GCC48 & GCC47 + FFTW-3

[Federico Calboli]

Aloha all,

today I upgraded fftw (which is required by ImageMagick) and I discovered that fftw automagically moved to fftw-3, which comes with gcc48 as a dependency (I have all my stuff compiled with gcc47).  

Now, what should I do?  remove gcc48 and fftw-3 and reinstall fftw-3 +gcc47?  Py27-SciPy and a bunch of other stuff are configured +gcc47 in my rig.  Alternatively I could migrate to gcc48, but I would like to do so *without breaking anything*.  If I choose this second option, how do I automatically (1) determine which installed ports require/were build with gcc47 (2) remove the lot and (3) rebuild the stuff removed and cleaned so that the new gcc compiler is gcc48?  part (1) seems to be as simples as `port installed |grep gcc47' though this might be deceptive.  Parts (2) and (3) look more fraught.

All in all moving fttw to fttw-3 (without asking) and getting a new compiler (without asking) seem to be pretty rude.

BW

F

--
Federico Calboli
f.calboli at gmail.com





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