1 dnl AX_KERNEL_OPTION(option, action-if-found, action-if-not-found) 2 dnl see if autoconf.h defines the option 3 AC_DEFUN([AX_KERNEL_OPTION], [ 4 SAVE_CFLAGS=$CFLAGS 5 CFLAGS="-I$KINC -O2 -D__KERNEL__" 6 AC_TRY_COMPILE( [#include <linux/autoconf.h>], 7 [ 8 #ifndef $1 9 break_me_hard(\\\); 10 #endif 11 ],[$2],[$3],) 12 CFLAGS=$SAVE_CFLAGS 13 ]) 14
