Makefile: avoid false positive -Wmaybe-uninitialized
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>
diff --git a/Makefile b/Makefile
index df0d64b..1a66f69 100644
--- a/Makefile
+++ b/Makefile
@@ -676,6 +676,9 @@
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 @@
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 :=