git.m6w6.name Git - awesomized/libmemcached/blob - m4/socket_send_flags.m4

   1 dnl  Copyright (C) 2012 Data Differential LLC
   2 dnl  Copyright (C) 2011 Trond Norbye
   3 dnl This file is free software; Trond Norbye
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6 dnl ---------------------------------------------------------------------------
   7 dnl Macro: SOCKET_SEND_FLAGS
   8 dnl ---------------------------------------------------------------------------
   9
  10 AC_DEFUN([SOCKET_SEND_FLAGS],
  11 [
  12   AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
  13     AC_LANG_PUSH([C])
  14     save_CFLAGS="$CFLAGS"
  15     CFLAGS="$CFLAGS -I${srcdir}"
  16
  17     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [ int flags= MSG_NOSIGNAL ])], [ac_cv_msg_nosignal="yes"])
  18     AC_LANG_POP
  19     CFLAGS="$save_CFLAGS"
  20   ])
  21
  22   AC_CACHE_CHECK([for MSG_DONTWAIT], [ac_cv_msg_dontwait], [
  23     AC_LANG_PUSH([C])
  24     save_CFLAGS="$CFLAGS"
  25     CFLAGS="$CFLAGS -I${srcdir}"
  26
  27     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [ int flags= MSG_DONTWAIT ])], [ac_cv_msg_dontwait="yes"])
  28     AC_LANG_POP
  29     CFLAGS="$save_CFLAGS"
  30   ])
  31
  32   AC_CACHE_CHECK([for MSG_MORE], [ac_cv_msg_more], [
  33     AC_LANG_PUSH([C])
  34     save_CFLAGS="$CFLAGS"
  35     CFLAGS="$CFLAGS -I${srcdir}"
  36
  37     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [ int flags= MSG_MORE ])], [ac_cv_msg_more="yes"])
  38     AC_LANG_POP
  39     CFLAGS="$save_CFLAGS"
  40   ])
  41
  42   AS_IF([test "x$ac_cv_msg_nosignal" = "xyes"],[ AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Define to 1 if you have a MSG_NOSIGNAL])])
  43   AS_IF([test "x$ac_cv_msg_dontwait" = "xyes"],[ AC_DEFINE(HAVE_MSG_DONTWAIT, 1, [Define to 1 if you have a MSG_DONTWAIT])])
  44   AS_IF([test "x$ac_cv_msg_more" = "xyes"],[ AC_DEFINE(HAVE_MSG_MORE, 1, [Define to 1 if you have a MSG_MORE])])
  45 ])
  46
  47 dnl ---------------------------------------------------------------------------
  48 dnl End Macro: SOCKET_SEND_FLAGS
  49 dnl ---------------------------------------------------------------------------