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.masahiro@xxxxxxxxxxxxx> --- 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 -- 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
