New package: libva-glx-1.5.0; splitted off of libva.

This avoids a cyclic dependency with libGL (mesa):

	libGL -> libva -> libGL (MesaLib-devel)

This fixes #1109

srcpkgs/libva-glx-devel

@@ -0,0 +1 @@
+libva-glx

srcpkgs/libva-glx/template

@@ -0,0 +1,49 @@
+# Template file for 'libva-glx'
+#
+# THIS PACKAGE IS SPLITTED FROM "libva" TO AVOID A CYCLIC DEPENDENCY:
+#
+# 	libva -> libGL -> libva
+#
+# KEEP THIS PACKAGE SYNCHRONIZED WITH "libva".
+#
+pkgname=libva-glx
+version=1.5.0
+revision=1
+wrksrc="libva-${version}"
+build_style=gnu-configure
+configure_args="--disable-static"
+hostmakedepends="automake pkg-config libtool"
+makedepends="libva-devel libXfixes-devel MesaLib-devel wayland-devel"
+short_desc="Video Acceleration (VA) API - GLX backend"
+maintainer="Juan RP <xtraeme@gmail.com>"
+homepage="http://freedesktop.org/wiki/Software/vaapi"
+license="MIT"
+distfiles="http://www.freedesktop.org/software/vaapi/releases/libva/libva-${version}.tar.bz2"
+checksum=e946d4b3110e4e23ec6a588e0c828937e502c67196d1266214441fefc4b83486
+
+replaces="libva<1:1.5.0_2"
+
+pre_configure() {
+	autoreconf -fi
+}
+post_install() {
+	# We are only interested in the glx component, remove everything else.
+	mkdir -p ${wrksrc}/temp/usr/lib/pkgconfig ${wrksrc}/temp/usr/include/va
+	mv ${DESTDIR}/usr/lib/libva-glx* ${wrksrc}/temp/usr/lib
+	mv ${DESTDIR}/usr/include/va/va_*glx.h ${wrksrc}/temp/usr/include/va
+	mv ${DESTDIR}/usr/lib/pkgconfig/libva-glx.pc ${wrksrc}/temp/usr/lib/pkgconfig
+	rm -rf ${DESTDIR}/*
+	mv ${wrksrc}/temp/* ${DESTDIR}
+	vlicense COPYING
+}
+
+libva-glx-devel_package() {
+	replaces="libva-devel<1:1.5.0_2"
+	depends="libva-devel ${sourcepkg}-${version}_${revision}"
+	short_desc+=" - development files"
+	pkg_install() {
+		vmove usr/include
+		vmove usr/lib/pkgconfig
+		vmove usr/lib/*.so
+	}
+}