Commit | Line | Data |
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7a6dbc2f SDJ |
1 | # opendir.m4 serial 5 |
2 | dnl Copyright (C) 2011-2018 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]) | |
7a6dbc2f | 10 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles |
6ec2e0f5 SDJ |
11 | |
12 | AC_CHECK_FUNCS([opendir]) | |
13 | if test $ac_cv_func_opendir = no; then | |
14 | HAVE_OPENDIR=0 | |
15 | fi | |
16 | dnl Replace opendir() for supporting the gnulib-defined fchdir() function, | |
17 | dnl to keep fchdir's bookkeeping up-to-date. | |
18 | m4_ifdef([gl_FUNC_FCHDIR], [ | |
19 | gl_TEST_FCHDIR | |
20 | if test $HAVE_FCHDIR = 0; then | |
21 | if test $HAVE_OPENDIR = 1; then | |
22 | REPLACE_OPENDIR=1 | |
23 | fi | |
24 | fi | |
25 | ]) | |
26 | dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced | |
27 | dnl by gnulib. | |
28 | case $host_os,$HAVE_OPENDIR in | |
29 | os2*,1) | |
30 | REPLACE_OPENDIR=1;; | |
31 | esac | |
32 | ]) |