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>
---
Changes in v2: None
init/Kconfig | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/init/Kconfig b/init/Kconfig
index c456030..923cab5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -14,6 +14,14 @@ macro success $(shell ($(1) && echo y) || echo n)
# expanded to y if the given compiler flag is supported, n otherwise
macro cc-option $(success $CC -Werror $(1) -c -x c /dev/null -o /dev/null)
+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
--
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