#13336: farey_symbol.pyx fails to build on Cygwin
---------------------------+------------------------------------------------
Reporter: jpflori | Owner: tbd
Type: defect | Status: new
Priority: major | Milestone: sage-5.3
Component: cygwin | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
---------------------------+------------------------------------------------
Comment (by jpflori):
Replying to [comment:2 jpflori]:
> I think the problem is as follows:
> As convert_* are declared extern in farey_symbol.h (from the public
modifier in farey_symbol.pyx) g++ adds _ _ imp _ _ prefixes in farey.o.
> Then if you actually build a dll of farey_symbol.cpp alone and link a
dll of farey.o alone to it ld is fine.
> But when you want to directly link farey_symbol.o and farey.o together,
ld whines...
This seems to be the problem.
If you remove the DL_IMPORT lines in farey_symbol.h (generated by Cython),
you'll link correctly.
I've got some ideas from here:
http://stackoverflow.com/questions/3704374/linking-error-lnk2019-in-msvc-
unresolved-symbols-with-imp-prefix-but-shoul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13336#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
