diff -ur xemacs.orig//xemacs-21.4.22-r2.ebuild xemacs//xemacs-21.4.22-r2.ebuild
--- xemacs.orig//xemacs-21.4.22-r2.ebuild	2011-10-04 14:53:38.333903441 +0800
+++ xemacs//xemacs-21.4.22-r2.ebuild	2011-10-04 15:18:08.982937014 +0800
@@ -9,7 +9,7 @@
 EAPI="1"
 
 export WANT_AUTOCONF="2.1"
-inherit autotools eutils
+inherit autotools eutils toolchain-funcs
 
 DESCRIPTION="highly customizable open source text editor and application development system"
 HOMEPAGE="http://www.xemacs.org/"
@@ -189,7 +189,7 @@
 		--with-site-modules=yes \
 		|| die "The configure script failed to run properly"
 
-	emake || die "emake failed"
+	emake CC=$(tc-getCC) || die "emake failed"
 }
 
 src_install() {