1# SPDX-License-Identifier: GPL-2.0 2 3ccflags-y := $(call cc-disable-warning,fortify-source) 4 5quiet_cmd_test_fortify = TEST $@ 6 cmd_test_fortify = $(CONFIG_SHELL) $(src)/test_fortify.sh \ 7 $< $@ "$(NM)" $(CC) $(c_flags) -DKBUILD_EXTRA_WARN1 8 9$(obj)/%.log: $(src)/%.c $(src)/test_fortify.sh FORCE 10 $(call if_changed_dep,test_fortify) 11 12logs = $(patsubst $(src)/%.c, %.log, $(wildcard $(src)/*-*.c)) 13targets += $(logs) 14 15quiet_cmd_gen_fortify_log = CAT $@ 16 cmd_gen_fortify_log = cat $(or $(real-prereqs),/dev/null) > $@ 17 18$(obj)/test_fortify.log: $(addprefix $(obj)/, $(logs)) FORCE 19 $(call if_changed,gen_fortify_log) 20 21# GCC<=7 does not always produce *.d files. 22# Run the tests only for GCC>=8 or Clang. 23always-$(call gcc-min-version, 80000) += test_fortify.log 24always-$(CONFIG_CC_IS_CLANG) += test_fortify.log 25 26# Some architectures define __NO_FORTIFY if __SANITIZE_ADDRESS__ is undefined. 27# Pass CFLAGS_KASAN to avoid warnings. 28KASAN_SANITIZE := y 29