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dd7d0148 LC |
1 | # read.m4 serial 1 |
2 | dnl Copyright (C) 2011 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. | |
6 | ||
7 | AC_DEFUN([gl_FUNC_READ], | |
8 | [ | |
9 | AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) | |
10 | dnl This ifdef is just an optimization, to avoid performing a configure | |
11 | dnl check whose result is not used. It does not make the test of | |
12 | dnl GNULIB_UNISTD_H_NONBLOCKING or GNULIB_NONBLOCKING redundant. | |
13 | m4_ifdef([gl_NONBLOCKING_IO], [ | |
14 | gl_NONBLOCKING_IO | |
15 | if test $gl_cv_have_nonblocking != yes; then | |
16 | REPLACE_READ=1 | |
17 | AC_LIBOBJ([read]) | |
18 | fi | |
19 | ]) | |
20 | ]) |