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# rewinddir.m4
# serial 3
dnl Copyright (C) 2011-2024 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_REWINDDIR],
[
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
AC_CHECK_FUNCS([rewinddir])
if test $ac_cv_func_rewinddir = no; then
HAVE_REWINDDIR=0
else
dnl Replace rewinddir() on native Windows and OS/2 kLIBC,
dnl to support fdopendir().
AC_REQUIRE([gl_DIRENT_DIR])
if test $DIR_HAS_FD_MEMBER = 0; then
REPLACE_REWINDDIR=1
fi
fi
])
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