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@xxxxxxxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> --- Changes in v3: None Changes in v2: None init/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/init/Kconfig b/init/Kconfig index 4b0b636..145a534 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 | 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 -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html