mesa: Add new Mesa-9.3 package

* For now, we're using git as 9.3 is unreleased.
* Long term, 9.3 should contain the code containing
  the Haiku OpenGL kit.
* For now, it's pointed at my personal repo. This
  will be adjusted once the basics are in upstream
  Mesa.

sys-libs/mesa/mesa-9.3.recipe

@@ -0,0 +1,83 @@
+SUMMARY="Multi-platform GL implementation"
+DESCRIPTION="Mesa is an open-source implementation of the OpenGL specification - a system for rendering interactive 3D graphics.
+
+Mesa fills the role of the Haiku OpenGL kit.
+"
+
+HOMEPAGE="http://www.mesa3d.org/"
+COPYRIGHT="1999-2013 Brian Paul All Rights Reserved."
+LICENSE="MIT"
+# We use kallisti5's personal github repo for now,
+# this will become the official mesa repo in time
+SRC_URI="git://github.com/kallisti5/mesa.git"
+REVISION="1"
+ARCHITECTURES="x86 x86_64"
+if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
+	# x86_gcc2 is fine as primary target architecture as long as we're building
+	# for a different secondary architecture.
+	ARCHITECTURES="$ARCHITECTURES x86_gcc2"
+fi
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	mesa$secondaryArchSuffix = $portVersion compat >= 9.3
+	lib:libGL$secondaryArchSuffix = $portVersion compat >= 9.3
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix >= $haikuVersion
+	"
+BUILD_REQUIRES="
+	"
+BUILD_PREREQUIRES="
+	haiku${secondaryArchSuffix}_devel >= $haikuVersion
+	libxml2_python
+	cmd:bison
+	cmd:find
+	cmd:flex
+	cmd:gcc$secondaryArchSuffix
+	cmd:ld$secondaryArchSuffix
+	cmd:scons
+	cmd:sed
+	"
+	#cmd:llvm-config
+
+SOURCE_DIR="Mesa-$portVersion"
+
+BUILD()
+{
+	if [ -n "$secondaryArchSuffix" ]; then
+		export HAIKU_SECONDARY_ARCH="$effectiveTargetArchitecture"
+	fi
+	scons $jobArgs build=release
+}
+
+INSTALL()
+{
+	mesaBuildDir=build/haiku-$effectiveTargetArchitecture
+
+	mkdir -p $includeDir/GL
+	cp include/GL/gl.h $includeDir/GL/
+	cp include/GL/gl_mangle.h $includeDir/GL/
+	cp include/GL/glext.h $includeDir/GL/
+
+	# libGL.so makes up the core of our OpenGL kit
+	mkdir -p $libDir
+	cp $(find $mesaBuildDir -name 'libGL.so') $libDir
+
+	# devel package
+	packageEntries devel \
+		$developDir
+	# swpipe renderer package
+	#packageEntries swpipe \
+	#	$addOnsDir
+}
+
+# ----- devel package -------------------------------------------------------
+
+PROVIDES_devel="
+	mesa${secondaryArchSuffix}_devel = $portVersion
+	"
+
+REQUIRES_devel="
+	mesa$secondaryArchSuffix == $portVersion base
+	"