mplayer: use runtime cpu detection only where possible

srcpkgs/mplayer/template

@@ -1,7 +1,7 @@
 # Template file for 'mplayer'
 pkgname=mplayer
 version=1.1.1
-revision=6
+revision=7
 wrksrc="MPlayer-${version}"
 short_desc="A movie player"
 maintainer="Juan RP <xtraeme@gmail.com>"
@@ -11,12 +11,16 @@ distfiles="http://www2.mplayerhq.hu/MPlayer/releases/MPlayer-${version}.tar.xz"
 checksum=ce8fc7c3179e6a57eb3a58cb7d1604388756b8a61764cc93e095e7aff3798c76
 
 build_style=configure
-configure_args="--prefix=/usr --enable-runtime-cpudetection
+configure_args="--prefix=/usr
  --disable-gui --disable-arts --disable-liblzo --disable-speex
  --disable-openal --disable-libdv --disable-musepack --disable-esd
  --disable-mga --disable-ass-internal --disable-cdparanoia --enable-xvmc
  --enable-radio --enable-radio-capture --language=all --confdir=/etc/mplayer
  --enable-debug=3"
+if [ "$XBPS_TARGET_MACHINE" = "i686" -o "$XBPS_TARGET_MACHINE" = "x86_64" ]; then
+	configure_args+=" --enable-runtime-cpudetection"
+fi
+nocross=yes
 
 hostmakedepends="pkg-config yasm"
 makedepends="videoproto libudev-devel>=183 libpng-devel>=1.6