-# serial 22
+# serial 24
# Determine whether we need the chown wrapper.
-dnl Copyright (C) 1997-2001, 2003-2005, 2007, 2009
-dnl Free Software Foundation, Inc.
+dnl Copyright (C) 1997-2001, 2003-2005, 2007, 2009-2011 Free Software
+dnl Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl Solaris 9 ignores trailing slash.
dnl FreeBSD 7.2 mishandles trailing slash on symlinks.
+ dnl Likewise for AIX 7.1.
AC_CACHE_CHECK([whether chown honors trailing slash],
[gl_cv_func_chown_slash_works],
[touch conftest.file && rm -f conftest.link
#include <stdlib.h>
#include <errno.h>
- int
- main ()
- {
- char const *dangling_symlink = "conftest.dangle";
+ int
+ main ()
+ {
+ int result = 0;
+ char const *dangling_symlink = "conftest.dangle";
- unlink (dangling_symlink);
- if (symlink ("conftest.no-such", dangling_symlink))
- abort ();
+ unlink (dangling_symlink);
+ if (symlink ("conftest.no-such", dangling_symlink))
+ abort ();
- /* Exit successfully on a conforming system,
- i.e., where chown must fail with ENOENT. */
- exit ( ! (chown (dangling_symlink, getuid (), getgid ()) != 0
- && errno == ENOENT));
- }
- ]])],
- [gl_cv_func_chown_follows_symlink=yes],
- [gl_cv_func_chown_follows_symlink=no],
- [gl_cv_func_chown_follows_symlink=yes]
+ /* Exit successfully on a conforming system,
+ i.e., where chown must fail with ENOENT. */
+ if (chown (dangling_symlink, getuid (), getgid ()) == 0)
+ result |= 1;
+ if (errno != ENOENT)
+ result |= 2;
+ return result;
+ }
+ ]])],
+ [gl_cv_func_chown_follows_symlink=yes],
+ [gl_cv_func_chown_follows_symlink=no],
+ [gl_cv_func_chown_follows_symlink=yes]
)
]
)