#6743: cygwin metaticket: port Sage to Microsoft Windows (via Cygwin): stage 1
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make building Sage automatic
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Reporter: was | Owner: was
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-5.9
Component: porting: Cygwin | Resolution:
Keywords: sd31 sd32 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre Flori, Dmitrii
Pasechnik, Karl-Dieter Crisman, Mike Hansen, William Stein, Luis Tabera
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by jpflori):
I think Im on the track of the matplotlib failure.
On my system, the fork errors look like:
{{{
2 [main] python2.7 3540 child_info_fork::abort:
C:\cygwin\home\jp\sage-5.9.beta0\local\bin\libpython2.7.dll: Loaded to
different address: parent(0x5EC70000) != child(0x6A640000)
}}}
And in the rebase database, I can see
{{{
$ rebase -i -s|grep "libpython"
/usr/bin/libpython2.7.dll
base 0x5ec70000 size 0x00176000
/home/jp/sage-5.9.beta0/local/bin/libpython2.7.dll
base 0x6a640000 size 0x00599000
}}}
So it seems the system and Sage libpython2.7.dll get mixed up.
This was surely not a problem before as Cygwin just recently updated to
Python 2.7, see http://cygwin.com/ml/cygwin-announce/2012-12/msg00024.html
Let's now find out why both libraries get mixed up.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6743#comment:216>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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