--- /var/cache/portage/gentoo/sys-fs/aufs3/aufs3-3_p20120813.ebuild.orig	2012-08-23 10:25:41.000000000 +0200
+++ /var/cache/portage/gentoo/sys-fs/aufs3/aufs3-3_p20120813.ebuild	2012-08-23 10:26:27.000000000 +0200
@@ -124,9 +124,7 @@
 }
 
 src_compile() {
-	local ARCH=x86
-
-	emake CC=$(tc-getCC) CONFIG_AUFS_FS=m KDIR=${KV_OUT_DIR}
+	emake CC=$(tc-getCC) ARCH=$(tc-arch-kernel) CONFIG_AUFS_FS=m KDIR=${KV_OUT_DIR}
 
 	cd "${WORKDIR}"/${PN/3}-util
 	emake CC=$(tc-getCC) AR=$(tc-getAR) KDIR=${KV_OUT_DIR} C_INCLUDE_PATH="${S}"/include