#19602: Fix library dependencies
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Reporter: jdemeyer | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: build | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jdemeyer/cython_depends | 84ac62e907016499a336fd626d3b262a2e5e1202
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:10 leif]:
> Wow, getting more and more inefficient (memory footprint, number of
system calls/filesystem accesses). (W.r.t. reinventing the wheel, we
should probably consider dynamically creating Makefiles to build the Sage
library... ;-) )
I'd love to, but I think neither upstream Cython nor upstream distutils
will want to support that.
> You could at least cache the mapping of library names to their
(existing, probably single) pathnames
Right.
> if there's a shared library, you don't have to record another potential
static one of the same library -- on *nix at least.
Well, it doesn't really hurt either. It's just to be safe.
> After all, not relying on (say) timestamps of headers but recompiling
and relinking on every change of a shared library is pretty much against
one of their purposes.
Again, you are right but I don't see an easy way to express this in the
build system.
> Do you want to keep the verbose listing of (lengthy!) dependencies by
default?
Which "verbose listing of (lengthy!) dependencies"?
--
Ticket URL: <http://trac.sagemath.org/ticket/19602#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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