#14038: Let libgap build a shared library on Cygwin
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Reporter: jpflori | Owner: tbd
Type: defect | Status: needs_work
Priority: major | Milestone: sage-5.7
Component: packages | Resolution:
Keywords: cygwin spkg libgap | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre Flori
Authors: Volker Braun | Merged in:
Dependencies: | Stopgaps:
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Comment (by jpflori):
I don't really follow you here.
From what you linked, it seems that using an extern environ won't work
(unless we allow undefined vars at compile time and hope that at runtime
something will have properly defined and exported environ and we can link
to it, which I find bad practice), and that instead one should use
_NSGetEnviron() (which is available and can be linked in at compile time).
Even though only defining -no-undefined on Cygwin can only smoothen
things, I don't think it would be a mistake to define it unconditionally,
provided we correctly define environ in all situations.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14038#comment:26>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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