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| author | Dave Jones <davej@redhat.com> | 2011-04-21 17:28:13 -0400 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2011-04-29 16:58:14 +0200 |
| commit | af0e5d565d2fffcd97d1e2d89669d627cc04e8b8 (patch) | |
| tree | 7b2ca1890e85b295215cc4af04155f095f69928a | |
| parent | f07726048d599acd6bac438e304645a78db753c0 (diff) | |
| download | lwn-af0e5d565d2fffcd97d1e2d89669d627cc04e8b8.tar.gz lwn-af0e5d565d2fffcd97d1e2d89669d627cc04e8b8.zip | |
kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
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
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>
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | scripts/Makefile.build | 1 |
2 files changed, 5 insertions, 0 deletions
@@ -567,6 +567,10 @@ ifndef CONFIG_CC_STACKPROTECTOR KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector) endif +# This warning generated too much noise in a regular build. +# Use make W=1 to enable this warning (see scripts/Makefile.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 diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 9c0c48127946..9fb19c0fbf8c 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -66,6 +66,7 @@ warning-1 += -Wmissing-format-attribute warning-1 += -Wmissing-prototypes warning-1 += -Wold-style-definition warning-1 += $(call cc-option, -Wmissing-include-dirs) +warning-1 += $(call cc-option, -Wunused-but-set-variable) warning-2 := -Waggregate-return warning-2 += -Wcast-align |