1# SPDX-License-Identifier: GPL-2.0 2 3__CFLAGS_STACKPROTECTOR = $(call cc-option,-fstack-protector-all) $(call cc-option,-mstack-protector-guard=global) 4_CFLAGS_STACKPROTECTOR ?= $(call try-run, \ 5 echo 'void foo(void) {}' | $(CC) -x c - -o - -S $(CLANG_CROSS_FLAGS) $(__CFLAGS_STACKPROTECTOR) | grep -q __stack_chk_guard, \ 6 $(__CFLAGS_STACKPROTECTOR)) 7_CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all) 8CFLAGS_NOLIBC_TEST ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \ 9 $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \ 10 $(_CFLAGS_STACKPROTECTOR) $(_CFLAGS_SANITIZER) 11