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authorDave Jones <davej@redhat.com>2011-04-21 17:28:13 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-26 09:10:34 -0800
commit126a2f643ee673c6dfdf782fc84ffb400bd3c4c5 (patch)
treef4631c9158cd5ca983cdcbd3c091ef29cef7df86 /Makefile
parent77e2d3fa9c82233a6f93759651d60bd4b1f013f5 (diff)
kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
commit af0e5d565d2fffcd97d1e2d89669d627cc04e8b8 upstream. Disable the new -Wunused-but-set-variable that was added in gcc 4.6.0 It produces more false positives than useful warnings. This can still be enabled using W=1 [gregkh - No it can not for 2.6.32, but we don't care] Signed-off-by: Dave Jones <davej@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 400a175f9a06..3cc6d4f68608 100644
--- a/Makefile
+++ b/Makefile
@@ -537,6 +537,9 @@ ifndef CONFIG_CC_STACKPROTECTOR
KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
endif
+# This warning generated too much noise in a regular build.
+KBUILD_CFLAGS += $(call cc-option, -Wno-unused-but-set-variable)
+
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
else