src/cf/socklen.m4

   1 AC_DEFUN([AC_TYPE_SOCKLEN_T],
   2 [
   3 AC_CACHE_CHECK([for socklen_t],
   4 ac_cv_type_socklen_t, [
   5         AC_TRY_COMPILE([
   6                       #include <sys/types.h>
   7                       #include <sys/socket.h>
   8               ],
   9               [
  10                       socklen_t len = 42; return 0;
  11               ],
  12               ac_cv_type_socklen_t="yes", ac_cv_type_socklen_t="no")
  13         ])
  14
  15         if test "x$ac_cv_type_socklen_t" = "xno"; then
  16               AC_DEFINE(socklen_t, int, [the type of the last argument to getsockopt etc])
  17         fi
  18 ])