])
197elif test $pkg_failed = untried; then
198        AC_MSG_RESULT([no])
199	m4_default([$4], [AC_MSG_FAILURE(
200[The pkg-config script could not be found or is too old.  Make sure it
201is in your PATH or set the PKG_CONFIG environment variable to the full
202path to pkg-config.
203
204_PKG_TEXT
205
206To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
207        ])
208else
209	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
210	$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
211        AC_MSG_RESULT([yes])
212	$3
213fi[]dnl
214])dnl PKG_CHECK_MODULES
215
216
217dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
218dnl   [ACTION-IF-NOT-FOUND])
219dnl ---------------------------------------------------------------------
220dnl Since: 0.29
221dnl
222dnl Checks for existence of MODULES and gathers its build flags with
223dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
224dnl and VARIABLE-PREFIX_LIBS from --libs.
225dnl
226dnl Note that if there is a possibility the first call to
227dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
228dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
229dnl configure.ac.
230AC_DEFUN([PKG_CHECK_MODULES_STATIC],
231[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
232_save_PKG_CONFIG=$PKG_CONFIG
233PKG_CONFIG="$PKG_CONFIG --static"
234PKG_CHECK_MODULES($@)
235PKG_CONFIG=$_save_PKG_CONFIG[]dnl
236])dnl PKG_CHECK_MODULES_STATIC
237
238
239dnl PKG_INSTALLDIR([DIRECTORY])
240dnl -------------------------
241dnl Since: 0.27
242dnl
243dnl Substitutes the variable pkgconfigdir as the location where a module
244dnl should install pkg-config .pc files. By default the directory is
245dnl $libdir/pkgconfig, but the default can be changed by passing
246dnl DIRECTORY. The user can override through the --with-pkgconfigdir
247dnl parameter.
248AC_DEFUN([PKG_INSTALLDIR],
249[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
250m4_pushdef([pkg_description],
251    [pkg-config installation directory @<:@]pkg_default[@:>@])
252AC_ARG_WITH([pkgconfigdir],
253    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
254    [with_pkgconfigdir=]pkg_default)
255AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
256m4_popdef([pkg_default])
257m4_popdef([pkg_description])
258])dnl PKG_INSTALLDIR
259
260
261dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
262dnl --------------------------------
263dnl Since: 0.27
264dnl
265dnl Substitutes the variable noarch_pkgconfigdir as the location where a
266dnl module should install arch-independent pkg-config .pc files. By
267dnl default the directory is $datadir/pkgconfig, but the default can be
268dnl changed by passing DIRECTORY. The user can override through the
269dnl --with-noarch-pkgconfigdir parameter.
270AC_DEFUN([PKG_NOARCH_INSTALLDIR],
271[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
272m4_pushdef([pkg_description],
273    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
274AC_ARG_WITH([noarch-pkgconfigdir],
275    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
276    [with_noarch_pkgconfigdir=]pkg_default)
277AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
278m4_popdef([pkg_default])
279m4_popdef([pkg_description])
280])dnl PKG_NOARCH_INSTALLDIR
281
282
283dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
284dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
285dnl -------------------------------------------
286dnl Since: 0.28
287dnl
288dnl Retrieves the value of the pkg-config variable for the given module.
289AC_DEFUN([PKG_CHECK_VAR],
290[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
291AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
292
293_PKG_CONFIG([$1], [variable="][$3]["], [$2])
294AS_VAR_COPY([$1], [pkg_cv_][$1])
295
296AS_VAR_IF([$1], [""], [$5], [$4])dnl
297])dnl PKG_CHECK_VAR
298
299# Copyright (C) 2002-2021 Free Software Foundation, Inc.
300#
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.
304
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.)
310AC_DEFUN([AM_AUTOMAKE_VERSION],
311[am__api_version='1.16'
312dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
313dnl require some minimum version.  Point them to the right macro.
314m4_if([$1], [1.16.4], [],
315      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
316])
317
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.
323m4_define([_AM_AUTOCONF_VERSION], [])
324
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.
329AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
330[AM_AUTOMAKE_VERSION([1.16.4])dnl
331m4_ifndef([AC_AUTOCONF_VERSION],
332  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
333_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
334
335# Copyright (C) 2011-2021 Free Software Foundation, Inc.
336#
337# This file is free software; the Free Software Foundation
338# gives unlimited permission to copy and/or distribute it,
339# with or without modifications, as long as this notice is preserved.
340
341# AM_PROG_AR([ACT-IF-FAIL])
342# -------------------------
343# Try to determine the archiver interface, and trigger the ar-lib wrapper
344# if it is needed.  If the detection of archiver interface fails, run
345# ACT-IF-FAIL (default is to abort configure with a proper error message).
346AC_DEFUN([AM_PROG_AR],
347[AC_BEFORE([$0], [LT_INIT])dnl
348AC_BEFORE([$0], [AC_PROG_LIBTOOL])dnl
349AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
350AC_REQUIRE_AUX_FILE([ar-lib])dnl
351AC_CHECK_TOOLS([AR], [ar lib "link -lib"], [false])
352: ${AR=ar}
353
354AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
355  [AC_LANG_PUSH([C])
356   am_cv_ar_interface=ar
357   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int some_variable = 0;]])],
358     [am_ar_try='$AR cru libconftest.a conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
359      AC_TRY_EVAL([am_ar_try])
360      if test "$ac_status" -eq 0; then
361        am_cv_ar_interface=ar
362      else
363        am_ar_try='$AR -NOLOGO -OUT:conftest.lib conftest.$ac_objext >&AS_MESSAGE_LOG_FD'
364        AC_TRY_EVAL([am_ar_try])
365        if test "$ac_status" -eq 0; then
366          am_cv_ar_interface=lib
367        else
368          am_cv_ar_interface=unknown
369        fi
370      fi
371      rm -f conftest.lib libconftest.a
372     ])
373   AC_LANG_POP([C])])
374
375case $am_cv_ar_interface in
376ar)
377  ;;
378lib)
379  # Microsoft lib, so override with the ar-lib wrapper script.
380  # FIXME: It is wrong to rewrite AR.
381  # But if we don't then we get into trouble of one sort or another.
