1 # generated automatically by aclocal 1.13.4 -*- Autoconf -*-
3 # Copyright (C) 1996-2013 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($@)])])
15 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
16 # serial 1 (pkg-config-0.24)
18 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
20 # This program is free software; you can redistribute it and/or modify
21 # it under the terms of the GNU General Public License as published by
22 # the Free Software Foundation; either version 2 of the License, or
23 # (at your option) any later version.
25 # This program is distributed in the hope that it will be useful, but
26 # WITHOUT ANY WARRANTY; without even the implied warranty of
27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
28 # General Public License for more details.
30 # You should have received a copy of the GNU General Public License
31 # along with this program; if not, write to the Free Software
32 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
34 # As a special exception to the GNU General Public License, if you
35 # distribute this file as part of a program that contains a
36 # configuration script generated by Autoconf, you may include it under
37 # the same distribution terms that you use for the rest of that program.
39 # PKG_PROG_PKG_CONFIG([MIN-VERSION])
40 # ----------------------------------
41 AC_DEFUN([PKG_PROG_PKG_CONFIG],
42 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
43 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
44 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
45 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
46 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
47 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
49 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
50 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
52 if test -n "$PKG_CONFIG"; then
53 _pkg_min_version=m4_default([$1], [0.9.0])
54 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
55 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
62 ])# PKG_PROG_PKG_CONFIG
64 # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
66 # Check to see whether a particular set of modules exists. Similar
67 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
69 # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
70 # only at the first occurence in configure.ac, so if the first place
71 # it's called might be skipped (such as if it is within an "if", you
72 # have to call PKG_CHECK_EXISTS manually
73 # --------------------------------------------------------------
74 AC_DEFUN([PKG_CHECK_EXISTS],
75 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
76 if test -n "$PKG_CONFIG" && \
77 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
83 # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
84 # ---------------------------------------------
85 m4_define([_PKG_CONFIG],
86 [if test -n "$$1"; then
88 elif test -n "$PKG_CONFIG"; then
89 PKG_CHECK_EXISTS([$3],
90 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
91 test "x$?" != "x0" && pkg_failed=yes ],
98 # _PKG_SHORT_ERRORS_SUPPORTED
99 # -----------------------------
100 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
101 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
102 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
103 _pkg_short_errors_supported=yes
105 _pkg_short_errors_supported=no
107 ])# _PKG_SHORT_ERRORS_SUPPORTED
110 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
111 # [ACTION-IF-NOT-FOUND])
114 # Note that if there is a possibility the first call to
115 # PKG_CHECK_MODULES might not happen, you should be sure to include an
116 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
119 # --------------------------------------------------------------
120 AC_DEFUN([PKG_CHECK_MODULES],
121 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
122 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
123 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
126 AC_MSG_CHECKING([for $1])
128 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
129 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
131 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
132 and $1[]_LIBS to avoid the need to call pkg-config.
133 See the pkg-config man page for more details.])
135 if test $pkg_failed = yes; then
137 _PKG_SHORT_ERRORS_SUPPORTED
138 if test $_pkg_short_errors_supported = yes; then
139 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
141 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
143 # Put the nasty error message in config.log where it belongs
144 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
146 m4_default([$4], [AC_MSG_ERROR(
147 [Package requirements ($2) were not met:
151 Consider adjusting the PKG_CONFIG_PATH environment variable if you
152 installed software in a non-standard prefix.
156 elif test $pkg_failed = untried; then
158 m4_default([$4], [AC_MSG_FAILURE(
159 [The pkg-config script could not be found or is too old. Make sure it
160 is in your PATH or set the PKG_CONFIG environment variable to the full
165 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
168 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
169 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
173 ])# PKG_CHECK_MODULES
176 # PKG_INSTALLDIR(DIRECTORY)
177 # -------------------------
178 # Substitutes the variable pkgconfigdir as the location where a module
179 # should install pkg-config .pc files. By default the directory is
180 # $libdir/pkgconfig, but the default can be changed by passing
181 # DIRECTORY. The user can override through the --with-pkgconfigdir
183 AC_DEFUN([PKG_INSTALLDIR],
184 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
185 m4_pushdef([pkg_description],
186 [pkg-config installation directory @<:@]pkg_default[@:>@])
187 AC_ARG_WITH([pkgconfigdir],
188 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
189 [with_pkgconfigdir=]pkg_default)
190 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
191 m4_popdef([pkg_default])
192 m4_popdef([pkg_description])
193 ]) dnl PKG_INSTALLDIR
196 # PKG_NOARCH_INSTALLDIR(DIRECTORY)
197 # -------------------------
198 # Substitutes the variable noarch_pkgconfigdir as the location where a
199 # module should install arch-independent pkg-config .pc files. By
200 # default the directory is $datadir/pkgconfig, but the default can be
201 # changed by passing DIRECTORY. The user can override through the
202 # --with-noarch-pkgconfigdir parameter.
203 AC_DEFUN([PKG_NOARCH_INSTALLDIR],
204 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
205 m4_pushdef([pkg_description],
206 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
207 AC_ARG_WITH([noarch-pkgconfigdir],
208 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
209 [with_noarch_pkgconfigdir=]pkg_default)
210 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
211 m4_popdef([pkg_default])
212 m4_popdef([pkg_description])
213 ]) dnl PKG_NOARCH_INSTALLDIR
216 # PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
217 # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
218 # -------------------------------------------
219 # Retrieves the value of the pkg-config variable for the given module.
220 AC_DEFUN([PKG_CHECK_VAR],
221 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
222 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
224 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
225 AS_VAR_COPY([$1], [pkg_cv_][$1])
227 AS_VAR_IF([$1], [""], [$5], [$4])dnl