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Subject: Re: [OMPI devel] use of AC_CACHE_CHECK in otf
From: Matthias Jurenz (matthias.jurenz_at_[hidden])
Date: 2008-03-10 10:09:36


Fixed. Thank for your hint, Ralf.

On Do, 2008-03-06 at 22:23 +0100, Ralf Wildenhues wrote:

> In ompi/contrib/vt/vt/extlib/otf/acinclude.m4, in the macros WITH_DEBUG
> and WITH_VERBOSE, dubious constructs such as
>
> AC_CACHE_CHECK([debug],
> [debug],
> [debug=])
>
> are used. These have the following problems:
>
> * Cache variables need to match *_cv_* in order to actually be saved
> (where the bit before _cv_ is preferably a package or author prefix,
> for namespace cleanliness; see
> <http://www.gnu.org/software/autoconf/manual/html_node/Cache-Variable-Names.html>.
> The next Autoconf version will warn about this.
>
> * There is little need to cache information that the user provided on
> the configure command line. If configure is rerun by './config.status
> --recheck', it remembers the original configure command line. Only if
> the user manually reruns configure (and keeps config.cache) does this
> make a difference.
>
> So I suggest you remove those two instances of AC_CACHE_CHECK usage,
> or forward this information to the author of oft.
>
> Thanks,
> Ralf
> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>

--
Matthias Jurenz,
Center for Information Services and 
High Performance Computing (ZIH), TU Dresden, 
Willersbau A106, Zellescher Weg 12, 01062 Dresden
phone +49-351-463-31945, fax +49-351-463-37773




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