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>
30 lines
885 B
Makefile
30 lines
885 B
Makefile
GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
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ifeq ($(PLUGINCC),$(HOSTCC))
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HOSTLIBS := hostlibs
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HOST_EXTRACFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb
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export HOST_EXTRACFLAGS
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else
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HOSTLIBS := hostcxxlibs
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HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti
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HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb
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HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable
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export HOST_EXTRACXXFLAGS
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endif
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ifneq ($(CFLAGS_KCOV), $(SANCOV_PLUGIN))
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GCC_PLUGIN := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGIN))
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endif
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export HOSTLIBS
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$(HOSTLIBS)-y := $(foreach p,$(GCC_PLUGIN),$(if $(findstring /,$(p)),,$(p)))
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always := $($(HOSTLIBS)-y)
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$(foreach p,$($(HOSTLIBS)-y:%.so=%),$(eval $(p)-objs := $(p).o))
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subdir-y := $(GCC_PLUGIN_SUBDIR)
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subdir- += $(GCC_PLUGIN_SUBDIR)
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clean-files += *.so
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