| # SPDX-License-Identifier: GPL-2.0 |
| |
| __CFLAGS_STACKPROTECTOR = $(call cc-option,-fstack-protector-all) $(call cc-option,-mstack-protector-guard=global) |
| _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 \ |
| $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \ |
| $(_CFLAGS_STACKPROTECTOR) $(_CFLAGS_SANITIZER) |
