xdaliclock: fix cross-build.

srcpkgs/xdaliclock/template

@@ -1,7 +1,7 @@
 # Template file for 'xdaliclock'
 pkgname=xdaliclock
 version=2.42
-revision=1
+revision=2
 wrksrc=$pkgname-$version/X11
 build_style=gnu-configure
 makedepends="libXext-devel libXt-devel"
@@ -11,8 +11,13 @@ license="MIT/X11"
 homepage="http://www.jwz.org/xdaliclock/"
 distfiles="http://www.jwz.org/${pkgname}/${pkgname}-${version}.tar.gz"
 checksum=2e2aa266cbc3482e3fcf272c5f38004e583bb6871e717b6e07f2042078e7c9cd
-nocross=yes
 
+post_extract() {
+	sed -i -e '/a trivial ANSI C/,+10s/ { (exit 1); exit 1; };//' \
+		-e '/INCLUDES=/s/.*/:/' \
+		-e '/LDFLAGS=/s/.*/:/' \
+		configure
+}
 do_install() {
 	vbin xdaliclock
 	vman xdaliclock.man xdaliclock.1