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authorBehan Webster <behanw@converseincode.com>2014-07-31 21:08:25 -0700
committerMichal Marek <mmarek@suse.cz>2014-08-05 15:40:01 +0200
commit26ea6bb1fef06c686be771903ecab0518af5c2de (patch)
tree9e74b8c2f493bffb2f721be4b1b831d2866663b7 /Makefile
parentbfaf2dd3509bc73bf4a4cea0e72472755ed860e2 (diff)
downloadlinux-linaro-stable-26ea6bb1fef06c686be771903ecab0518af5c2de.tar.gz
kbuild, LLVMLinux: Supress warnings unless W=1-3
clang has more warnings enabled by default. Turn them off unless W is set. This patch fixes a logic bug where warnings in clang were disabled when W was set. Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de> Signed-off-by: Mark Charlebois <charlebm@gmail.com> Cc: bp@alien8.de Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 2fd21a58f5cf..4aef4f861238 100644
--- a/Makefile
+++ b/Makefile
@@ -663,6 +663,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# source of a reference will be _MergedGlobals and not on of the whitelisted names.
# See modpost pattern 2
KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
+KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
else
# This warning generated too much noise in a regular build.