LuaJIT: fix crosscompiling

srcpkgs/LuaJIT/template

@@ -8,9 +8,21 @@ homepage="http://www.luajit.org"
 license="MIT"
 distfiles="http://luajit.org/download/$pkgname-$version.tar.gz"
 checksum=55be6cb2d101ed38acca32c5b1f99ae345904b365b642203194c585d27bebd79
+if [ "$XBPS_MACHINE" = "x86_64" -a "$CROSS_BUILD" ]; then
+	hostmakedepends="cross-i686-pc-linux-gnu glibc-32bit"
+fi
 
 do_build() {
-	make PREFIX=/usr ${makejobs}
+	local _cflags=$CFLAGS
+	local _ldflags=$LDFLAGS
+	unset CFLAGS LDFLAGS
+	make ${makejobs} \
+		PREFIX=/usr \
+		CC=${CC} \
+		HOST_CC="i686-pc-linux-gnu-gcc" \
+		TARGET_CFLAGS="$_cflags" \
+		TARGET_LDFLAGS="$_ldflags" \
+		TARGET_STRIP=:
 }
 
 do_install() {