[naviserver-commits] naviserver/m4 cmmsg.m4,NONE,1.1

[Vlad S. <ser...@us...>]

Update of /cvsroot/naviserver/naviserver/m4
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12272

Added Files:
	cmmsg.m4 
Log Message:


--- NEW FILE: cmmsg.m4 ---
#
# The contents of this file are subject to the AOLserver Public License
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# The Original Code is AOLserver Code and related documentation
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# $Header: /cvsroot/naviserver/naviserver/m4/cmmsg.m4,v 1.1 2005/11/02 23:20:07 seryakov Exp $
#

dnl
dnl Check to see if msghdr structure can support BSD4.4 style message passing.  
dnl Defines HAVE_CMMSG.
dnl

AC_DEFUN([AC_HAVE_CMMSG],
[
  AC_CACHE_CHECK([for cmmsg], ac_cmmsg,
    [AC_TRY_COMPILE(
      [ #include <sys/types.h>
        #include <sys/socket.h> ],
      [ struct msghdr msg; msg.msg_control = 0; ],
      ac_cmmsg=yes,
      ac_cmmsg=no)])
  if test $ac_cmmsg = yes; then
    AC_DEFINE_UNQUOTED(HAVE_CMMSG, 1, [Define if you have support for BSD4.4 style msg passing.])
  fi
])