On Jan 9, 12:17 am, William Stein <wst...@gmail.com> wrote: > On Fri, Jan 8, 2010 at 7:15 AM, Dag Sverre Seljebotn > > > > <da...@student.matnat.uio.no> wrote: > >> > Well Sage is a bit different than this because you'd want the full set > >> > of tools for easy porting of SPKGs -- bash, tar, make, gcc, ... > > >> well, that's if you want to do Sage development, isn't it? > >> (I'd be surprised if Sage needs a gcc compiler for a binary install) > > > Well, the installation of optional SPKGs currently relies on the > > availability of a compiler. If you are happy with loosing optional SPKGs > > then you are right. > > > In theory one could introduce the concept of "binary SPKGs" (though I'd > > take a hard look at alternative, pre-written distribution mechanisms > > first). > > > Dag Sverre > > In addition, Cython doesn't work at all without a compiler. It's very > reasonable that Sage end users would use Cython with Sage, and for > this they need a compiler. The tight integration of Sage and Cython > (e.g., %cython mode in the notebook) is one of the "killer features" > of Sage, and it vanishes without a C compiler. > > We didn't used to ship GCC (or other tools) with Sage (via Cygwin) for > Windows, though maybe we should have. We just shipped some relevant > DLL's. > > There are some weird and very painful Windows-inherited relocation > issues with Cygwin and dynamic loading of shared object libraries, by > the way, which do make things hard. Maybe they aren't as bad these > days (I don't know). > > Anyway, Dima, thanks for sorting my position that a Cygwin port of > Sage would be very valuable indeed! William, You are welcome.
IMHO, it might be more reasonable to require Cygwin with the right tools (gcc + cython + whatever else is needed) being pre-installed, than to package everything in one mega-bundle. (one could perhaps have a custom Cygwin installer, with right things selected, provided) Although I understand that I touch upon a sensitive issue of packaging Sage in general... :) By the way, anything new about moving to the newest GAP version? Dmitrii > > -- William
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