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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-28 18:22:01 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-06-08 18:56:01 +0900 |
| commit | a4353898980cc46b28c03fc401d4d916d82c6f4f (patch) | |
| tree | 4dd1672d9992cd8d4cfc85b6e7889f2dbad6a1e6 /init | |
| parent | 2a61f4747eeaa85ce26ca9fbd81421b15facd018 (diff) | |
| download | linux-a4353898980cc46b28c03fc401d4d916d82c6f4f.tar.gz linux-a4353898980cc46b28c03fc401d4d916d82c6f4f.tar.bz2 linux-a4353898980cc46b28c03fc401d4d916d82c6f4f.zip | |
kconfig: add CC_IS_GCC and GCC_VERSION
This will be useful to specify the required compiler version,
like this:
config FOO
bool "Use Foo"
depends on GCC_VERSION >= 40800
help
This feature requires GCC 4.8 or newer.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 22ca30f6a6bd..66c8fd1f1d8e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -8,6 +8,14 @@ config DEFCONFIG_LIST default ARCH_DEFCONFIG default "arch/$(ARCH)/defconfig" +config CC_IS_GCC + def_bool $(success,$(CC) --version | head -n 1 | grep -q gcc) + +config GCC_VERSION + int + default $(shell,$(srctree)/scripts/gcc-version.sh -p $(CC) | sed 's/^0*//') if CC_IS_GCC + default 0 + config CONSTRUCTORS bool depends on !UML |