1 # generated automatically by aclocal 1.15.1 -*- Autoconf -*-
3 # Copyright (C) 1996-2017 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 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
16 # serial 11 (pkg-config-0.29.1)
18 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
19 dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com>
21 dnl This program is free software; you can redistribute it and/or modify
22 dnl it under the terms of the GNU General Public License as published by
23 dnl the Free Software Foundation; either version 2 of the License, or
24 dnl (at your option) any later version.
26 dnl This program is distributed in the hope that it will be useful, but
27 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
28 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
29 dnl General Public License for more details.
31 dnl You should have received a copy of the GNU General Public License
32 dnl along with this program; if not, write to the Free Software
33 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
36 dnl As a special exception to the GNU General Public License, if you
37 dnl distribute this file as part of a program that contains a
38 dnl configuration script generated by Autoconf, you may include it under
39 dnl the same distribution terms that you use for the rest of that
42 dnl PKG_PREREQ(MIN-VERSION)
43 dnl -----------------------
46 dnl Verify that the version of the pkg-config macros are at least
47 dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's
48 dnl installed version of pkg-config, this checks the developer's version
49 dnl of pkg.m4 when generating configure.
51 dnl To ensure that this macro is defined, also add:
52 dnl m4_ifndef([PKG_PREREQ],
53 dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])])
55 dnl See the "Since" comment for each macro you use to see what version
56 dnl of the macros you require.
57 m4_defun([PKG_PREREQ],
58 [m4_define([PKG_MACROS_VERSION], [0.29.1])
59 m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1,
60 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])])
63 dnl PKG_PROG_PKG_CONFIG([MIN-VERSION])
64 dnl ----------------------------------
67 dnl Search for the pkg-config tool and set the PKG_CONFIG variable to
68 dnl first found in the path. Checks that the version of pkg-config found
69 dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is
70 dnl used since that's the first version where most current features of
71 dnl pkg-config existed.
72 AC_DEFUN([PKG_PROG_PKG_CONFIG],
73 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
74 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
75 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
76 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
77 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
78 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
80 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
81 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
83 if test -n "$PKG_CONFIG"; then
84 _pkg_min_version=m4_default([$1], [0.9.0])
85 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
86 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
93 ])dnl PKG_PROG_PKG_CONFIG
95 dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
96 dnl -------------------------------------------------------------------
99 dnl Check to see whether a particular set of modules exists. Similar to
100 dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
102 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
103 dnl only at the first occurence in configure.ac, so if the first place
104 dnl it's called might be skipped (such as if it is within an "if", you
105 dnl have to call PKG_CHECK_EXISTS manually
106 AC_DEFUN([PKG_CHECK_EXISTS],
107 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
108 if test -n "$PKG_CONFIG" && \
109 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
110 m4_default([$2], [:])
111 m4_ifvaln([$3], [else
115 dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
116 dnl ---------------------------------------------
117 dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting
118 dnl pkg_failed based on the result.
119 m4_define([_PKG_CONFIG],
120 [if test -n "$$1"; then
122 elif test -n "$PKG_CONFIG"; then
123 PKG_CHECK_EXISTS([$3],
124 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
125 test "x$?" != "x0" && pkg_failed=yes ],
132 dnl _PKG_SHORT_ERRORS_SUPPORTED
133 dnl ---------------------------
134 dnl Internal check to see if pkg-config supports short errors.
135 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
136 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
137 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
138 _pkg_short_errors_supported=yes
140 _pkg_short_errors_supported=no
142 ])dnl _PKG_SHORT_ERRORS_SUPPORTED
145 dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
146 dnl [ACTION-IF-NOT-FOUND])
147 dnl --------------------------------------------------------------
150 dnl Note that if there is a possibility the first call to
151 dnl PKG_CHECK_MODULES might not happen, you should be sure to include an
152 dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
153 AC_DEFUN([PKG_CHECK_MODULES],
154 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
155 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
156 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
159 AC_MSG_CHECKING([for $1])
161 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
162 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
164 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
165 and $1[]_LIBS to avoid the need to call pkg-config.
166 See the pkg-config man page for more details.])
168 if test $pkg_failed = yes; then
170 _PKG_SHORT_ERRORS_SUPPORTED
171 if test $_pkg_short_errors_supported = yes; then
172 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
174 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
176 # Put the nasty error message in config.log where it belongs
177 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
179 m4_default([$4], [AC_MSG_ERROR(
180 [Package requirements ($2) were not met:
184 Consider adjusting the PKG_CONFIG_PATH environment variable if you
185 installed software in a non-standard prefix.
