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