wavpack: cross build support.

srcpkgs/wavpack/template

@@ -1,10 +1,8 @@
 # Template file for 'wavpack'
 pkgname=wavpack
 version=4.60.1
-revision=5
+revision=6
 build_style=gnu-configure
-configure_args="--enable-mmx"
-makedepends="pkg-config"
 short_desc="An audio codec (lossy and lossless)"
 homepage="http://www.wavpack.com/"
 license="BSD"
@@ -18,8 +16,12 @@ long_desc="
  4 format has been designed from the ground up to offer unparalleled
  performance and functionality."
 
+if [ "$XBPS_TARGET_MACHINE" = "i686" -o "$XBPS_TARGET_MACHINE" = "x86_64" ]; then
+	configure_args="--enable-mmx"
+fi
+
 libwavpack_package() {
-	short_desc="${short_desc} - shared library"
+	short_desc+=" - shared library"
 	pkg_install() {
 		vmove "usr/lib/*.so*"
 	}
@@ -27,7 +29,7 @@ libwavpack_package() {
 
 wavpack-devel_package() {
 	depends="libwavpack>=${version}"
-	short_desc="${short_desc} - development files"
+	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/include
 		vmove usr/lib/pkgconfig