--- tbb-4.3.20150611-r1.ebuild.orig	2015-11-24 23:33:17.103961867 +0100
+++ tbb-4.3.20150611-r1.ebuild	2015-11-24 23:35:18.773813550 +0100
@@ -77,6 +77,8 @@
 	case ${MULTILIB_ABI_FLAG} in
 		abi_x86_64) arch=x86_64 ;;
 		abi_x86_32) arch=ia32 ;;
+		abi_ppc_64) arch=ppc64 ;;
+		abi_ppc_32) arch=ppc32 ;;
 	esac
 
 	case "$(tc-getCXX)" in