From cef1202f7715e58241d562441b043afd9c17ce26 Mon Sep 17 00:00:00 2001
From: Bertrand Jacquin <bertrand@jacquin.bzh>
Date: Fri, 10 May 2019 22:16:16 +0100
Subject: eclass/linux-build: improve config diff

ignore CONFIG_GCC_VERSION
---
 eclass/linux-build.eclass | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'eclass')

diff --git a/eclass/linux-build.eclass b/eclass/linux-build.eclass
index 4922ded8..20e056d0 100644
--- a/eclass/linux-build.eclass
+++ b/eclass/linux-build.eclass
@@ -313,8 +313,12 @@ _linux-build_src_prepare_build() {
 		emake olddefconfig "${myopt[@]}"
 	fi
 
-	if diff -Nu0 "${BUILDDIR}/.config.old" "${BUILDDIR}/.config" \
-		| egrep -q '^(\-|\+)CONFIG_' ; then
+	if ! diff -q \
+		--ignore-matching-lines '^# ' \
+		--ignore-matching-lines '^CONFIG_GCC_VERSION=' \
+		--ignore-matching-lines '^CONFIG_CLANG_VERSION=' \
+		"${BUILDDIR}/.config.old" "${BUILDDIR}/.config" ; then
+
 		eerror "You configuration is not up to date"
 		diff -Nu "${BUILDDIR}/.config.old" "${BUILDDIR}/.config"
 		die "Bad configuration"
-- 
cgit v1.2.3