382  # A longer-term fix would be to have automake use am__AR in this case,
383  # and then we could set am__AR="$am_aux_dir/ar-lib \$(AR)" or something
384  # similar.
385  AR="$am_aux_dir/ar-lib $AR"
386  ;;
387unknown)
388  m4_default([$1],
389             [AC_MSG_ERROR([could not determine $AR interface])])
390  ;;
391esac
392AC_SUBST([AR])dnl
393])
394
395# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
396
397# Copyright (C) 2001-2021 Free Software Foundation, Inc.
398#
399# This file is free software; the Free Software Foundation
400# gives unlimited permission to copy and/or distribute it,
401# with or without modifications, as long as this notice is preserved.
402
403# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
404# $ac_aux_dir to '$srcdir/foo'.  In other projects, it is set to
405# '$srcdir', '$srcdir/..', or '$srcdir/../..'.
406#
407# Of course, Automake must honor this variable whenever it calls a
408# tool from the auxiliary directory.  The problem is that $srcdir (and
409# therefore $ac_aux_dir as well) can be either absolute or relative,
410# depending on how configure is run.  This is pretty annoying, since
411# it makes $ac_aux_dir quite unusable in subdirectories: in the top
412# source directory, any form will work fine, but in subdirectories a
413# relative path needs to be adjusted first.
414#
415# $ac_aux_dir/missing
416#    fails when called from a subdirectory if $ac_aux_dir is relative
417# $top_srcdir/$ac_aux_dir/missing
418#    fails if $ac_aux_dir is absolute,
419#    fails when called from a subdirectory in a VPATH build with
420#          a relative $ac_aux_dir
421#
422# The reason of the latter failure is that $top_srcdir and $ac_aux_dir
423# are both prefixed by $srcdir.  In an in-source build this is usually
424# harmless because $srcdir is '.', but things will broke when you
425# start a VPATH build or use an absolute $srcdir.
426#
427# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
428# iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
429#   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
430# and then we would define $MISSING as
431#   MISSING="\${SHELL} $am_aux_dir/missing"
432# This will work as long as MISSING is not called from configure, because
433# unfortunately $(top_srcdir) has no meaning in configure.
434# However there are other variables, like CC, which are often used in
435# configure, and could therefore not use this "fixed" $ac_aux_dir.
436#
437# Another solution, used here, is to always expand $ac_aux_dir to an
438# absolute PATH.  The drawback is that using absolute paths prevent a
439# configured tree to be moved without reconfiguration.
440
441AC_DEFUN([AM_AUX_DIR_EXPAND],
442[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
443# Expand $ac_aux_dir to an absolute path.
444am_aux_dir=`cd "$ac_aux_dir" && pwd`
445])
446
447# AM_CONDITIONAL                                            -*- Autoconf -*-
448
449# Copyright (C) 1997-2021 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
455# AM_CONDITIONAL(NAME, SHELL-CONDITION)
456# -------------------------------------
457# Define a conditional.
458AC_DEFUN([AM_CONDITIONAL],
459[AC_PREREQ([2.52])dnl
460 m4_if([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
461       [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
462AC_SUBST([$1_TRUE])dnl
463AC_SUBST([$1_FALSE])dnl
464_AM_SUBST_NOTMAKE([$1_TRUE])dnl
465_AM_SUBST_NOTMAKE([$1_FALSE])dnl
466m4_define([_AM_COND_VALUE_$1], [$2])dnl
467if $2; then
468  $1_TRUE=
469  $1_FALSE='#'
470else
471  $1_TRUE='#'
472  $1_FALSE=
473fi
474AC_CONFIG_COMMANDS_PRE(
475[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
476  AC_MSG_ERROR([[conditional "$1" was never defined.
477Usually this means the macro was only invoked conditionally.]])
478fi])])
479
480# Copyright (C) 1999-2021 Free Software Foundation, Inc.
481#
482# This file is free software; the Free Software Foundation
483# gives unlimited permission to copy and/or distribute it,
484# with or without modifications, as long as this notice is preserved.
485
486
487# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be
488# written in clear, in which case automake, when reading aclocal.m4,
489# will think it sees a *use*, and therefore will trigger all it's
490# C support machinery.  Also note that it means that autoscan, seeing
491# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
492
493
494# _AM_DEPENDENCIES(NAME)
495# ----------------------
496# See how the compiler implements dependency checking.
497# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC".
498# We try a few techniques and use that to set a single cache variable.
499#
500# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
501# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
502# dependency, and given that the user is not expected to run this macro,
503# just rely on AC_PROG_CC.
504AC_DEFUN([_AM_DEPENDENCIES],
505[AC_REQUIRE([AM_SET_DEPDIR])dnl
506AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
507AC_REQUIRE([AM_MAKE_INCLUDE])dnl
508AC_REQUIRE([AM_DEP_TRACK])dnl
509
510m4_if([$1], [CC],   [depcc="$CC"   am_compiler_list=],
511      [$1], [CXX],  [depcc="$CXX"  am_compiler_list=],
512      [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
513      [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'],
514      [$1], [UPC],  [depcc="$UPC"  am_compiler_list=],
515      [$1], [GCJ],  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
516                    [depcc="$$1"   am_compiler_list=])
517
518AC_CACHE_CHECK([dependency style of $depcc],
519               [am_cv_$1_dependencies_compiler_type],
520[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
521  # We make a subdir and do the tests there.  Otherwise we can end up
522  # making bogus files that we don't know about and never remove.  For
523  # instance it was reported that on HP-UX the gcc test will end up
524  # making a dummy file named 'D' -- because '-MD' means "put the output
525  # in D".
526  rm -rf conftest.dir
527  mkdir conftest.dir
528  # Copy depcomp to subdir because otherwise we won't find it if we're
529  # using a relative directory.
530  cp "$am_depcomp" conftest.dir
531  cd conftest.dir
532  # We will build objects and dependencies in a subdirectory because
533  # it helps to detect inapplicable dependency modes.  For instance
534  # both Tru64's cc and ICC support -MD to output dependencies as a
535  # side effect of compilation, but ICC will put the dependencies in
536  # the current directory while Tru64 will put them in the object
537  # directory.
