Since commit 5f520875bdf0 ("kbuild: Bump the build system to 5.1")
CONFIG_CC_OPTIMIZE_FOR_DEBUG has no effect on the non-host code.
This patch reestablishes the prior logic to add
-Og -Wno-maybe-uninitialized
to KBUILD_CFLAGS.
Fixes: 5f520875bdf0 ("kbuild: Bump the build system to 5.1")
Signed-off-by: Heinrich Schuchardt <[email protected]>
---
Makefile | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Makefile b/Makefile
index 6b5c5ee019e..2a972af4906 100644
--- a/Makefile
+++ b/Makefile
@@ -869,6 +869,11 @@ endif
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
+else ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG
+-KBUILD_CFLAGS += -Og
+# Avoid false positives -Wmaybe-uninitialized
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394
+KBUILD_CFLAGS += -Wno-maybe-uninitialized
else
KBUILD_CFLAGS += -O2
endif
--
2.51.0
