diff -ur xen-tools.orig//xen-tools-3.4.2-r3.ebuild xen-tools//xen-tools-3.4.2-r3.ebuild
--- xen-tools.orig//xen-tools-3.4.2-r3.ebuild	2011-09-25 04:55:10.000000000 +0800
+++ xen-tools//xen-tools-3.4.2-r3.ebuild	2011-09-25 22:43:26.229777249 +0800
@@ -4,7 +4,7 @@
 
 EAPI="3"
 
-inherit base flag-o-matic eutils multilib python
+inherit base flag-o-matic eutils multilib python toolchain-funcs
 
 # TPMEMUFILE=tpm_emulator-0.4.tar.gz
 
@@ -138,7 +138,7 @@
 		append-flags -fno-strict-overflow
 	fi
 
-	emake -C tools ${myopt} || die "compile failed"
+	emake CC=$(tc-getCC) -C tools ${myopt} || die "compile failed"
 
 	if use doc; then
 		sh ./docs/check_pkgs || die "package check failed"