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a09db6afe2
Some upcoming changes will reuse the CFLAGS. Split the computation into a reusable Makefile. Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250620-nolibc-selftests-v1-2-f6b2ce7c5071@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
11 lines
661 B
Makefile
11 lines
661 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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__CFLAGS_STACKPROTECTOR = $(call cc-option,-fstack-protector-all) $(call cc-option,-mstack-protector-guard=global)
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_CFLAGS_STACKPROTECTOR ?= $(call try-run, \
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echo 'void foo(void) {}' | $(CC) -x c - -o - -S $(CLANG_CROSS_FLAGS) $(__CFLAGS_STACKPROTECTOR) | grep -q __stack_chk_guard, \
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$(__CFLAGS_STACKPROTECTOR))
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_CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all)
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CFLAGS_NOLIBC_TEST ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
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$(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \
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$(_CFLAGS_STACKPROTECTOR) $(_CFLAGS_SANITIZER)
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