#20981: Fix debug build of some modules on Cygwin
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Reporter: embray | Type: defect
Status: new | Priority: minor
Milestone: sage-7.3 | Component: porting: Cygwin
Keywords: | Merged in:
Authors: Erik Bray | Reviewers:
Report Upstream: N/A | Work issues:
Branch: u/embray/cygwin- | Commit:
debug-module-list | 8868c785a4f6085f442c2cf4fb6b43033f954c1c
Dependencies: | Stopgaps:
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This small patch fixes some problems I was having doing a debug build of
Sage on Cygwin (`SAGE_DEBUG=yes`). I didn't have the same problem on
Windows.
I actually made this patch a few weeks ago and don't remember all the
details of why this was needed. No symbols from `gmp` are used explicitly
in those modules, but ''are'' brought in via `ntl`. Normally these unused
symbols would be optimized out at link time, but with `-O0` they are not.
There are also some Windows-specific details of the linker that I forget
that were specifically responsible for this failing on Windows, while it
still worked on Linux.
That said, it should be harmless to add this change in general.
--
Ticket URL: <https://trac.sagemath.org/ticket/20981>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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