1ifdef 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 5 GCC_PLUGINS_CFLAGS := $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) 6 7 export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN 8 9 ifeq ($(PLUGINCC),) 10 ifneq ($(GCC_PLUGINS_CFLAGS),) 11 ifeq ($(call cc-ifversion, -ge, 0405, y), y) 12 PLUGINCC := $(shell $(CONFIG_SHELL) -x $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)") 13 $(warning warning: your gcc installation does not support plugins, perhaps the necessary headers are missing?) 14 else 15 $(warning warning: your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least) 16 endif 17 endif 18 endif 19 20 KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) 21 GCC_PLUGIN := $(gcc-plugin-y) 22 23endif 24