This will be the most frequently used macro. It evaluates to 'y' if
the given argument is supported by the compiler, or 'n' otherwise.
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
init/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/init/Kconfig b/init/Kconfig
index b4814e6..f026a62 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -8,6 +8,10 @@ config DEFCONFIG_LIST
default ARCH_DEFCONFIG
default "arch/$ARCH/defconfig"
+config cc-option
+ string
+ macro $(shell $CC -Werror $(1) -c -x c /dev/null -o /dev/null)
+
config CONSTRUCTORS
bool
depends on !UML
--
2.7.4