538  mkdir sub
539
540  am_cv_$1_dependencies_compiler_type=none
541  if test "$am_compiler_list" = ""; then
542     am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
543  fi
544  am__universal=false
545  m4_case([$1], [CC],
546    [case " $depcc " in #(
547     *\ -arch\ *\ -arch\ *) am__universal=true ;;
548     esac],
549    [CXX],
550    [case " $depcc " in #(
551     *\ -arch\ *\ -arch\ *) am__universal=true ;;
552     esac])
553
554  for depmode in $am_compiler_list; do
555    # Setup a source with many dependencies, because some compilers
556    # like to wrap large dependency lists on column 80 (with \), and
557    # we should not choose a depcomp mode which is confused by this.
558    #
559    # We need to recreate these files for each test, as the compiler may
560    # overwrite some of them when testing with obscure command lines.
561    # This happens at least with the AIX C compiler.
562    : > sub/conftest.c
563    for i in 1 2 3 4 5 6; do
564      echo '#include "conftst'$i'.h"' >> sub/conftest.c
565      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
566      # Solaris 10 /bin/sh.
567      echo '/* dummy */' > sub/conftst$i.h
568    done
569    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
570
571    # We check with '-c' and '-o' for the sake of the "dashmstdout"
572    # mode.  It turns out that the SunPro C++ compiler does not properly
573    # handle '-M -o', and we need to detect this.  Also, some Intel
574    # versions had trouble with output in subdirs.
575    am__obj=sub/conftest.${OBJEXT-o}
576    am__minus_obj="-o $am__obj"
577    case $depmode in
578    gcc)
579      # This depmode causes a compiler race in universal mode.
580      test "$am__universal" = false || continue
581      ;;
582    nosideeffect)
583      # After this tag, mechanisms are not by side-effect, so they'll
584      # only be used when explicitly requested.
585      if test "x$enable_dependency_tracking" = xyes; then
586	continue
587      else
588	break
589      fi
590      ;;
591    msvc7 | msvc7msys | msvisualcpp | msvcmsys)
592      # This compiler won't grok '-c -o', but also, the minuso test has
593      # not run yet.  These depmodes are late enough in the game, and
594      # so weak that their functioning should not be impacted.
595      am__obj=conftest.${OBJEXT-o}
596      am__minus_obj=
597      ;;
598    none) break ;;
599    esac
600    if depmode=$depmode \
601       source=sub/conftest.c object=$am__obj \
602       depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
603       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
604         >/dev/null 2>conftest.err &&
605       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
606       grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
607       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
608       ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
609      # icc doesn't choke on unknown options, it will just issue warnings
610      # or remarks (even with -Werror).  So we grep stderr for any message
611      # that says an option was ignored or not supported.
612      # When given -MP, icc 7.0 and 7.1 complain thusly:
613      #   icc: Command line warning: ignoring option '-M'; no argument required
614      # The diagnosis changed in icc 8.0:
615      #   icc: Command line remark: option '-MP' not supported
616      if (grep 'ignoring option' conftest.err ||
617          grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
618        am_cv_$1_dependencies_compiler_type=$depmode
619        break
620      fi
621    fi
622  done
623
624  cd ..
625  rm -rf conftest.dir
626else
627  am_cv_$1_dependencies_compiler_type=none
628fi
629])
630AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
631AM_CONDITIONAL([am__fastdep$1], [
632  test "x$enable_dependency_tracking" != xno \
633  && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
634])
635
636
637# AM_SET_DEPDIR
638# -------------
639# Choose a directory name for dependency files.
640# This macro is AC_REQUIREd in _AM_DEPENDENCIES.
641AC_DEFUN([AM_SET_DEPDIR],
642[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
643AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
644])
645
646
647# AM_DEP_TRACK
648# ------------
649AC_DEFUN([AM_DEP_TRACK],
650[AC_ARG_ENABLE([dependency-tracking], [dnl
651AS_HELP_STRING(
652  [--enable-dependency-tracking],
653  [do not reject slow dependency extractors])
654AS_HELP_STRING(
655  [--disable-dependency-tracking],
656  [speeds up one-time build])])
657if test "x$enable_dependency_tracking" != xno; then
658  am_depcomp="$ac_aux_dir/depcomp"
659  AMDEPBACKSLASH='\'
660  am__nodep='_no'
661fi
662AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
663AC_SUBST([AMDEPBACKSLASH])dnl
664_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
665AC_SUBST([am__nodep])dnl
666_AM_SUBST_NOTMAKE([am__nodep])dnl
667])
668
669# Generate code to set up dependency tracking.              -*- Autoconf -*-
670
671# Copyright (C) 1999-2021 Free Software Foundation, Inc.
672#
673# This file is free software; the Free Software Foundation
674# gives unlimited permission to copy and/or distribute it,
675# with or without modifications, as long as this notice is preserved.
676
677# _AM_OUTPUT_DEPENDENCY_COMMANDS
678# ------------------------------
679AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
680[{
681  # Older Autoconf quotes --file arguments for eval, but not when files
682  # are listed without --file.  Let's play safe and only enable the eval
683  # if we detect the quoting.
684  # TODO: see whether this extra hack can be removed once we start
685  # requiring Autoconf 2.70 or later.
686  AS_CASE([$CONFIG_FILES],
687          [*\'*], [eval set x "$CONFIG_FILES"],
688          [*], [set x $CONFIG_FILES])
689  shift
690  # Used to flag and report bootstrapping failures.
691  am_rc=0
692  for am_mf
693  do
694    # Strip MF so we end up with the name of the file.
695    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
696    # Check whether this is an Automake generated Makefile which includes
697    # dependency-tracking related rules and includes.
698    # Grep'ing the whole file directly is not great: AIX grep has a line
699    # limit of 2048, but all sed's we know have understand at least 4000.
700    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
701      || continue
702    am_dirpart=`AS_DIRNAME(["$am_mf"])`
703    am_filepart=`AS_BASENAME(["$am_mf"])`
704    AM_RUN_LOG([cd "$am_dirpart" \
705      && sed -e '/# am--include-marker/d' "$am_filepart" \
706        | $MAKE -f - am--depfiles]) || am_rc=$?
707  done
708  if test $am_rc -ne 0; then
709    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
710    for automatic dependency tracking.  If GNU make was not used, consider
711    re-running the configure script with MAKE="gmake" (or whatever is
712    necessary).  You can also try re-running configure with the
713    '--disable-dependency-tracking' option to at least be able to build
714    the package (albeit without support for automatic dependency tracking).])
