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${srcdir}"
  16
  17     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/socket.h>], [ int flags= MSG_NOSIGNAL ])], [ac_cv_msg_nosignal="yes"])
  18     AC_LANG_POP
  19   ])
  20
  21   AC_CACHE_CHECK([for MSG_DONTWAIT], [ac_cv_msg_dontwait], [
  22     AC_LANG_PUSH([C])
  23     save_CFLAGS="$CFLAGS"
  24     CFLAGS="$CFLAGS -I${srcdir}"
  25
  26     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/socket.h>], [ int flags= MSG_DONTWAIT ])], [ac_cv_msg_dontwait="yes"])
  27     AC_LANG_POP
  28   ])
  29
  30   AC_CACHE_CHECK([for MSG_MORE], [ac_cv_msg_more], [
  31     AC_LANG_PUSH([C])
  32     save_CFLAGS="$CFLAGS"
  33     CFLAGS="$CFLAGS -I${srcdir}"
  34
  35     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [ int flags= MSG_MORE ])], [ac_cv_msg_more="yes"])
  36     AC_LANG_POP
  37   ])
  38
  39   AS_IF([test "x$ac_cv_msg_nosignal" = "xyes"],[ AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Define to 1 if you have a MSG_NOSIGNAL])])
  40   AS_IF([test "x$ac_cv_msg_dontwait" = "xyes"],[ AC_DEFINE(HAVE_MSG_DONTWAIT, 1, [Define to 1 if you have a MSG_DONTWAIT])])
  41   AS_IF([test "x$ac_cv_msg_more" = "xyes"],[ AC_DEFINE(HAVE_MSG_MORE, 1, [Define to 1 if you have a MSG_MORE])])
  42 ])
  43
  44 dnl ---------------------------------------------------------------------------
  45 dnl End Macro: SOCKET_SEND_FLAGS
  46 dnl ---------------------------------------------------------------------------