summaryrefslogtreecommitdiff
path: root/m4/setmode.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/setmode.m4')
-rw-r--r--m4/setmode.m438
1 files changed, 38 insertions, 0 deletions
diff --git a/m4/setmode.m4 b/m4/setmode.m4
new file mode 100644
index 0000000..1af6bca
--- /dev/null
+++ b/m4/setmode.m4
@@ -0,0 +1,38 @@
+# Check for setmode, DOS style.
+
+# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+AC_DEFUN([AC_FUNC_SETMODE_DOS],
+ [AC_CHECK_HEADERS(fcntl.h unistd.h)
+ AC_CACHE_CHECK([for DOS-style setmode],
+ [ac_cv_func_setmode_dos],
+ [AC_TRY_LINK(
+ [#include <io.h>
+ #if HAVE_FCNTL_H
+ # include <fcntl.h>
+ #endif
+ #if HAVE_UNISTD_H
+ # include <unistd.h>
+ #endif],
+ [int ret = setmode && setmode (1, O_BINARY);],
+ [ac_cv_func_setmode_dos=yes],
+ [ac_cv_func_setmode_dos=no])])
+ if test $ac_cv_func_setmode_dos = yes; then
+ AC_DEFINE(HAVE_SETMODE_DOS, 1,
+ [Define to 1 if you have the DOS-style `setmode' function.])
+ fi])