caefd8c9a9
This adds support for building more complex gcc plugins that live in a subdirectory instead of just in a single source file. Reported-by: PaX Team <pageexec@freemail.hu> Signed-off-by: Emese Revfy <re.emese@gmail.com> [kees: clarified commit message] Signed-off-by: Kees Cook <keescook@chromium.org>
885 B
GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
ifeq ($(PLUGINCC),$(HOSTCC)) HOSTLIBS := hostlibs HOST_EXTRACFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb export HOST_EXTRACFLAGS else HOSTLIBS := hostcxxlibs HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable export HOST_EXTRACXXFLAGS endif
ifneq ($(CFLAGS_KCOV), $(SANCOV_PLUGIN)) GCC_PLUGIN := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGIN)) endif
export HOSTLIBS
$(HOSTLIBS)-y := $(foreach p,$(GCC_PLUGIN),$(if $(findstring /,$(p)),,$(p))) always := $($(HOSTLIBS)-y)
$(foreach p,$($(HOSTLIBS)-y:%.so=%),$(eval $(p)-objs := $(p).o))
subdir-y := $(GCC_PLUGIN_SUBDIR) subdir- += $(GCC_PLUGIN_SUBDIR)
clean-files += *.so