1# write.m4 serial 5
2dnl Copyright (C) 2008-2014 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_WRITE],
8[
9  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
10  AC_REQUIRE([gl_MSVC_INVAL])
11  if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
12    REPLACE_WRITE=1
13  fi
14  dnl This ifdef is just an optimization, to avoid performing a configure
15  dnl check whose result is not used. It does not make the test of
16  dnl GNULIB_UNISTD_H_SIGPIPE or GNULIB_SIGPIPE redundant.
17  m4_ifdef([gl_SIGNAL_SIGPIPE], [
18    gl_SIGNAL_SIGPIPE
19    if test $gl_cv_header_signal_h_SIGPIPE != yes; then
20      REPLACE_WRITE=1
21    fi
22  ])
23  m4_ifdef([gl_NONBLOCKING_IO], [
24    gl_NONBLOCKING_IO
25    if test $gl_cv_have_nonblocking != yes; then
26      REPLACE_WRITE=1
27    fi
28  ])
29])
30
31# Prerequisites of lib/write.c.
32AC_DEFUN([gl_PREREQ_WRITE], [:])
33