Dear Andreas et al:

My post to the cootbb on this never made it.

I've fixed the coot package to use gpp4, mmdb, ssm, clipper, and fftw(2) rather than ccp4-onlylibs-dev, which will cut down on the installation overhead in the future (these packages are minimal). fftw(3) is not compatible with fftw(2). fftw(2) is "legacy" but almost everyone in crystallography still seems to use it.

fftw-mpi is a variant of fftw and a superset. It allows the calculation to be split among multiple processors. For coot it doesn't matter, but if you already had fftw-mpi installed, coot shouldn't force installation of the other one (since it is a subset anyway). Previously I had coot link to static fftw built in ccp4- onlylibs-dev.

I've also updated the ccp4 package to fix (I hope) compilation and run- time problems. It built fine for me on 4 different machines.

I've put more details here:

http://tinyurl.com/cootccp4changes

I've also fixed a couple of shlibs packaging errors. As a consequence, you will probably have to issue the command

fink install coot

TWICE. The second time it goes really quickly (it only unpacks the debian file).

Similarly for ccp4.

As always, you can grab my debian packages and avoid the overhead of compiling:
http://tinyurl.com/fink-precompiled

All the best,

Bill




On Sep 12, 2008, at 2:52 AM, Andreas Förster wrote:

Hey there,

running fink update-all, I'm asked for help in picking a package to satisfy a virtual dependency, with fftw-shlibs and fftw-mpi-shlibs presented as alternatives. Coot as well as ccp4 have in their list of dependencies fftw-shlibs | fftw-mpi-shlibs, indicating that I can go with either. But what's the difference? Why are there two packages? They're both maintained by the Sebastien Maret, are at the same version and perform the same task (DFT in one or more dimensions, of both real and complex data, for arbitrary input size).

Currently on my Leppard system, I have fftw3 and fftw3-shlibs installed (I didn't follow Kevin's recent posts on the subject), but not any fftw-related package in version 2. Coot has always compiled fine, whereas ccp4 never has.

Thanks.


Andreas




--
       Andreas Förster, Research Associate
       Paul Freemont & Xiaodong Zhang Labs
Department of Biochemistry, Imperial College London

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