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@xxxxxxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
Changes in v4: None
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 66f0463..c6ac856 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
