1#serial 4
2
3dnl From Jim Meyering.
4dnl
5dnl Check whether struct dirent has a member named d_ino.
6dnl
7
8AC_DEFUN([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO],
9  [AC_REQUIRE([AC_HEADER_DIRENT])dnl
10   AC_CACHE_CHECK([for d_ino member in directory struct],
11		  jm_cv_struct_dirent_d_ino,
12     [AC_TRY_LINK(dnl
13       [
14#include <sys/types.h>
15#ifdef HAVE_DIRENT_H
16# include <dirent.h>
17#else /* not HAVE_DIRENT_H */
18# define dirent direct
19# ifdef HAVE_SYS_NDIR_H
20#  include <sys/ndir.h>
21# endif /* HAVE_SYS_NDIR_H */
22# ifdef HAVE_SYS_DIR_H
23#  include <sys/dir.h>
24# endif /* HAVE_SYS_DIR_H */
25# ifdef HAVE_NDIR_H
26#  include <ndir.h>
27# endif /* HAVE_NDIR_H */
28#endif /* HAVE_DIRENT_H */
29       ],
30       [struct dirent dp; dp.d_ino = 0;],
31
32       jm_cv_struct_dirent_d_ino=yes,
33       jm_cv_struct_dirent_d_ino=no)
34     ]
35   )
36   if test $jm_cv_struct_dirent_d_ino = yes; then
37     AC_DEFINE(D_INO_IN_DIRENT, 1,
38  [Define if there is a member named d_ino in the struct describing
39   directory headers.])
40   fi
41  ]
42)
43