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# closedir.m4 serial 6
dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_CLOSEDIR],
[
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CHECK_FUNCS([closedir])
if test $ac_cv_func_closedir = no; then
HAVE_CLOSEDIR=0
fi
dnl Replace closedir() for supporting the gnulib-defined fchdir() function,
dnl to keep fchdir's bookkeeping up-to-date.
m4_ifdef([gl_FUNC_FCHDIR], [
gl_TEST_FCHDIR
if test $HAVE_FCHDIR = 0; then
if test $HAVE_CLOSEDIR = 1; then
REPLACE_CLOSEDIR=1
fi
fi
])
dnl Replace closedir() for supporting the gnulib-defined dirfd() function.
case $host_os,$HAVE_CLOSEDIR in
os2*,1)
REPLACE_CLOSEDIR=1;;
esac
])
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