#14492: Modular group cohomology, version 2.1.4
--------------------------------------+-------------------------------------
Reporter: SimonKing | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.10
Component: packages: optional | Resolution:
Keywords: group cohomology | Work issues:
Report Upstream: N/A | Reviewers: Volker Braun, Jeroen
Demeyer
Authors: SimonKing | Merged in:
Dependencies: | Stopgaps:
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Changes (by SimonKing):
* status: needs_work => needs_review
Comment:
OK, the spkg is updated. I verified that it does build on two systems with
gcc 4.6 resp. 4.7.2, but correctly refuses to build with gcc 4.4.5,
reporting a segmentation fault in `makeNontips`, namely
{{{
Testing makeNontips
/mnt/local/king/SAGE/prereleases/sage-5.9.rc0.system-
gcc/spkg/build/p_group_cohomology-2.1.4/src/bin/maketab 2
MAKETAB Revision 1.2 (1997/09/11)
Writing tables to p002.zzz
makeNontips -ORLL 2 /mnt/local/king/SAGE/prereleases/sage-5.9.rc0.system-
gcc/spkg/build/p_group_cohomology-2.1.4/src/present/src/test
make[1]: *** [makeNontips] Speicherzugriffsfehler
make[1]: *** Datei »makeNontips« wird gelöscht
make[1]: Leaving directory `/mnt/local/king/SAGE/prereleases/sage-5.9.rc0
.system-gcc/spkg/build/p_group_cohomology-2.1.4/src/bin'
make: *** [all] Fehler 2
Error building pGroupCohomology.
You are using gcc 4.4.5
If this is older than gcc 4.6, then please consider upgrading your system-
wide gcc,
or install Sage with its gcc spkg.
If your gcc version is more recent, then please inform the author.
}}}
The difference to the previous test is this: The test is now creating the
previously missing data file p002.zzz before calling `makeNontips`.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14492#comment:87>
Sage <http://www.sagemath.org>
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