From a14c018d11ab8931eb0882dd9d7f6bdb04aa6d8b Mon Sep 17 00:00:00 2001
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Thu, 7 Oct 2010 18:38:49 +0200
Subject: MAKEALL: allow CROSS_COMPILE*=""

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 MAKEALL | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/MAKEALL b/MAKEALL
index 9353cd8046..e987de2b3f 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -97,10 +97,12 @@ do_build_target() {
 	printf "Building ${arch} ${target} \n" >&2 | tee -a "${log_report}"
 
 	cross_compile=`eval echo '$CROSS_COMPILE_'${target}`
-	if [ ! "${cross_compile}" ]
+	cross_compile_set=`eval echo '${CROSS_COMPILE_'${target}'+set}'`
+	if [ "${cross_compile_set}" = "" ]
 	then
 		cross_compile=`eval echo '$CROSS_COMPILE_'${arch}`
-		if [ ! "${cross_compile}" ]
+		cross_compile_set=`eval echo '${CROSS_COMPILE_'${arch}'+set}'`
+		if [ "${cross_compile_set}" = "" ]
 		then
 			cross_compile=${CROSS_COMPILE}
 		fi
@@ -237,7 +239,7 @@ fi
 
 [ -d "${LOGDIR}" ] || mkdir ${LOGDIR} || exit 1
 
-if [ ! "${CONFIG}" ] && [ ! "${CROSS_COMPILE}" ]
+if [ ! "${CONFIG}" ] && [ ! "${CROSS_COMPILE+set}" ]
 then
 	echo "You need to specify a CONFIG or a CROSS_COMPILE"
 	usage
-- 
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