1 # opendir.m4 serial 5 2 dnl Copyright (C) 2011-2022 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 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles 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 ]) 33
Indexes created Fri Apr 24 00:22:58 UTC 2026