715  fi
716  AS_UNSET([am_dirpart])
717  AS_UNSET([am_filepart])
718  AS_UNSET([am_mf])
719  AS_UNSET([am_rc])
720  rm -f conftest-deps.mk
721}
722])# _AM_OUTPUT_DEPENDENCY_COMMANDS
723
724
725# AM_OUTPUT_DEPENDENCY_COMMANDS
726# -----------------------------
727# This macro should only be invoked once -- use via AC_REQUIRE.
728#
729# This code is only required when automatic dependency tracking is enabled.
730# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
731# order to bootstrap the dependency handling code.
732AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
733[AC_CONFIG_COMMANDS([depfiles],
734     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
735     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
736
737# Do all the work for Automake.                             -*- Autoconf -*-
738
739# Copyright (C) 1996-2021 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
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.
747
748dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
749m4_define([AC_PROG_CC],
750m4_defn([AC_PROG_CC])
751[_AM_PROG_CC_C_O
752])
753
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.
765AC_DEFUN([AM_INIT_AUTOMAKE],
766[AC_PREREQ([2.65])dnl
767dnl Autoconf wants to disallow AM_ names.  We explicitly allow
768dnl the ones we care about.
769m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
770AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
771AC_REQUIRE([AC_PROG_INSTALL])dnl
772if test "`cd $srcdir && pwd`" != "`pwd`"; then
773  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
774  # is not polluted with repeated "-I."
775  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
776  # test to see if srcdir already configured
777  if test -f $srcdir/config.status; then
778    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
779  fi
780fi
781
782# test whether we have cygpath
783if test -z "$CYGPATH_W"; then
784  if (cygpath --version) >/dev/null 2>/dev/null; then
785    CYGPATH_W='cygpath -w'
786  else
787    CYGPATH_W=echo
788  fi
789fi
790AC_SUBST([CYGPATH_W])
791
792# Define the identity of the package.
793dnl Distinguish between old-style and new-style calls.
794m4_ifval([$2],
795[AC_DIAGNOSE([obsolete],
796             [$0: two- and three-arguments forms are deprecated.])
797m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
798 AC_SUBST([PACKAGE], [$1])dnl
799 AC_SUBST([VERSION], [$2])],
800[_AM_SET_OPTIONS([$1])dnl
801dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
802m4_if(
803  m4_ifset([AC_PACKAGE_NAME], [ok]):m4_ifset([AC_PACKAGE_VERSION], [ok]),
804  [ok:ok],,
805  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
806 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
807 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
808
809_AM_IF_OPTION([no-define],,
810[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
811 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
812
813# Some tools Automake needs.
814AC_REQUIRE([AM_SANITY_CHECK])dnl
815AC_REQUIRE([AC_ARG_PROGRAM])dnl
816AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
817AM_MISSING_PROG([AUTOCONF], [autoconf])
818AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
819AM_MISSING_PROG([AUTOHEADER], [autoheader])
820AM_MISSING_PROG([MAKEINFO], [makeinfo])
821AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
822AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
823AC_REQUIRE([AC_PROG_MKDIR_P])dnl
824# For better backward compatibility.  To be removed once Automake 1.9.x
825# dies out for good.  For more background, see:
826# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
827# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
828AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
829# We need awk for the "check" target (and possibly the TAP driver).  The
830# system "awk" is bad on some platforms.
831AC_REQUIRE([AC_PROG_AWK])dnl
832AC_REQUIRE([AC_PROG_MAKE_SET])dnl
833AC_REQUIRE([AM_SET_LEADING_DOT])dnl
834_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
835	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
836			     [_AM_PROG_TAR([v7])])])
837_AM_IF_OPTION([no-dependencies],,
838[AC_PROVIDE_IFELSE([AC_PROG_CC],
839		  [_AM_DEPENDENCIES([CC])],
840		  [m4_define([AC_PROG_CC],
841			     m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
842AC_PROVIDE_IFELSE([AC_PROG_CXX],
843		  [_AM_DEPENDENCIES([CXX])],
844		  [m4_define([AC_PROG_CXX],
845			     m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
846AC_PROVIDE_IFELSE([AC_PROG_OBJC],
847		  [_AM_DEPENDENCIES([OBJC])],
848		  [m4_define([AC_PROG_OBJC],
849			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
850AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
851		  [_AM_DEPENDENCIES([OBJCXX])],
852		  [m4_define([AC_PROG_OBJCXX],
853			     m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
854])
855# Variables for tags utilities; see am/tags.am
856if test -z "$CTAGS"; then
857  CTAGS=ctags
858fi
859AC_SUBST([CTAGS])
860if test -z "$ETAGS"; then
861  ETAGS=etags
862fi
863AC_SUBST([ETAGS])
864if test -z "$CSCOPE"; then
865  CSCOPE=cscope
866fi
867AC_SUBST([CSCOPE])
868
869AC_REQUIRE([AM_SILENT_RULES])dnl
870dnl The testsuite driver may need to know about EXEEXT, so add the
871dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
872dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
873AC_CONFIG_COMMANDS_PRE(dnl
874[m4_provide_if([_AM_COMPILER_EXEEXT],
875  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
876
877# POSIX will say in a future version that running "rm -f" with no argument
878# is OK; and we want to be able to make that assumption in our Makefile
879# recipes.  So use an aggressive probe to check that the usage we want is
880# actually supported "in the wild" to an acceptable degree.
881# See automake bug#10828.
882# To make any issue more visible, cause the running configure to be aborted
883# by default if the 'rm' program in use doesn't match our expectations; the
884# user can still override this though.
885if rm -f && rm -fr && rm -rf; then : OK; else
886  cat >&2 <<'END'
887Oops!
888
889Your 'rm' program seems unable to run without file operands specified
890on the command line, even when the '-f' option is present.  This is contrary
891to the behaviour of most rm programs out there, and not conforming with
892the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
893
894Please tell bug-automake@gnu.org about your system, including the value
895of your $PATH and any error possibly output before this message.  This
896can help us improve future automake versions.
897
898END
899  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
900    echo 'Configuration will proceed anyway, since you have set the' >&2
901    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
902    echo >&2
903  else
904    cat >&2 <<'END'
905Aborting the configuration process, to ensure you take notice of the issue.
