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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-28 18:22:06 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-06-11 09:16:22 +0900 |
| commit | 59f53855babf757ac7be19995670ab884aaf9b71 (patch) | |
| tree | 482e47560c10f6d2a180cbf55d8cc196f7f6922b /arch/Kconfig | |
| parent | 8034c2fb1225979b1cc9b9a12fa8094ca10b4fc3 (diff) | |
gcc-plugins: test plugin support in Kconfig and clean up Makefile
Run scripts/gcc-plugin.sh from Kconfig so that users can enable
GCC_PLUGINS only when the compiler supports building plugins.
Kconfig defines a new symbol, PLUGIN_HOSTCC. This will contain
the compiler (g++ or gcc) used for building plugins, or empty
if the plugin can not be supported at all.
This allows us to remove all ugly testing in Makefile.gcc-plugins.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 2c7c3cf8adfc..e4a47d640a87 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -398,6 +398,15 @@ config SECCOMP_FILTER See Documentation/prctl/seccomp_filter.txt for details. +preferred-plugin-hostcc := $(if-success,[ $(gcc-version) -ge 40800 ],$(HOSTCXX),$(HOSTCC)) + +config PLUGIN_HOSTCC + string + default "$(shell,$(srctree)/scripts/gcc-plugin.sh "$(preferred-plugin-hostcc)" "$(HOSTCXX)" "$(CC)")" + help + Host compiler used to build GCC plugins. This can be $(HOSTCXX), + $(HOSTCC), or a null string if GCC plugin is unsupported. + config HAVE_GCC_PLUGINS bool help @@ -407,6 +416,7 @@ config HAVE_GCC_PLUGINS menuconfig GCC_PLUGINS bool "GCC plugins" depends on HAVE_GCC_PLUGINS + depends on PLUGIN_HOSTCC != "" depends on !COMPILE_TEST help GCC plugins are loadable modules that provide extra features to the |