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

   1 # Copyright (C) 2012-2013 Data Differential LLC
   2 # Copyright (C) 2011 Trond Norbye
   3 # This file is free software; Trond Norbye and Data Differential
   4 # gives unlimited permission to copy and/or distribute it,
   5 # with or without modifications, as long as this notice is preserved.
   6 # ---------------------------------------------------------------------------
   7 # Macro: SOCKET_SEND_FLAGS
   8 # ---------------------------------------------------------------------------
   9 #
  10
  11 #serial 2
  12
  13 AC_DEFUN([SOCKET_SEND_FLAGS],
  14     [AC_CACHE_CHECK([for MSG_NOSIGNAL],[ac_cv_msg_nosignal],
  15       [AC_LANG_PUSH([C])
  16       AX_SAVE_FLAGS
  17       CFLAGS="$CFLAGS -I${srcdir}"
  18
  19       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [int flags= MSG_NOSIGNAL])], [ac_cv_msg_nosignal="yes"])
  20       AC_LANG_POP
  21       AX_RESTORE_FLAGS])
  22
  23     AC_CACHE_CHECK([for MSG_DONTWAIT],[ac_cv_msg_dontwait],
  24       [AC_LANG_PUSH([C])
  25       AX_SAVE_FLAGS
  26       CFLAGS="$CFLAGS -I${srcdir}"
  27
  28       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>],[int flags= MSG_DONTWAIT])],[ac_cv_msg_dontwait="yes"])
  29       AC_LANG_POP
  30       AX_RESTORE_FLAGS])
  31
  32     AC_CACHE_CHECK([for MSG_MORE],[ac_cv_msg_more],
  33       [AC_LANG_PUSH([C])
  34       AX_SAVE_FLAGS
  35       CFLAGS="$CFLAGS -I${srcdir}"
  36       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [int flags= MSG_MORE])], [ac_cv_msg_more="yes"])
  37       AC_LANG_POP
  38       AX_RESTORE_FLAGS])
  39
  40   AS_IF([test "x$ac_cv_msg_nosignal" = "xyes"],[AC_DEFINE([HAVE_MSG_NOSIGNAL],[1],[Define to 1 if you have a MSG_NOSIGNAL])])
  41   AS_IF([test "x$ac_cv_msg_dontwait" = "xyes"],[AC_DEFINE([HAVE_MSG_DONTWAIT],[1],[Define to 1 if you have a MSG_DONTWAIT])])
  42   AS_IF([test "x$ac_cv_msg_more" = "xyes"],[AC_DEFINE([HAVE_MSG_MORE],[1],[Define to 1 if you have a MSG_MORE])])
  43   ])
  44
  45 # ---------------------------------------------------------------------------
  46 # End Macro: SOCKET_SEND_FLAGS
  47 # ---------------------------------------------------------------------------