1# Check for setmode, DOS style. 2 3# Copyright (C) 2001, 2002 Free Software Foundation, Inc. 4 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 2, or (at your option) 8# any later version. 9 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14 15# You should have received a copy of the GNU General Public License 16# along with this program; if not, write to the Free Software 17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 18# 02111-1307, USA. 19 20AC_DEFUN([AC_FUNC_SETMODE_DOS], 21 [AC_CHECK_HEADERS(fcntl.h unistd.h) 22 AC_CACHE_CHECK([for DOS-style setmode], 23 [ac_cv_func_setmode_dos], 24 [AC_TRY_LINK( 25 [#include <io.h> 26 #if HAVE_FCNTL_H 27 # include <fcntl.h> 28 #endif 29 #if HAVE_UNISTD_H 30 # include <unistd.h> 31 #endif], 32 [int ret = setmode && setmode (1, O_BINARY);], 33 [ac_cv_func_setmode_dos=yes], 34 [ac_cv_func_setmode_dos=no])]) 35 if test $ac_cv_func_setmode_dos = yes; then 36 AC_DEFINE(HAVE_SETMODE_DOS, 1, 37 [Define to 1 if you have the DOS-style `setmode' function.]) 38 fi]) 39