189 elif test $pkg_failed = untried; then
191 m4_default([$4], [AC_MSG_FAILURE(
192 [The pkg-config script could not be found or is too old. Make sure it
193 is in your PATH or set the PKG_CONFIG environment variable to the full
198 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
201 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
202 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
206 ])dnl PKG_CHECK_MODULES
209 dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
210 dnl [ACTION-IF-NOT-FOUND])
211 dnl ---------------------------------------------------------------------
214 dnl Checks for existence of MODULES and gathers its build flags with
215 dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags
216 dnl and VARIABLE-PREFIX_LIBS from --libs.
218 dnl Note that if there is a possibility the first call to
219 dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to
220 dnl include an explicit call to PKG_PROG_PKG_CONFIG in your
222 AC_DEFUN([PKG_CHECK_MODULES_STATIC],
223 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
224 _save_PKG_CONFIG=$PKG_CONFIG
225 PKG_CONFIG="$PKG_CONFIG --static"
226 PKG_CHECK_MODULES($@)
227 PKG_CONFIG=$_save_PKG_CONFIG[]dnl
228 ])dnl PKG_CHECK_MODULES_STATIC
231 dnl PKG_INSTALLDIR([DIRECTORY])
232 dnl -------------------------
235 dnl Substitutes the variable pkgconfigdir as the location where a module
236 dnl should install pkg-config .pc files. By default the directory is
237 dnl $libdir/pkgconfig, but the default can be changed by passing
238 dnl DIRECTORY. The user can override through the --with-pkgconfigdir
240 AC_DEFUN([PKG_INSTALLDIR],
241 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
242 m4_pushdef([pkg_description],
243 [pkg-config installation directory @<:@]pkg_default[@:>@])
244 AC_ARG_WITH([pkgconfigdir],
245 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
246 [with_pkgconfigdir=]pkg_default)
247 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
248 m4_popdef([pkg_default])
249 m4_popdef([pkg_description])
253 dnl PKG_NOARCH_INSTALLDIR([DIRECTORY])
254 dnl --------------------------------
257 dnl Substitutes the variable noarch_pkgconfigdir as the location where a
258 dnl module should install arch-independent pkg-config .pc files. By
259 dnl default the directory is $datadir/pkgconfig, but the default can be
260 dnl changed by passing DIRECTORY. The user can override through the
261 dnl --with-noarch-pkgconfigdir parameter.
262 AC_DEFUN([PKG_NOARCH_INSTALLDIR],
263 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
264 m4_pushdef([pkg_description],
265 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
266 AC_ARG_WITH([noarch-pkgconfigdir],
267 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
268 [with_noarch_pkgconfigdir=]pkg_default)
269 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
270 m4_popdef([pkg_default])
271 m4_popdef([pkg_description])
272 ])dnl PKG_NOARCH_INSTALLDIR
275 dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
276 dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
277 dnl -------------------------------------------
280 dnl Retrieves the value of the pkg-config variable for the given module.
281 AC_DEFUN([PKG_CHECK_VAR],
282 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
283 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
285 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
286 AS_VAR_COPY([$1], [pkg_cv_][$1])
288 AS_VAR_IF([$1], [""], [$5], [$4])dnl
291 dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES,
292 dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND],
293 dnl [DESCRIPTION], [DEFAULT])
294 dnl ------------------------------------------
296 dnl Prepare a "--with-" configure option using the lowercase
297 dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and
298 dnl PKG_CHECK_MODULES in a single macro.
299 AC_DEFUN([PKG_WITH_MODULES],
301 m4_pushdef([with_arg], m4_tolower([$1]))
303 m4_pushdef([description],
304 [m4_default([$5], [build with ]with_arg[ support])])
306 m4_pushdef([def_arg], [m4_default([$6], [auto])])
307 m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes])
308 m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no])
311 [yes],[m4_pushdef([with_without], [--without-]with_arg)],
312 [m4_pushdef([with_without],[--with-]with_arg)])
314 AC_ARG_WITH(with_arg,
315 AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),,
316 [AS_TR_SH([with_]with_arg)=def_arg])
318 AS_CASE([$AS_TR_SH([with_]with_arg)],
319 [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)],
320 [auto],[PKG_CHECK_MODULES([$1],[$2],
321 [m4_n([def_action_if_found]) $3],
322 [m4_n([def_action_if_not_found]) $4])])
324 m4_popdef([with_arg])
325 m4_popdef([description])
328 ])dnl PKG_WITH_MODULES
330 dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
331 dnl [DESCRIPTION], [DEFAULT])
332 dnl -----------------------------------------------
334 dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES
335 dnl check._[VARIABLE-PREFIX] is exported as make variable.
