d-type.m4
1.28 KB
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#serial 8
dnl From Jim Meyering.
dnl
dnl Check whether struct dirent has a member named d_type.
dnl
# Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
# Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE],
[AC_REQUIRE([AC_HEADER_DIRENT])dnl
AC_CACHE_CHECK([for d_type member in directory struct],
jm_cv_struct_dirent_d_type,
[AC_TRY_LINK(dnl
[
#include <sys/types.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# define dirent direct
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif /* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif /* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
],
[struct dirent dp; dp.d_type = 0;],
jm_cv_struct_dirent_d_type=yes,
jm_cv_struct_dirent_d_type=no)
]
)
if test $jm_cv_struct_dirent_d_type = yes; then
AC_DEFINE(HAVE_STRUCT_DIRENT_D_TYPE, 1,
[Define if there is a member named d_type in the struct describing
directory headers.])
fi
]
)