mg: cross build support.

srcpkgs/mg/template

@@ -1,7 +1,7 @@
 # Template file for 'mg'
 pkgname=mg
 version=20110905
-revision=1
+revision=2
 makedepends="ncurses-devel"
 homepage="http://homepage.boetes.org/software/mg"
 short_desc="Micro GNU/emacs"
@@ -14,7 +14,11 @@ long_desc="
  by the OpenBSD team."
 
 do_build() {
-	./configure && make ${makejobs}
+	if [ "$CROSS_BUILD" ]; then
+		sed -e "s,/usr/include,$XBPS_CROSS_BASE/include,g" -i configure
+	fi
+	CC="$CC" ./configure
+	make CC="$CC" CFLAGS="$CFLAGS" ${makejobs}
 }
 
 do_install() {