SDL2_mixer: enable gles for armv[5-6]*

srcpkgs/SDL2_mixer/template

@@ -1,7 +1,7 @@
 # Template file for 'SDL2_mixer'
 pkgname=SDL2_mixer
 version=2.0.1
-revision=2
+revision=3
 build_style=gnu-configure
 hostmakedepends="pkg-config"
 makedepends="SDL2-devel libvorbis-devel libmikmod-devel libflac-devel smpeg2-devel fluidsynth-devel"
@@ -14,6 +14,27 @@ homepage="http://www.libsdl.org/projects/SDL_mixer/"
 distfiles="http://www.libsdl.org/projects/SDL_mixer/release/$pkgname-$version.tar.gz"
 checksum=5a24f62a610249d744cbd8d28ee399d8905db7222bf3bdbc8a8b4a76e597695f
 
+# Package build options
+build_options="gles"
+
+case "$XBPS_TARGET_MACHINE" in
+	arm*)
+		# Enable OpenGL/ES on rpi platforms
+		build_options_default="gles"
+		;;
+esac
+
+
+if [ "$build_option_gles" ]; then
+	case "$XBPS_TARGET_MACHINE" in
+	armv[67]*)
+		# RaspberryPi, use Videocore IV
+		makedepends+=" rpi-userland-devel"
+		LDFLAGS="-L${XBPS_CROSS_BASE}/opt/vc/lib -lbcm_host"
+		;;
+	esac
+fi
+
 pre_configure() {
 	sed -e "/CONFIG_FILE_ETC/s|/etc/timidity.cfg|/etc/timidity++/timidity.cfg|" \
 		-e "/DEFAULT_PATH/s|/etc/timidity|/etc/timidity++|" \