gr-air-modes/config/gr_check_createfilemapping.m4
2010-09-14 22:01:56 -07:00

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dnl
dnl Copyright 2005 Free Software Foundation, Inc.
dnl
dnl This file is part of GNU Radio
dnl
dnl GNU Radio is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3, or (at your option)
dnl any later version.
dnl
dnl GNU Radio is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with GNU Radio; see the file COPYING. If not, write to
dnl the Free Software Foundation, Inc., 51 Franklin Street,
dnl Boston, MA 02110-1301, USA.
dnl AC_DEFUN([GR_CHECK_CREATEFILEMAPPING],
dnl [
dnl AC_CHECK_FUNCS([CreateFileMapping])
dnl ])
AC_DEFUN([GR_CHECK_CREATEFILEMAPPING],[
AC_MSG_CHECKING([for CreateFileMapping function])
AC_COMPILE_IFELSE([
#include <windows.h>
int main (int argc, char **argv)
{
HANDLE handle;
int size;
char seg_name[[1024]];
handle = CreateFileMapping(
INVALID_HANDLE_VALUE, // use paging file
NULL, // default security
PAGE_READWRITE, // read/write access
0, // max. object size
size, // buffer size
seg_name); // name of mapping object
return 0;
}
],[HAVE_CREATEFILEMAPPING=yes
AC_DEFINE(HAVE_CREATEFILEMAPPING,[1],[Define if you have the CreateFilemapping function(win32).])],
[HAVE_CREATEFILEMAPPING=no])
AC_MSG_RESULT($HAVE_CREATEFILEMAPPING)
AM_CONDITIONAL(HAVE_CREATEFILEMAPPING, test x$HAVE_CREATEFILEMAPPING = xyes)
])