| From | Masahiro Yamada <> | Subject | [PATCH 15/23] kconfig: add CC_IS_GCC and GCC_VERSION | Date | Sat, 17 Feb 2018 03:38:43 +0900 |
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This will be useful to specify the required compiler version, like this:
config FOO bool "Use Foo" depends on GCC_VERSION >= 408000 help This feature requires GCC 4.8 or newer.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
init/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/init/Kconfig b/init/Kconfig index 837a584..f2da5e9 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -12,6 +12,15 @@ config cc-option string macro $(shell $CC -Werror $(1) -c -x c /dev/null -o /dev/null) +config CC_IS_GCC + bool + default $(shell $CC --version | grep -q gcc) + +config GCC_VERSION + int + default $(shell-stdout $srctree/scripts/gcc-version.sh -p $CC | sed 's/^0*//') if CC_IS_GCC + default 0 + config CONSTRUCTORS bool depends on !UML -- 2.7.4
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