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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

Dave Jones committed 15 years ago

Commit af0e5d51 parent f0772602 files · +5 −0Browse files

Unified · Split

2 files
  1. Makefile +4 −0
  2. scripts/Makefile.build +1 −0
Makefile+4−0
@@ -567,6 +567,10 @@ ifndef CONFIG_CC_STACKPROTECTOR · 566 unmodified lines
567KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)567KBUILD_CFLAGS += $(call cc-option, -fno-stack-protector)
568endif568endif
569 569
570# This warning generated too much noise in a regular build.
571# Use make W=1 to enable this warning (see scripts/Makefile.build)
572KBUILD_CFLAGS += $(call cc-option, -Wno-unused-but-set-variable)
573
570ifdef CONFIG_FRAME_POINTER574ifdef CONFIG_FRAME_POINTER
571KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls575KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
572else576else
scripts/Makefile.build+1−0
@@ -66,6 +66,7 @@ warning-1 += -Wmissing-format-attribute · 65 unmodified lines
66warning-1 += -Wmissing-prototypes66warning-1 += -Wmissing-prototypes
67warning-1 += -Wold-style-definition67warning-1 += -Wold-style-definition
68warning-1 += $(call cc-option, -Wmissing-include-dirs)68warning-1 += $(call cc-option, -Wmissing-include-dirs)
69warning-1 += $(call cc-option, -Wunused-but-set-variable)
69 70
70warning-2 := -Waggregate-return71warning-2 := -Waggregate-return
71warning-2 += -Wcast-align72warning-2 += -Wcast-align