906
907You can download and install GNU coreutils to get an 'rm' implementation
908that behaves properly: <https://www.gnu.org/software/coreutils/>.
909
910If you want to complete the configuration process using your problematic
911'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
912to "yes", and re-run configure.
913
914END
915    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
916  fi
917fi
918dnl The trailing newline in this macro's definition is deliberate, for
919dnl backward compatibility and to allow trailing 'dnl'-style comments
920dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
921])
922
923dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
924dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
925dnl mangled by Autoconf and run in a shell conditional statement.
926m4_define([_AC_COMPILER_EXEEXT],
927m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
928
929# When config.status generates a header, we must update the stamp-h file.
930# This file resides in the same directory as the config header
931# that is generated.  The stamp files are numbered to have different names.
932
933# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
934# loop where config.status creates the headers, so we can generate
935# our stamp files there.
936AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
937[# Compute $1's index in $config_headers.
938_am_arg=$1
939_am_stamp_count=1
940for _am_header in $config_headers :; do
941  case $_am_header in
942    $_am_arg | $_am_arg:* )
943      break ;;
944    * )
945      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
946  esac
947done
948echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
949
950# Copyright (C) 2001-2021 Free Software Foundation, Inc.
951#
952# This file is free software; the Free Software Foundation
953# gives unlimited permission to copy and/or distribute it,
954# with or without modifications, as long as this notice is preserved.
955
956# AM_PROG_INSTALL_SH
957# ------------------
958# Define $install_sh.
959AC_DEFUN([AM_PROG_INSTALL_SH],
960[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
961if test x"${install_sh+set}" != xset; then
962  case $am_aux_dir in
963  *\ * | *\	*)
964    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
965  *)
966    install_sh="\${SHELL} $am_aux_dir/install-sh"
967  esac
968fi
969AC_SUBST([install_sh])])
970
971# Copyright (C) 2003-2021 Free Software Foundation, Inc.
972#
973# This file is free software; the Free Software Foundation
974# gives unlimited permission to copy and/or distribute it,
975# with or without modifications, as long as this notice is preserved.
976
977# Check whether the underlying file-system supports filenames
978# with a leading dot.  For instance MS-DOS doesn't.
979AC_DEFUN([AM_SET_LEADING_DOT],
980[rm -rf .tst 2>/dev/null
981mkdir .tst 2>/dev/null
982if test -d .tst; then
983  am__leading_dot=.
984else
985  am__leading_dot=_
986fi
987rmdir .tst 2>/dev/null
988AC_SUBST([am__leading_dot])])
989
990# Copyright (C) 1998-2021 Free Software Foundation, Inc.
991#
992# This file is free software; the Free Software Foundation
993# gives unlimited permission to copy and/or distribute it,
994# with or without modifications, as long as this notice is preserved.
995
996# AM_PROG_LEX
997# -----------
998# Autoconf leaves LEX=: if lex or flex can't be found.  Change that to a
999# "missing" invocation, for better error output.
1000AC_DEFUN([AM_PROG_LEX],
1001[AC_PREREQ([2.50])dnl
1002AC_REQUIRE([AM_MISSING_HAS_RUN])dnl
1003AC_REQUIRE([AC_PROG_LEX])dnl
1004if test "$LEX" = :; then
1005  LEX=${am_missing_run}flex
1006fi])
1007
1008# Check to see how 'make' treats includes.	            -*- Autoconf -*-
1009
1010# Copyright (C) 2001-2021 Free Software Foundation, Inc.
1011#
1012# This file is free software; the Free Software Foundation
1013# gives unlimited permission to copy and/or distribute it,
1014# with or without modifications, as long as this notice is preserved.
1015
1016# AM_MAKE_INCLUDE()
1017# -----------------
1018# Check whether make has an 'include' directive that can support all
1019# the idioms we need for our automatic dependency tracking code.
1020AC_DEFUN([AM_MAKE_INCLUDE],
1021[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
1022cat > confinc.mk << 'END'
1023am__doit:
1024	@echo this is the am__doit target >confinc.out
1025.PHONY: am__doit
1026END
1027am__include="#"
1028am__quote=
1029# BSD make does it like this.
1030echo '.include "confinc.mk" # ignored' > confmf.BSD
1031# Other make implementations (GNU, Solaris 10, AIX) do it like this.
1032echo 'include confinc.mk # ignored' > confmf.GNU
1033_am_result=no
1034for s in GNU BSD; do
1035  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
1036  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
1037      ['0:this is the am__doit target'],
1038      [AS_CASE([$s],
1039          [BSD], [am__include='.include' am__quote='"'],
1040          [am__include='include' am__quote=''])])
1041  if test "$am__include" != "#"; then
1042    _am_result="yes ($s style)"
1043    break
1044  fi
1045done
1046rm -f confinc.* confmf.*
1047AC_MSG_RESULT([${_am_result}])
1048AC_SUBST([am__include])])
1049AC_SUBST([am__quote])])
1050
1051# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
1052
1053# Copyright (C) 1997-2021 Free Software Foundation, Inc.
1054#
1055# This file is free software; the Free Software Foundation
1056# gives unlimited permission to copy and/or distribute it,
1057# with or without modifications, as long as this notice is preserved.
1058
1059# AM_MISSING_PROG(NAME, PROGRAM)
1060# ------------------------------
1061AC_DEFUN([AM_MISSING_PROG],
1062[AC_REQUIRE([AM_MISSING_HAS_RUN])
1063$1=${$1-"${am_missing_run}$2"}
1064AC_SUBST($1)])
1065
1066# AM_MISSING_HAS_RUN
1067# ------------------
1068# Define MISSING if not defined so far and test if it is modern enough.
1069# If it is, set am_missing_run to use it, otherwise, to nothing.
1070AC_DEFUN([AM_MISSING_HAS_RUN],
1071[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1072AC_REQUIRE_AUX_FILE([missing])dnl
1073if test x"${MISSING+set}" != xset; then
1074  MISSING="\${SHELL} '$am_aux_dir/missing'"
1075fi
1076# Use eval to expand $SHELL
1077if eval "$MISSING --is-lightweight"; then
1078  am_missing_run="$MISSING "
1079else
1080  am_missing_run=
1081  AC_MSG_WARN(['missing' script is too old or missing])
1082fi
1083])
1084
1085# Copyright (C) 2003-2021 Free Software Foundation, Inc.
