blob: 5e22b60589c1ea7b5155daf92ff9d59cf33019b3 [file] [log] [blame]
Emese Revfy6b90bd42016-05-24 00:09:38 +02001ifdef CONFIG_GCC_PLUGINS
2 __PLUGINCC := $(call cc-ifversion, -ge, 0408, $(HOSTCXX), $(HOSTCC))
3 PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)")
4
Emese Revfy543c37c2016-05-24 00:11:37 +02005 SANCOV_PLUGIN := -fplugin=$(objtree)/scripts/gcc-plugins/sancov_plugin.so
6
Emese Revfy0dae7762016-05-24 00:10:35 +02007 gcc-plugin-$(CONFIG_GCC_PLUGIN_CYC_COMPLEXITY) += cyc_complexity_plugin.so
Emese Revfy543c37c2016-05-24 00:11:37 +02008
9 ifdef CONFIG_GCC_PLUGIN_SANCOV
10 ifeq ($(CFLAGS_KCOV),)
11 # It is needed because of the gcc-plugin.sh and gcc version checks.
12 gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV) += sancov_plugin.so
13
14 ifneq ($(PLUGINCC),)
15 CFLAGS_KCOV := $(SANCOV_PLUGIN)
16 else
17 $(warning warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler)
18 endif
19 endif
20 endif
21
Emese Revfy6b90bd42016-05-24 00:09:38 +020022 GCC_PLUGINS_CFLAGS := $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y))
23
Emese Revfy543c37c2016-05-24 00:11:37 +020024 export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN SANCOV_PLUGIN
Emese Revfy6b90bd42016-05-24 00:09:38 +020025
26 ifeq ($(PLUGINCC),)
27 ifneq ($(GCC_PLUGINS_CFLAGS),)
28 ifeq ($(call cc-ifversion, -ge, 0405, y), y)
29 PLUGINCC := $(shell $(CONFIG_SHELL) -x $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)")
30 $(warning warning: your gcc installation does not support plugins, perhaps the necessary headers are missing?)
31 else
32 $(warning warning: your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least)
33 endif
34 endif
Emese Revfy543c37c2016-05-24 00:11:37 +020035 else
36 # SANCOV_PLUGIN can be only in CFLAGS_KCOV because avoid duplication.
37 GCC_PLUGINS_CFLAGS := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGINS_CFLAGS))
Emese Revfy6b90bd42016-05-24 00:09:38 +020038 endif
39
40 KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
41 GCC_PLUGIN := $(gcc-plugin-y)
42
43endif