#14410: Let ATLAS build shared libraries on Cygwin
-------------------------------------+----------------------------
Reporter: jpflori | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: porting: Cygwin | Resolution:
Keywords: atlas spkg cygwin | Merged in:
Authors: Jean-Pierre Flori | Reviewers: Volker Braun
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #14754, #15270 | Stopgaps:
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Changes (by jpflori):
* status: needs_work => needs_review
Old description:
> Currently ATLAS build static libraries without problems on Cygwin, but
> the autotools build system crafted by Volker which uses libtool fail to
> repackage them into shared one.
> Indeed:
> * on usual platforms libtool already rants that it should not pack non-
> libtool objects (extracted from the static libs) together.
> * on Cygwin it just refuses to do so, and I could not find a flag to get
> the usual behavior (i.e. "rant but do it").
> The solution is to replace the libtool invokations by direct invocations
> to gcc and gfortran (or even ld if you feel adventurous).
> See http://trac.sagemath.org/sage_trac/ticket/10508#comment:392
>
> Use:
> * http://boxen.math.washington.edu/home/jpflori/spkg/atlas-3.10.1.p6.spkg
>
> This also allows building ATLAS by default on Cygwin.
New description:
Currently ATLAS build static libraries without problems on Cygwin, but the
autotools build system crafted by Volker which uses libtool fail to
repackage them into shared one.
Indeed:
* on usual platforms libtool already rants that it should not pack non-
libtool objects (extracted from the static libs) together.
* on Cygwin it just refuses to do so, and I could not find a flag to get
the usual behavior (i.e. "rant but do it").
The solution is to replace the libtool invokations by direct invocations
to gcc and gfortran (or even ld if you feel adventurous).
See http://trac.sagemath.org/sage_trac/ticket/10508#comment:392
Use:
* http://boxen.math.washington.edu/home/jpflori/spkg/atlas-3.10.1.p7.spkg
This also allows building ATLAS by default on Cygwin.
--
Comment:
Rebased on top of #15270 and revamped spkg-check.
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Ticket URL: <http://trac.sagemath.org/ticket/14410#comment:17>
Sage <http://www.sagemath.org>
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