[60530] trunk/dports/science/gromacs/Portfile

[Ryan Schmidt]

On Nov 17, 2009, at 09:52, Andrew Fernandes wrote:

>> Is there no way to make the single "gromacs" port install both single- and double-precision parts at once? That's how I had hoped fftw would go.
> 
> Hi, Ryan - 
> 
> Excellent question - I beat my head against it for a while because I agree with you, but the build script (autotools) changes a *lot* of things if the "double-precision" option is selected.
> 
> Basically, you'd have to run two sequential builds, destroot them separately, then merge. Waaaay too much work. If someone wants to do that with the Portfile, I'd be happy with it, but... no simple way - and I tried.
> 
> The reality is that very very few people should need the double-precision mode. It is provided for a specific type of computation that is not super-common, hence why "single precision" is the default.

Ok, sounds good, thanks for the explanation.