1086#
1087# This file is free software; the Free Software Foundation
1088# gives unlimited permission to copy and/or distribute it,
1089# with or without modifications, as long as this notice is preserved.
1090
1091# AM_PROG_MKDIR_P
1092# ---------------
1093# Check for 'mkdir -p'.
1094AC_DEFUN([AM_PROG_MKDIR_P],
1095[AC_PREREQ([2.60])dnl
1096AC_REQUIRE([AC_PROG_MKDIR_P])dnl
1097dnl FIXME we are no longer going to remove this! adjust warning
1098dnl FIXME message accordingly.
1099AC_DIAGNOSE([obsolete],
1100[$0: this macro is deprecated, and will soon be removed.
1101You should use the Autoconf-provided 'AC][_PROG_MKDIR_P' macro instead,
1102and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.])
1103dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
1104dnl while keeping a definition of mkdir_p for backward compatibility.
1105dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
1106dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
1107dnl Makefile.ins that do not define MKDIR_P, so we do our own
1108dnl adjustment using top_builddir (which is defined more often than
1109dnl MKDIR_P).
1110AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
1111case $mkdir_p in
1112  [[\\/$]]* | ?:[[\\/]]*) ;;
1113  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
1114esac
1115])
1116
1117# Helper functions for option handling.                     -*- Autoconf -*-
1118
1119# Copyright (C) 2001-2021 Free Software Foundation, Inc.
1120#
1121# This file is free software; the Free Software Foundation
1122# gives unlimited permission to copy and/or distribute it,
1123# with or without modifications, as long as this notice is preserved.
1124
1125# _AM_MANGLE_OPTION(NAME)
1126# -----------------------
1127AC_DEFUN([_AM_MANGLE_OPTION],
1128[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
1129
1130# _AM_SET_OPTION(NAME)
1131# --------------------
1132# Set option NAME.  Presently that only means defining a flag for this option.
1133AC_DEFUN([_AM_SET_OPTION],
1134[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
1135
1136# _AM_SET_OPTIONS(OPTIONS)
1137# ------------------------
1138# OPTIONS is a space-separated list of Automake options.
1139AC_DEFUN([_AM_SET_OPTIONS],
1140[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
1141
1142# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
1143# -------------------------------------------
1144# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
1145AC_DEFUN([_AM_IF_OPTION],
1146[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
1147
1148# Copyright (C) 1999-2021 Free Software Foundation, Inc.
1149#
1150# This file is free software; the Free Software Foundation
1151# gives unlimited permission to copy and/or distribute it,
1152# with or without modifications, as long as this notice is preserved.
1153
1154# _AM_PROG_CC_C_O
1155# ---------------
1156# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
1157# to automatically call this.
1158AC_DEFUN([_AM_PROG_CC_C_O],
1159[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
1160AC_REQUIRE_AUX_FILE([compile])dnl
1161AC_LANG_PUSH([C])dnl
1162AC_CACHE_CHECK(
1163  [whether $CC understands -c and -o together],
1164  [am_cv_prog_cc_c_o],
1165  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
1166  # Make sure it works both with $CC and with simple cc.
1167  # Following AC_PROG_CC_C_O, we do the test twice because some
1168  # compilers refuse to overwrite an existing .o file with -o,
1169  # though they will create one.
1170  am_cv_prog_cc_c_o=yes
1171  for am_i in 1 2; do
1172    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
1173         && test -f conftest2.$ac_objext; then
1174      : OK
1175    else
1176      am_cv_prog_cc_c_o=no
1177      break
1178    fi
1179  done
1180  rm -f core conftest*
1181  unset am_i])
1182if test "$am_cv_prog_cc_c_o" != yes; then
1183   # Losing compiler, so override with the script.
1184   # FIXME: It is wrong to rewrite CC.
1185   # But if we don't then we get into trouble of one sort or another.
1186   # A longer-term fix would be to have automake use am__CC in this case,
1187   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
1188   CC="$am_aux_dir/compile $CC"
1189fi
1190AC_LANG_POP([C])])
1191
1192# For backward compatibility.
1193AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
1194
1195# Copyright (C) 2001-2021 Free Software Foundation, Inc.
1196#
1197# This file is free software; the Free Software Foundation
1198# gives unlimited permission to copy and/or distribute it,
1199# with or without modifications, as long as this notice is preserved.
1200
1201# AM_RUN_LOG(COMMAND)
1202# -------------------
1203# Run COMMAND, save the exit status in ac_status, and log it.
1204# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
1205AC_DEFUN([AM_RUN_LOG],
1206[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
1207   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
1208   ac_status=$?
1209   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
1210   (exit $ac_status); }])
1211
1212# Check to make sure that the build environment is sane.    -*- Autoconf -*-
1213
1214# Copyright (C) 1996-2021 Free Software Foundation, Inc.
1215#
1216# This file is free software; the Free Software Foundation
1217# gives unlimited permission to copy and/or distribute it,
1218# with or without modifications, as long as this notice is preserved.
1219
1220# AM_SANITY_CHECK
1221# ---------------
1222AC_DEFUN([AM_SANITY_CHECK],
1223[AC_MSG_CHECKING([whether build environment is sane])
1224# Reject unsafe characters in $srcdir or the absolute working directory
1225# name.  Accept space and tab only in the latter.
1226am_lf='
1227'
1228case `pwd` in
1229  *[[\\\"\#\$\&\'\`$am_lf]]*)
1230    AC_MSG_ERROR([unsafe absolute working directory name]);;
1231esac
1232case $srcdir in
1233  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
1234    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
1235esac
1236
1237# Do 'set' in a subshell so we don't clobber the current shell's
1238# arguments.  Must try -L first in case configure is actually a
1239# symlink; some systems play weird games with the mod time of symlinks
1240# (eg FreeBSD returns the mod time of the symlink's containing
1241# directory).
1242if (
1243   am_has_slept=no
1244   for am_try in 1 2; do
1245     echo "timestamp, slept: $am_has_slept" > conftest.file
1246     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
1247     if test "$[*]" = "X"; then
1248	# -L didn't work.
