--- a/musl-1.1.4.ebuild	2014-10-10 20:00:38.967619492 -0200
+++ b/musl-1.1.4.ebuild	2014-10-11 12:47:29.407728938 -0200
@@ -53,7 +53,8 @@
 }
 
 src_configure() {
-	tc-export CC
+	tc-getCC ${CTARGET}
+	just_headers && export CC=true
 
 	./configure \
 		--target="${CTARGET}" \