-# serial 11
+# serial 14
dnl From Jim Meyering.
dnl
dnl Check whether struct dirent has a member named d_ino.
dnl
-# Copyright (C) 1997, 1999-2001, 2003-2004, 2006-2007, 2009-2010 Free Software
+# Copyright (C) 1997, 1999-2001, 2003-2004, 2006-2007, 2009-2014 Free Software
# Foundation, Inc.
# This file is free software; the Free Software Foundation
# 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],
+ [AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([for d_ino member in directory struct],
gl_cv_struct_dirent_d_ino,
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
if (! dp)
return 1;
e = readdir (dp);
- return ! (e
- && stat (e->d_name, &st) == 0
- && e->d_ino == st.st_ino);]])],
- [gl_cv_struct_dirent_d_ino=yes],
- [gl_cv_struct_dirent_d_ino=no],
- [gl_cv_struct_dirent_d_ino=no])])
- if test $gl_cv_struct_dirent_d_ino = yes; then
- AC_DEFINE([D_INO_IN_DIRENT], [1],
- [Define if struct dirent has a member d_ino that actually works.])
- fi
+ if (! e)
+ return 2;
+ if (lstat (e->d_name, &st) != 0)
+ return 3;
+ if (e->d_ino != st.st_ino)
+ return 4;
+ return 0;
+ ]])],
+ [gl_cv_struct_dirent_d_ino=yes],
+ [gl_cv_struct_dirent_d_ino=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems with Linux kernel.
+ linux*-gnu*) gl_cv_struct_dirent_d_ino="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_struct_dirent_d_ino="guessing no" ;;
+ esac
+ ])])
+ case "$gl_cv_struct_dirent_d_ino" in
+ *yes)
+ AC_DEFINE([D_INO_IN_DIRENT], [1],
+ [Define if struct dirent has a member d_ino that actually works.])
+ ;;
+ esac
]
)