Commit af0e5d56 authored by Dave Jones's avatar Dave Jones Committed by Michal Marek

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: default avatarDave Jones <davej@redhat.com>
Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
Tested-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent f0772604
......@@ -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
......
......@@ -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
......
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