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gcc-plugins: Add support for plugin subdirectories

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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>
This commit is contained in:
Emese Revfy 2016-06-26 17:38:20 +02:00 • committed by Kees Cook
parent 7040c83bfb
commit caefd8c9a9
2 changed files with 8 additions and 4 deletions
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9
scripts/gcc-plugins/Makefile
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@ -12,15 +12,18 @@ else
export HOST_EXTRACXXFLAGS
endif
export GCCPLUGINS_DIR HOSTLIBS
ifneq ($(CFLAGS_KCOV), $(SANCOV_PLUGIN))
GCC_PLUGIN := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGIN))
endif
$(HOSTLIBS)-y := $(GCC_PLUGIN)
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