Commit | Line | Data |
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5e8754f9 SDJ |
1 | # opendir.m4 serial 4 |
2 | dnl Copyright (C) 2011-2016 Free Software Foundation, Inc. | |
6ec2e0f5 SDJ |
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_OPENDIR], | |
8 | [ | |
9 | AC_REQUIRE([gl_DIRENT_H_DEFAULTS]) | |
10 | ||
11 | AC_CHECK_FUNCS([opendir]) | |
12 | if test $ac_cv_func_opendir = no; then | |
13 | HAVE_OPENDIR=0 | |
14 | fi | |
15 | dnl Replace opendir() for supporting the gnulib-defined fchdir() function, | |
16 | dnl to keep fchdir's bookkeeping up-to-date. | |
17 | m4_ifdef([gl_FUNC_FCHDIR], [ | |
18 | gl_TEST_FCHDIR | |
19 | if test $HAVE_FCHDIR = 0; then | |
20 | if test $HAVE_OPENDIR = 1; then | |
21 | REPLACE_OPENDIR=1 | |
22 | fi | |
23 | fi | |
24 | ]) | |
25 | dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced | |
26 | dnl by gnulib. | |
27 | case $host_os,$HAVE_OPENDIR in | |
28 | os2*,1) | |
29 | REPLACE_OPENDIR=1;; | |
30 | esac | |
31 | ]) |