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-rw-r--r--build/autoconf/pkg.m461
1 files changed, 61 insertions, 0 deletions
diff --git a/build/autoconf/pkg.m4 b/build/autoconf/pkg.m4
new file mode 100644
index 000000000..ca8ef7e5a
--- /dev/null
+++ b/build/autoconf/pkg.m4
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+dnl This Source Code Form is subject to the terms of the Mozilla Public
+dnl License, v. 2.0. If a copy of the MPL was not distributed with this
+dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
+# defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
+# also defines GSTUFF_PKG_ERRORS on error
+# PKG_CONFIG is set by Python configure, if it is empty here it could not
+# be found.
+AC_DEFUN([PKG_CHECK_MODULES],
+[succeeded=no
+
+ if test -z "$PKG_CONFIG"; 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
+ PKG_CONFIG_MIN_VERSION=0.9.0
+ if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
+ AC_MSG_CHECKING(for $2)
+
+ if $PKG_CONFIG --exists "$2" ; then
+ AC_MSG_RESULT(yes)
+ succeeded=yes
+
+ AC_MSG_CHECKING($1_CFLAGS)
+ $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
+ AC_MSG_RESULT($$1_CFLAGS)
+
+ AC_MSG_CHECKING($1_LIBS)
+ ## Remove evil flags like -Wl,--export-dynamic
+ $1_LIBS="`$PKG_CONFIG --libs \"$2\" |sed s/-Wl,--export-dynamic//g`"
+ AC_MSG_RESULT($$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
+
+ AC_SUBST_LIST($1_CFLAGS)
+ AC_SUBST_LIST($1_LIBS)
+ else
+ 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
+
+ if test $succeeded = yes; then
+ ifelse([$3], , :, [$3])
+ else
+ if test "$COMPILE_ENVIRONMENT"; then
+ ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
+ fi
+ fi
+])
+
+