From 3158496ec82f755fea8ea4037aa977c74ac04f89 Mon Sep 17 00:00:00 2001
From: "kaf24@firebug.cl.cam.ac.uk" <kaf24@firebug.cl.cam.ac.uk>
Date: Wed, 19 Oct 2005 13:39:59 +0100
Subject: Better fix to detect failed patch application when building guest
 kernels. Signed-off-by: Muli Ben-Yehuda <mulix@mulix.org>

---
 buildconfigs/Rules.mk | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'buildconfigs/Rules.mk')

diff --git a/buildconfigs/Rules.mk b/buildconfigs/Rules.mk
index 2970945810..5b70d23508 100644
--- a/buildconfigs/Rules.mk
+++ b/buildconfigs/Rules.mk
@@ -80,11 +80,12 @@ clean::
 	rm -f patches/*/.makedep
 
 ref-%/.valid-ref: pristine-%/.valid-pristine
+	set -e
 	rm -rf $(@D)
 	cp -al $(<D) $(@D)
-	which patch || exit 1
-	([ -d patches/$* ] && \
-	  for i in patches/$*/*.patch ; do ( cd $(@D) ; patch -p1 <../$$i || exit 1 ) ; done) || true
+	if [ -d patches/$* ] ; then \
+	    for i in patches/$*/*.patch ; do ( cd $(@D) ; patch -p1 <../$$i || exit 1 ) ; done ; \
+	fi
 	touch $@ # update timestamp to avoid rebuild
 endif
 
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