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selftests/nolibc: enable -Wundef

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Users might use -Wundef, so also use it in the nolibc testsuite to
ensure no warnings are triggered.

The existing line with warning options is getting too long,
so move all warnings to a dedicated line.

Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20260318-nolibc-wundef-v1-2-fcb7f9ac7298@weissschuh.net
This commit is contained in:
Thomas Weißschuh 2026-03-18 17:12:43 +01:00
parent 3eb97c4cbd
commit c8f6a4bbad
1 changed files with 2 additions and 1 deletions
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3
tools/testing/selftests/nolibc/Makefile.include
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@ -5,7 +5,8 @@ _CFLAGS_STACKPROTECTOR ?= $(call try-run, \
echo 'void foo(void) {}' | $(CC) -x c - -o - -S $(CLANG_CROSS_FLAGS) $(__CFLAGS_STACKPROTECTOR) | grep -q __stack_chk_guard, \
$(__CFLAGS_STACKPROTECTOR))
_CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all)
CFLAGS_NOLIBC_TEST ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
CFLAGS_NOLIBC_TEST ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 \
-W -Wall -Wextra -Wundef \
$(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \
$(_CFLAGS_STACKPROTECTOR) $(_CFLAGS_SANITIZER)