| 1 | # read.m4 serial 4 |
| 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. |
| 6 | |
| 7 | AC_DEFUN([gl_FUNC_READ], |
| 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_READ=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_NONBLOCKING or GNULIB_NONBLOCKING redundant. |
| 17 | m4_ifdef([gl_NONBLOCKING_IO], [ |
| 18 | gl_NONBLOCKING_IO |
| 19 | if test $gl_cv_have_nonblocking != yes; then |
| 20 | REPLACE_READ=1 |
| 21 | fi |
| 22 | ]) |
| 23 | ]) |
| 24 | |
| 25 | # Prerequisites of lib/read.c. |
| 26 | AC_DEFUN([gl_PREREQ_READ], [:]) |