From: Mike Pagano <mpagano@gentoo.org>
Date: Fri, 13 Feb 2015 01:30:50 +0000 (+0000)
Subject: Handle cpu optimization patch for different gcc versions
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=069db5bca57777079036a0fb19fdc4d042f69d80;p=gentoo.git

Handle cpu optimization patch for different gcc versions
---

diff --git a/eclass/kernel-2.eclass b/eclass/kernel-2.eclass
index 4b850146e33e..82c15791407c 100644
--- a/eclass/kernel-2.eclass
+++ b/eclass/kernel-2.eclass
@@ -1,6 +1,6 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.297 2014/11/28 17:40:20 mpagano Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.298 2015/02/13 01:30:50 mpagano Exp $
 
 # Description: kernel.eclass rewrite for a clean base regarding the 2.6
 #              series of kernel with back-compatibility for 2.4
@@ -157,6 +157,16 @@ handle_genpatches() {
 			if use experimental ; then
 				UNIPATCH_LIST_GENPATCHES+=" ${DISTDIR}/${tarball}"
 				debug-print "genpatches tarball: $tarball"
+
+				# check gcc version < 4.9.X uses patch 5000 and = 4.9.X uses patch 5010			
+				if [[ $(gcc-major-version) -eq 4 ]] && [[ $(gcc-minor-version) -ne 9 ]]; then
+						# drop 5000_enable-additional-cpu-optimizations-for-gcc-4.9.patch
+						UNIPATCH_EXCLUDE+=" 5010_enable-additional-cpu-optimizations-for-gcc-4.9.patch"
+				else
+					#drop 5000_enable-additional-cpu-optimizations-for-gcc.patch
+					UNIPATCH_EXCLUDE+=" 5000_enable-additional-cpu-optimizations-for-gcc.patch"
+				fi
+
 			fi
 		else
 			UNIPATCH_LIST_GENPATCHES+=" ${DISTDIR}/${tarball}"