- jm_cv_struct_dirent_d_ino=yes,
- jm_cv_struct_dirent_d_ino=no)
- ]
- )
- if test $jm_cv_struct_dirent_d_ino = yes; then
- AC_DEFINE(D_INO_IN_DIRENT, 1,
- [Define if there is a member named d_ino in the struct describing
- directory headers.])
+# 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_INO],
+ [AC_CACHE_CHECK([for d_ino member in directory struct],
+ gl_cv_struct_dirent_d_ino,
+ [AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>
+ #include <sys/stat.h>
+ #include <dirent.h>
+ ]],
+ [[DIR *dp = opendir (".");
+ struct dirent *e;
+ struct stat st;
+ if (! dp)
+ return 1;
+ e = readdir (dp);
+ if (! e)
+ return 2;
+ if (stat (e->d_name, &st) != 0)
+ return 3;
+ if (e->d_ino != st.st_ino)
+ return 4;
+ return 0;
+ ]])],
+ [gl_cv_struct_dirent_d_ino=yes],
+ [gl_cv_struct_dirent_d_ino=no],
+ [gl_cv_struct_dirent_d_ino=no])])
+ if test $gl_cv_struct_dirent_d_ino = yes; then
+ AC_DEFINE([D_INO_IN_DIRENT], [1],
+ [Define if struct dirent has a member d_ino that actually works.])