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| author | Emese Revfy <re.emese@gmail.com> | 2016-06-26 17:38:20 +0200 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-08-08 17:53:05 -0700 |
| commit | caefd8c9a9fb06811e07bf3571e5d4450846b16a (patch) | |
| tree | 675552008567fe3ce2cfe99a83ab1dce23e5e323 | |
| parent | 7040c83bfbaf2340d2f336dc7641ce909c8c2b4c (diff) | |
| download | lwn-caefd8c9a9fb06811e07bf3571e5d4450846b16a.tar.gz lwn-caefd8c9a9fb06811e07bf3571e5d4450846b16a.zip | |
gcc-plugins: Add support for plugin subdirectories
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>
| -rw-r--r-- | scripts/Makefile.gcc-plugins | 3 | ||||
| -rw-r--r-- | scripts/gcc-plugins/Makefile | 9 |
2 files changed, 8 insertions, 4 deletions
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins index ffb928b9c74b..61f0e6db909b 100644 --- a/scripts/Makefile.gcc-plugins +++ b/scripts/Makefile.gcc-plugins @@ -21,7 +21,7 @@ ifdef CONFIG_GCC_PLUGINS GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y)) - export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN SANCOV_PLUGIN + export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN GCC_PLUGIN_SUBDIR SANCOV_PLUGIN ifneq ($(PLUGINCC),) # SANCOV_PLUGIN can be only in CFLAGS_KCOV because avoid duplication. @@ -30,6 +30,7 @@ ifdef CONFIG_GCC_PLUGINS KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) GCC_PLUGIN := $(gcc-plugin-y) + GCC_PLUGIN_SUBDIR := $(gcc-plugin-subdir-y) endif # If plugins aren't supported, abort the build before hard-to-read compiler diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile index ee0a75d2a1c7..8b29dc17c73c 100644 --- a/scripts/gcc-plugins/Makefile +++ b/scripts/gcc-plugins/Makefile @@ -12,15 +12,18 @@ else export HOST_EXTRACXXFLAGS endif -export GCCPLUGINS_DIR HOSTLIBS - ifneq ($(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 |