kconfig.h: use __is_defined() to check if MODULE is defined

[pandora-kernel.git] / include / linux / kconfig.h

diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index be342b9..4143edb 100644 (file)
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -17,10 +17,11 @@
  * the last step cherry picks the 2nd arg, we get a zero.
  */
 #define __ARG_PLACEHOLDER_1 0,
-#define config_enabled(cfg) _config_enabled(cfg)
-#define _config_enabled(value) __config_enabled(__ARG_PLACEHOLDER_##value)
-#define __config_enabled(arg1_or_junk) ___config_enabled(arg1_or_junk 1, 0)
-#define ___config_enabled(__ignored, val, ...) val
+#define config_enabled(cfg)            ___is_defined(cfg)
+#define __is_defined(x)                        ___is_defined(x)
+#define ___is_defined(val)             ____is_defined(__ARG_PLACEHOLDER_##val)
+#define ____is_defined(arg1_or_junk)   __take_second_arg(arg1_or_junk 1, 0)
+#define __take_second_arg(__ignored, val, ...) val
 
 /*
  * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',