git.m6w6.name Git - m6w6/libmemcached/blob - m4/check_sock_cloexec.m4

   1 dnl CHECK_SOCK_CLOEXEC([action-if-found], [action-if-not-found])
   2 AC_DEFUN([AX_CHECK_SOCK_CLOEXEC], [{
   3     AC_MSG_CHECKING(whether SOCK_CLOEXEC is supported)
   4     AC_TRY_RUN([/* SOCK_CLOEXEC test */
   5 #include <sys/types.h>
   6 #include <sys/socket.h>
   7
   8 int main (int argc, char *argv [])
   9 {
  10     int s= socket(PF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
  11     return (s == -1);
  12 }
  13     ],
  14     [AC_MSG_RESULT(yes) ; ax_cv_sock_cloexec="yes" ; $1],
  15     [AC_MSG_RESULT(no)  ; ax_cv_sock_cloexec="no"  ; $2],
  16     [AC_MSG_RESULT(not during cross-compile) ; ax_cv_sock_cloexec="no"]
  17     )
  18 }])