| dnl AX_KERNEL_OPTION(option, action-if-found, action-if-not-found) | |
| dnl see if autoconf.h defines the option | |
| AC_DEFUN([AX_KERNEL_OPTION], [ | |
| SAVE_CFLAGS=$CFLAGS | |
| CFLAGS="-I$KINC -O2 -D__KERNEL__" | |
| AC_TRY_COMPILE( [#include <linux/autoconf.h>], | |
| [ | |
| #ifndef $1 | |
| break_me_hard(\\\); | |
| #endif | |
| ],[$2],[$3],) | |
| CFLAGS=$SAVE_CFLAGS | |
| ]) |