1249	set X `ls -t "$srcdir/configure" conftest.file`
1250     fi
1251     if test "$[*]" != "X $srcdir/configure conftest.file" \
1252	&& test "$[*]" != "X conftest.file $srcdir/configure"; then
1253
1254	# If neither matched, then we have a broken ls.  This can happen
1255	# if, for instance, CONFIG_SHELL is bash and it inherits a
1256	# broken ls alias from the environment.  This has actually
1257	# happened.  Such a system could not be considered "sane".
1258	AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
1259  alias in your environment])
1260     fi
1261     if test "$[2]" = conftest.file || test $am_try -eq 2; then
1262       break
1263     fi
1264     # Just in case.
1265     sleep 1
1266     am_has_slept=yes
1267   done
1268   test "$[2]" = conftest.file
1269   )
1270then
1271   # Ok.
1272   :
1273else
1274   AC_MSG_ERROR([newly created file is older than distributed files!
1275Check your system clock])
1276fi
1277AC_MSG_RESULT([yes])
1278# If we didn't sleep, we still need to ensure time stamps of config.status and
1279# generated files are strictly newer.
1280am_sleep_pid=
1281if grep 'slept: no' conftest.file >/dev/null 2>&1; then
1282  ( sleep 1 ) &
1283  am_sleep_pid=$!
1284fi
1285AC_CONFIG_COMMANDS_PRE(
1286  [AC_MSG_CHECKING([that generated files are newer than configure])
1287   if test -n "$am_sleep_pid"; then
1288     # Hide warnings about reused PIDs.
1289     wait $am_sleep_pid 2>/dev/null
1290   fi
1291   AC_MSG_RESULT([done])])
1292rm -f conftest.file
1293])
1294
1295# Copyright (C) 2009-2021 Free Software Foundation, Inc.
1296#
1297# This file is free software; the Free Software Foundation
1298# gives unlimited permission to copy and/or distribute it,
1299# with or without modifications, as long as this notice is preserved.
1300
1301# AM_SILENT_RULES([DEFAULT])
1302# --------------------------
1303# Enable less verbose build rules; with the default set to DEFAULT
1304# ("yes" being less verbose, "no" or empty being verbose).
1305AC_DEFUN([AM_SILENT_RULES],
1306[AC_ARG_ENABLE([silent-rules], [dnl
1307AS_HELP_STRING(
1308  [--enable-silent-rules],
1309  [less verbose build output (undo: "make V=1")])
1310AS_HELP_STRING(
1311  [--disable-silent-rules],
1312  [verbose build output (undo: "make V=0")])dnl
1313])
1314case $enable_silent_rules in @%:@ (((
1315  yes) AM_DEFAULT_VERBOSITY=0;;
1316   no) AM_DEFAULT_VERBOSITY=1;;
1317    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1318esac
1319dnl
1320dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1321dnl do not support nested variable expansions.
1322dnl See automake bug#9928 and bug#10237.
1323am_make=${MAKE-make}
1324AC_CACHE_CHECK([whether $am_make supports nested variables],
1325   [am_cv_make_support_nested_variables],
1326   [if AS_ECHO([['TRUE=$(BAR$(V))
1327BAR0=false
1328BAR1=true
1329V=1
1330am__doit:
1331	@$(TRUE)
1332.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1333  am_cv_make_support_nested_variables=yes
1334else
1335  am_cv_make_support_nested_variables=no
1336fi])
1337if test $am_cv_make_support_nested_variables = yes; then
1338  dnl Using '$V' instead of '$(V)' breaks IRIX make.
1339  AM_V='$(V)'
1340  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1341else
1342  AM_V=$AM_DEFAULT_VERBOSITY
1343  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1344fi
1345AC_SUBST([AM_V])dnl
1346AM_SUBST_NOTMAKE([AM_V])dnl
1347AC_SUBST([AM_DEFAULT_V])dnl
1348AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1349AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1350AM_BACKSLASH='\'
1351AC_SUBST([AM_BACKSLASH])dnl
1352_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1353])
1354
1355# Copyright (C) 2001-2021 Free Software Foundation, Inc.
1356#
1357# This file is free software; the Free Software Foundation
1358# gives unlimited permission to copy and/or distribute it,
1359# with or without modifications, as long as this notice is preserved.
1360
1361# AM_PROG_INSTALL_STRIP
1362# ---------------------
1363# One issue with vendor 'install' (even GNU) is that you can't
1364# specify the program used to strip binaries.  This is especially
1365# annoying in cross-compiling environments, where the build's strip
1366# is unlikely to handle the host's binaries.
1367# Fortunately install-sh will honor a STRIPPROG variable, so we
1368# always use install-sh in "make install-strip", and initialize
1369# STRIPPROG with the value of the STRIP variable (set by the user).
1370AC_DEFUN([AM_PROG_INSTALL_STRIP],
1371[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1372# Installed binaries are usually stripped using 'strip' when the user
1373# run "make install-strip".  However 'strip' might not be the right
1374# tool to use in cross-compilation environments, therefore Automake
1375# will honor the 'STRIP' environment variable to overrule this program.
1376dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1377if test "$cross_compiling" != no; then
1378  AC_CHECK_TOOL([STRIP], [strip], :)
1379fi
1380INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1381AC_SUBST([INSTALL_STRIP_PROGRAM])])
1382
1383# Copyright (C) 2006-2021 Free Software Foundation, Inc.
1384#
1385# This file is free software; the Free Software Foundation
1386# gives unlimited permission to copy and/or distribute it,
1387# with or without modifications, as long as this notice is preserved.
1388
1389# _AM_SUBST_NOTMAKE(VARIABLE)
1390# ---------------------------
1391# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1392# This macro is traced by Automake.
1393AC_DEFUN([_AM_SUBST_NOTMAKE])
1394
1395# AM_SUBST_NOTMAKE(VARIABLE)
1396# --------------------------
1397# Public sister of _AM_SUBST_NOTMAKE.
1398AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1399
1400# Check how to create a tarball.                            -*- Autoconf -*-
1401
1402# Copyright (C) 2004-2021 Free Software Foundation, Inc.
