xf86-video-cirrus: modernize build recipe

Author: xcko

pkg/xf86-video-cirrus

@@ -11,7 +11,11 @@ sha512=2af1b089527fb715b07b6d50da863972a1d063863e976c5e75576e70b502b74af43bc38ad
 http://xorg.freedesktop.org/releases/individual/driver/xf86-video-cirrus-1.5.2.tar.bz2
 
 [build]
-LDFLAGS=$(printf "%s" "$optldflags" | sed 's/-z,now/-z,lazy/') \
-  ./configure -C --prefix="$butch_prefix"
-make V=1 DESTDIR="$butch_install_dir" -j$MAKE_THREADS install
-
+cp -f "$K"/config.sub .
+xconfflags="--build=$($CC -dumpmachine)"
+[ -n "$CROSS_COMPILE" ] && \
+  xconfflags="--host=$($CC -dumpmachine)"
+CFLAGS="$optcflags" \
+  LDFLAGS=$(printf "%s" "$optldflags" | sed 's/-z,now/-z,lazy/') \
+  ./configure -C --prefix="$butch_prefix" $xconfflags
+make DESTDIR="$butch_install_dir" -j$MAKE_THREADS install