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Makefile: avoid false positive -Wmaybe-uninitialized

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When compiling with -Og gcc reports false positive -Wmaybe-uninitialized as
reported in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394.

Silence these warnings when building with CONFIG_CC_OPTIMIZE_FOR_DEBUG.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2022-07-31 10:06:13 +02:00 committed by Tom Rini
parent 4e4bf9449b
commit 8602d97ca2
1 changed files with 7 additions and 1 deletions
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8
Makefile
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@ -676,6 +676,9 @@ endif # $(dot-config)
ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
KBUILD_HOSTCFLAGS := -Wall -Wstrict-prototypes -Og -g -fomit-frame-pointer \
$(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
# Avoid false positives -Wmaybe-uninitialized
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
KBUILD_HOSTCFLAGS += -Wno-maybe-uninitialized
KBUILD_HOSTCXXFLAGS := -Og -g $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
endif
@ -696,7 +699,10 @@ KBUILD_CFLAGS += -O2
endif
ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
KBUILD_CFLAGS += -Og
KBUILD_CFLAGS += -Og -Wno-maybe-uninitialized
# Avoid false positives -Wmaybe-uninitialized
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
KBUILD_CFLAGS += -Wno-maybe-uninitialized
endif
LTO_CFLAGS :=