Merge of build trunk
[m6w6/libmemcached] / 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${srcdir}"
16
17 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [ int flags= MSG_NOSIGNAL ])], [ac_cv_msg_nosignal="yes"])
18 AC_LANG_POP
19 ])
20
21 AC_CACHE_CHECK([for MSG_DONTWAIT], [ac_cv_msg_dontwait], [
22 AC_LANG_PUSH([C])
23 save_CFLAGS="$CFLAGS"
24 CFLAGS="$CFLAGS -I${srcdir}"
25
26 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.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 ---------------------------------------------------------------------------