mesa: 7.9.2 updates to rev 8

* Introduce pkg-config
 * Rev 8 fixes a build issue with header paths

sys-libs/mesa/mesa-7.9.2.recipe

@@ -9,10 +9,10 @@ HOMEPAGE="http://www.mesa3d.org/"
 COPYRIGHT="1999-2013 Brian Paul All Rights Reserved."
 LICENSE="MIT"
 # remember to update SOURCE_DIR as well for the -X revision
-SRC_URI="https://github.com/haiku/mesa_legacy/archive/7.9.2-7.tar.gz"
-SRC_FILENAME="mesa_legacy-7.9.2-7.tar.gz"
-CHECKSUM_SHA256="6b555dcd0757fe3312325c0ac0827028a7fd0877c6140f5c30ee59be40b4b84e"
-REVISION="7"
+SRC_URI="https://github.com/haiku/mesa_legacy/archive/7.9.2-8.tar.gz"
+SRC_FILENAME="mesa_legacy-7.9.2-8.tar.gz"
+CHECKSUM_SHA256="dd32a4dab8228d93ce3366812560460506f45db727a23012dd522cb7c95a5ca5"
+REVISION="8"
 ARCHITECTURES="?x86_gcc2"
 if [ $effectiveTargetArchitecture != x86 ]; then
 	# x86_gcc2 is fine as primary target architecture as long as we're building
@@ -45,7 +45,7 @@ BUILD_PREREQUIRES="
 	cmd:sed
 	"
 
-SOURCE_DIR="mesa_legacy-7.9.2-7"
+SOURCE_DIR="mesa_legacy-7.9.2-8"
 
 BUILD()
 {
@@ -84,6 +84,18 @@ INSTALL()
 	# Create GL symlink in opengl kit
 	symlinkRelative -s $includeDir/GL $includeDir/os/opengl/GL
 
+	# Create a pkcconfig for libGL
+	mkdir -p $libDir/pkgconfig
+	sed -e "s,@INSTALL_DIR@,$prefix," \
+	    -e "s,@INSTALL_LIB_DIR@,$libDir," \
+	    -e "s,@INSTALL_INC_DIR@,$includeDir," \
+	    -e "s,@VERSION@,$portVersion," \
+	    -e "s,@GL_LIB@,GL," \
+	    -e "s,@GL_PC_LIB_PRIV@,," \
+	    -e "s,@GL_PC_REQ_PRIV@,," \
+	    -e "s,@GL_PC_CFLAGS@,," src/mesa/gl.pc.in > $libDir/pkgconfig/gl.pc
+	fixPkgconfig
+
 	# devel package
 	packageEntries devel \
 		$developDir