darkplaces: use SSE only where possible

srcpkgs/darkplaces/template

@@ -19,9 +19,13 @@ do_configure() {
 	unzip -q darkplacesenginesource${version}.zip
 }
 do_build() {
+	make_build_args="DP_FS_BASEDIR=/opt/quake DP_LINK_TO_LIBJPEG=1"
+	if [ "$XBPS_MACHINE" != "i686" -a "$XBPS_MACHINE" != "x86_64" ]; then
+		make_build_args+=" CFLAGS_SSE= CFLAGS_SSE2="
+	fi
+
 	cd ${pkgname}
-	sed -i -e '1i DP_LINK_TO_LIBJPEG=1' makefile
-	make OPTIM_RELEASE="${CFLAGS}" DP_FS_BASEDIR=/opt/quake release
+	make OPTIM_RELEASE="${CFLAGS}" ${make_build_args} release
 }
 do_install() {
 	cd ${pkgname}