| 1 | # opendir.m4 serial 4 |
| 2 | dnl Copyright (C) 2011-2016 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_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 | ]) |