1  #include <linux/version.h>
       2  /* <linux/mroute.h> before 2.6.26 included <linux/in.h>
       3     which clashes with userspace headers.  */
       4  #if LINUX_VERSION_CODE < 132634
       5  #define _LINUX_IN_H
       6  #include <linux/types.h>
       7  #endif
       8  #include_next <linux/mroute.h>