On 12/19/2013 01:43 AM, Andrew Warshall wrote:
> Hi-
> 
>    I'm resending this since it didn't seem to go through the first
>    time; also, I think I have a solution.
> 
>    This test fails on my system (Linux 3.7.10 kernel, glibc-2.17);
>    apparently "du a" is giving as output :
> 
> du: WARNING: Circular directory structure.
> This almost certainly means that you have a corrupted file system.
> NOTIFY YOUR SYSTEM MANAGER.
> The following directory is part of the cycle:
>   'a/b'
> 
>    instead of the expected
> 
> du: mount point 'a/b' already traversed
> 
>    Apparently, ./configure is assuming I don't have hasmntopt(), which
>    has become an issue because lib/mountlist.c now protects hasmntopt()
>    with #defines
> 
>    I've attached a patch, but I don't have autoconf; so someone who
>    does should test it before committing it.

CC'ing gnulib as that's where this check originates.
Also CC'ing interested parties from this related thread from today:
http://lists.gnu.org/archive/html/coreutils/2013-12/msg00143.html

Thanks for the analysis and patch!

Pádraig.