1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
# isatty.m4
# serial 4
dnl Copyright (C) 2012-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.
AC_DEFUN([gl_FUNC_ISATTY],
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
dnl On native Windows, the system's isatty(), defined as an alias of _isatty()
dnl in the "oldnames" library, returns true for the NUL device.
case $host_os in
mingw* | windows*) REPLACE_ISATTY=1 ;;
esac
])
# Prerequisites of lib/isatty.c.
AC_DEFUN([gl_PREREQ_ISATTY], [:])
|
