Well, I am getting so senile I didn't even remember that something other than 
the plug-ins depended on gfortran until I tried to make a lite one.  I still 
might, because it would be kind of cool to have one that uses the aqua-tk 
interface…


On Jul 31, 2011, at 4:27 PM, Koen van der Drift wrote:

> Bill,
> 
> Thanks for this explanation - with this excellent info it only seems logical 
> to include scipy and gcc to the package, no need to make a lite version, as 
> far as I am concerned. Sorry for the noise :)
> 
> - Koen.
> 
> 
> On Jul 31, 2011, at 7:21 PM, William G. Scott wrote:
> 
>> Dear Koen et al:
>> 
>> The reason for the inclusion of scipy it to support two pymol plugins:  APBS 
>> (an electrostatics program that is quite popular amongst structural 
>> molecular biologists) and a py-nmr plugin (of use to NMR spectroscopists).  
>> There may be other reasons as well that I am not aware of.
>> 
>> Please note, even if the plugins that I and other maintainers in this 
>> package's history were removed, and the dependency upon scipy, there would 
>> STILL be a required dependency on gcc46 (or some form of gfortran) because 
>> of the python gui, i.e., the tkinter python megawidgets has a dependency 
>> upon BLT (a tcltk widget), and BLT has a dependency upon a fortran 
>> component.  Omitting the fortran components from BLT still allows it to 
>> compile, but it is not the fully-enabled BLT required by some other packages.
>> 
>> So we are doomed, unless we want to create a separate set of dependencies 
>> for a slimmed-down pymol.  I am willing to do this, but this does come with 
>> some overhead.
>> 
>> Bill
>> 
>> 
> 


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