336 AC_DEFUN([PKG_HAVE_WITH_MODULES],
338 PKG_WITH_MODULES([$1],[$2],,,[$3],[$4])
340 AM_CONDITIONAL([HAVE_][$1],
341 [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"])
342 ])dnl PKG_HAVE_WITH_MODULES
344 dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
345 dnl [DESCRIPTION], [DEFAULT])
346 dnl ------------------------------------------------------
348 dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after
349 dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make
350 dnl and preprocessor variable.
351 AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES],
353 PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4])
355 AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
356 [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
357 ])dnl PKG_HAVE_DEFINE_WITH_MODULES
359 # AM_CONDITIONAL -*- Autoconf -*-
361 # Copyright (C) 1997-2017 Free Software Foundation, Inc.
363 # This file is free software; the Free Software Foundation
364 # gives unlimited permission to copy and/or distribute it,
365 # with or without modifications, as long as this notice is preserved.
367 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
368 # -------------------------------------
369 # Define a conditional.
370 AC_DEFUN([AM_CONDITIONAL],
371 [AC_PREREQ([2.52])dnl
372 m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
373 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
374 AC_SUBST([$1_TRUE])dnl
375 AC_SUBST([$1_FALSE])dnl
376 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
377 _AM_SUBST_NOTMAKE([$1_FALSE])dnl
378 m4_define([_AM_COND_VALUE_$1], [$2])dnl
386 AC_CONFIG_COMMANDS_PRE(
387 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
388 AC_MSG_ERROR([[conditional "$1" was never defined.
389 Usually this means the macro was only invoked conditionally.]])
392 # Copyright (C) 2003-2017 Free Software Foundation, Inc.
394 # This file is free software; the Free Software Foundation
395 # gives unlimited permission to copy and/or distribute it,
396 # with or without modifications, as long as this notice is preserved.
398 # Check whether the underlying file-system supports filenames
399 # with a leading dot. For instance MS-DOS doesn't.
400 AC_DEFUN([AM_SET_LEADING_DOT],
401 [rm -rf .tst 2>/dev/null
402 mkdir .tst 2>/dev/null
403 if test -d .tst; then
408 rmdir .tst 2>/dev/null
409 AC_SUBST([am__leading_dot])])
411 # Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
414 # Copyright (C) 1996-2017 Free Software Foundation, Inc.
416 # This file is free software; the Free Software Foundation
417 # gives unlimited permission to copy and/or distribute it,
418 # with or without modifications, as long as this notice is preserved.
420 # AM_MAINTAINER_MODE([DEFAULT-MODE])
421 # ----------------------------------
422 # Control maintainer-specific portions of Makefiles.
423 # Default is to disable them, unless 'enable' is passed literally.
424 # For symmetry, 'disable' may be passed as well. Anyway, the user
425 # can override the default with the --enable/--disable switch.
426 AC_DEFUN([AM_MAINTAINER_MODE],
427 [m4_case(m4_default([$1], [disable]),
428 [enable], [m4_define([am_maintainer_other], [disable])],
429 [disable], [m4_define([am_maintainer_other], [enable])],
430 [m4_define([am_maintainer_other], [enable])
431 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
432 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
433 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
434 AC_ARG_ENABLE([maintainer-mode],
435 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
436 am_maintainer_other[ make rules and dependencies not useful
437 (and sometimes confusing) to the casual installer])],
438 [USE_MAINTAINER_MODE=$enableval],
439 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
440 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
441 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
442 MAINT=$MAINTAINER_MODE_TRUE
447 # Copyright (C) 2006-2017 Free Software Foundation, Inc.
449 # This file is free software; the Free Software Foundation
450 # gives unlimited permission to copy and/or distribute it,
451 # with or without modifications, as long as this notice is preserved.
453 # _AM_SUBST_NOTMAKE(VARIABLE)
454 # ---------------------------
455 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
456 # This macro is traced by Automake.
457 AC_DEFUN([_AM_SUBST_NOTMAKE])
459 # AM_SUBST_NOTMAKE(VARIABLE)
460 # --------------------------
461 # Public sister of _AM_SUBST_NOTMAKE.
462 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])