2 dnl Copyright (C) 2011-2014 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_READ],
9 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
10 AC_REQUIRE([gl_MSVC_INVAL])
11 if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
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_NONBLOCKING or GNULIB_NONBLOCKING redundant.
17 m4_ifdef([gl_NONBLOCKING_IO], [
19 if test $gl_cv_have_nonblocking != yes; then
25 # Prerequisites of lib/read.c.
26 AC_DEFUN([gl_PREREQ_READ], [:])