1403#
1404# This file is free software; the Free Software Foundation
1405# gives unlimited permission to copy and/or distribute it,
1406# with or without modifications, as long as this notice is preserved.
1407
1408# _AM_PROG_TAR(FORMAT)
1409# --------------------
1410# Check how to create a tarball in format FORMAT.
1411# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1412#
1413# Substitute a variable $(am__tar) that is a command
1414# writing to stdout a FORMAT-tarball containing the directory
1415# $tardir.
1416#     tardir=directory && $(am__tar) > result.tar
1417#
1418# Substitute a variable $(am__untar) that extract such
1419# a tarball read from stdin.
1420#     $(am__untar) < result.tar
1421#
1422AC_DEFUN([_AM_PROG_TAR],
1423[# Always define AMTAR for backward compatibility.  Yes, it's still used
1424# in the wild :-(  We should find a proper way to deprecate it ...
1425AC_SUBST([AMTAR], ['$${TAR-tar}'])
1426
1427# We'll loop over all known methods to create a tar archive until one works.
1428_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1429
1430m4_if([$1], [v7],
1431  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1432
1433  [m4_case([$1],
1434    [ustar],
1435     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1436      # There is notably a 21 bits limit for the UID and the GID.  In fact,
1437      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1438      # and bug#13588).
1439      am_max_uid=2097151 # 2^21 - 1
1440      am_max_gid=$am_max_uid
1441      # The $UID and $GID variables are not portable, so we need to resort
1442      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
1443      # below are definitely unexpected, so allow the users to see them
1444      # (that is, avoid stderr redirection).
1445      am_uid=`id -u || echo unknown`
1446      am_gid=`id -g || echo unknown`
1447      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1448      if test $am_uid -le $am_max_uid; then
1449         AC_MSG_RESULT([yes])
1450      else
1451         AC_MSG_RESULT([no])
1452         _am_tools=none
1453      fi
1454      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1455      if test $am_gid -le $am_max_gid; then
1456         AC_MSG_RESULT([yes])
1457      else
1458        AC_MSG_RESULT([no])
1459        _am_tools=none
1460      fi],
1461
1462  [pax],
1463    [],
1464
1465  [m4_fatal([Unknown tar format])])
1466
1467  AC_MSG_CHECKING([how to create a $1 tar archive])
1468
1469  # Go ahead even if we have the value already cached.  We do so because we
1470  # need to set the values for the 'am__tar' and 'am__untar' variables.
1471  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1472
1473  for _am_tool in $_am_tools; do
1474    case $_am_tool in
1475    gnutar)
1476      for _am_tar in tar gnutar gtar; do
1477        AM_RUN_LOG([$_am_tar --version]) && break
1478      done
1479      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1480      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1481      am__untar="$_am_tar -xf -"
1482      ;;
1483    plaintar)
1484      # Must skip GNU tar: if it does not support --format= it doesn't create
1485      # ustar tarball either.
1486      (tar --version) >/dev/null 2>&1 && continue
1487      am__tar='tar chf - "$$tardir"'
1488      am__tar_='tar chf - "$tardir"'
1489      am__untar='tar xf -'
1490      ;;
1491    pax)
1492      am__tar='pax -L -x $1 -w "$$tardir"'
1493      am__tar_='pax -L -x $1 -w "$tardir"'
1494      am__untar='pax -r'
1495      ;;
1496    cpio)
1497      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1498      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1499      am__untar='cpio -i -H $1 -d'
1500      ;;
1501    none)
1502      am__tar=false
1503      am__tar_=false
1504      am__untar=false
1505      ;;
1506    esac
1507
1508    # If the value was cached, stop now.  We just wanted to have am__tar
1509    # and am__untar set.
1510    test -n "${am_cv_prog_tar_$1}" && break
1511
1512    # tar/untar a dummy directory, and stop if the command works.
1513    rm -rf conftest.dir
1514    mkdir conftest.dir
1515    echo GrepMe > conftest.dir/file
1516    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1517    rm -rf conftest.dir
1518    if test -s conftest.tar; then
1519      AM_RUN_LOG([$am__untar <conftest.tar])
1520      AM_RUN_LOG([cat conftest.dir/file])
1521      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1522    fi
1523  done
1524  rm -rf conftest.dir
1525
1526  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1527  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1528
1529AC_SUBST([am__tar])
1530AC_SUBST([am__untar])
1531]) # _AM_PROG_TAR
1532
1533m4_include([m4/gettext.m4])
1534m4_include([m4/guile.m4])
1535m4_include([m4/iconv.m4])
1536m4_include([m4/intlmacosx.m4])
1537m4_include([m4/lepton-assert.m4])
1538m4_include([m4/lepton-attrib.m4])
1539m4_include([m4/lepton-awk.m4])
1540m4_include([m4/lepton-cairo.m4])
1541m4_include([m4/lepton-contrib.m4])
1542m4_include([m4/lepton-data-dirs.m4])
1543m4_include([m4/lepton-desktop-i18n.m4])
1544m4_include([m4/lepton-desktop.m4])
1545m4_include([m4/lepton-doxygen.m4])
1546m4_include([m4/lepton-gcc-flags.m4])
1547m4_include([m4/lepton-git-version.m4])
1548m4_include([m4/lepton-git.m4])
1549m4_include([m4/lepton-groff.m4])
1550m4_include([m4/lepton-guile.m4])
1551m4_include([m4/lepton-host.m4])
1552m4_include([m4/lepton-stroke.m4])
1553m4_include([m4/lepton-uri-viewer.m4])
1554m4_include([m4/lepton-windows.m4])
1555m4_include([m4/lib-ld.m4])
1556m4_include([m4/lib-link.m4])
1557m4_include([m4/lib-prefix.m4])
1558m4_include([m4/liblepton.m4])
1559m4_include([m4/libleptonattrib.m4])
1560m4_include([m4/libleptongui.m4])
1561m4_include([m4/libtool.m4])
1562m4_include([m4/ltoptions.m4])
1563m4_include([m4/ltsugar.m4])
1564m4_include([m4/ltversion.m4])
1565m4_include([m4/lt~obsolete.m4])
1566m4_include([m4/nls.m4])
1567m4_include([m4/pcb-data-dirs.m4])
1568m4_include([m4/po.m4])
1569m4_include([m4/progtest.m4])
1570