-dnl Internal macro to check for pkg-config itself
-dnl Do not call directly
-AC_DEFUN([_PKG_CHECK_MODULES_FIND_PKG_CONFIG],
-[
- AC_PATH_PROG([PKG_CONFIG], [pkg-config], [no])
- if test "$PKG_CONFIG" = "no"; then
- echo "*** The pkg-config script could not be found. Make sure it is"
- echo "*** in your path, or set the PKG_CONFIG environment variable"
- echo "*** to the full path to pkg-config."
- echo "*** Or see http://www.freedesktop.org/software/pkgconfig/ to get pkg-config."
- else
- # check the pkg-config version number
- PKG_CONFIG_MIN_VERSION="0.9.0"
- AC_MSG_CHECKING([is pkg-config version >= $PKG_CONFIG_MIN_VERSION])
- if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([no])
- PKG_CONFIG=no
- echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
- echo "*** See http://www.freedesktop.org/software/pkgconfig/"
- fi
- fi
-])
+# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
+#
+# Copyright (C) 2004 Red Hat Inc.
+# Written by Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
-dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
-dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
-dnl also defines GSTUFF_PKG_ERRORS on error
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+ AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+ _pkg_min_version=m4_ifval([$1], [$1], [0.9.0])
+ AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ PKG_CONFIG=""
+ fi
+
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test "x$ac_cv_env_[]$1[]_set" = "xset"; then
+ pkg_cv_[]$1=$ac_cv_env_[]$1[]_value
+elif test -n "$PKG_CONFIG"; then
+ if $PKG_CONFIG --exists "$3" >/dev/null 2>&1; then
+ pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+ else
+ pkg_failed=yes
+ fi
+else
+ pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+# --------------------------------------------------------------
AC_DEFUN([PKG_CHECK_MODULES],
-[
- AC_REQUIRE([_PKG_CHECK_MODULES_FIND_PKG_CONFIG])dnl
- succeeded=no
- if test "$PKG_CONFIG" != "no" ; then
- AC_MSG_CHECKING([for $2])
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1[]_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1[]_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_CACHE_CHECK([for $1[]_CFLAGS], [pkg_cv_[]$1[]_CFLAGS],
+ [_PKG_CONFIG([$1[]_CFLAGS], [cflags], [[$2]])])
+AC_CACHE_CHECK([for $1[]_LIBS], [pkg_cv_[]$1[]_LIBS],
+ [_PKG_CONFIG([$1[]_LIBS], [libs], [[$2]])])
- if $PKG_CONFIG --exists "$2" ; then
- AC_MSG_RESULT([yes])
- succeeded=yes
+if test $pkg_failed = yes; then
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+ # Put the nasty error message in config.log where it belongs
+ echo "$$1[]_PKG_ERRORS" 1>&AS_MESSAGE_LOG_FD
- AC_MSG_CHECKING([$1_CFLAGS])
- $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
- AC_MSG_RESULT([$$1_CFLAGS])
+ ifelse([$4], , [AC_MSG_ERROR(dnl
+[[Package requirements ($2) were not met.
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
- AC_MSG_CHECKING([$1_LIBS])
- $1_LIBS=`$PKG_CONFIG --libs "$2"`
- AC_MSG_RESULT([$$1_LIBS])
- else
- $1_CFLAGS=""
- $1_LIBS=""
- ## If we have a custom action on failure, don't print errors, but
- ## do set a variable so people can do so.
- $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
- ifelse([$4],, [echo $$1_PKG_ERRORS])
- fi
+Alternatively you may set the $1_CFLAGS and $1_LIBS environment variables
+to avoid the need to call pkg-config. See the pkg-config man page for
+more details.]])],
+ [$4])
+elif test $pkg_failed = untried; then
+ ifelse([$4], , [AC_MSG_FAILURE(dnl
+[[The pkg-config script could not be found or is too old. Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config. Al
+The pkg-config script could not be found or is too old.
+Make sure it is in your PATH or set the PKG_CONFIG environment variable
+to the full path to pkg-config.
- AC_SUBST([$1_CFLAGS])
- AC_SUBST([$1_LIBS])
- fi
+Alternatively you may set the $1_CFLAGS and $1_LIBS environment variables
+to avoid the need to call pkg-config. See the pkg-config man page for
+more details.
- if test $succeeded = yes; then
- ifelse([$3],, [:], [$3])
- else
- ifelse([$4],,
- [AC_MSG_ERROR([Package requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a nonstandard prefix. See man page for pkg-config.])],
- [$4])
- fi
-])
+To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.]])],
+ [$4])
+else
+ $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+ $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+ ifelse([$3], , :, [$3])
+fi[]dnl
+])# PKG_CHECK_MODULES
projects / pkg-config / commitdiff