#16882: Update to NTL 6.2.1
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Reporter: jpflori | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.4
Component: packages: | Resolution:
standard | Merged in:
Keywords: spkg ntl | Reviewers:
Authors: Jean-Pierre Flori | Work issues:
Report Upstream: N/A | Commit:
Branch: | e2623ecfa6ec929f542765f2d0ca80a87dc762d0
u/fbissey/ntl-6.2.1 | Stopgaps:
Dependencies: |
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Comment (by jpflori):
A little more info:
* with Debian's GCC 4.4 and 4.6, only a few symbols get defined;
* with Debian's GCC 4.7, 4.8 and 4.9, a lof of symbols get defined;
* with FSF's GCC 4.3, only a few symbols get defined;
* with FSF's GCC 4.2 and 4.5, a lot of symbols get defined.
So it's kind of unfortunate that GCC behavior varies in that way.
Whatsoever, removing the `-fno-implicit-templates` flag from Singular
3-1-6 build system, let it link to a libntl.so without all the explicit
`DoSetLength` symbols.
So I guess the proper fix would be to explicitly list the needed templates
in Singular sources (the NTL6 compatibility patch does already this kind
of stuff), I'm now trying this solution.
Or we could just get rid of the `-fno-implicit-templates` flag from
Singular 3-1-6 build system.
Or do you think, we should make sure NTL always define the whole bunch of
symbols.
Not sure how singular-4.x behaves.
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Ticket URL: <http://trac.sagemath.org/ticket/16882#comment:90>
Sage <http://www.sagemath.org>
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