What's the difference between singular-4.2.0p1+2021-04-06+sage and singular-4.2.0?

[Isuru Fernando]

Hi,

I don't understand the difference between the sage version and singular upstream.

Is it possible to use upstream sources and use patches like other packages?

Isuru Fernando

[François Bissey]

Hi,

The version shipped in sage is based on a fork of Matthias. It is essentially fixes
for building on windows for which he had PR not included in a release at the time.
From my own tests we can just use vanilla singular-4.2.0p1.

François

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[Vincent Delecroix]

Hi Isuru,

I don't like the situation either. The info is in SPKG.txt
"""
Special Update/Build Instructions
---------------------------------

The current upstream tarball is made from the branch at
https://github.com/mkoeppe/Singular/tree/Release-4-2-0-p1%2Bsage
"""

Vincent

[Dima Pasechnik]

As soon as you modify autoconf /automake files, it becomes infeasible to talk about "patches", as they are just way too big to be useful.

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[Isuru Fernando]

Thanks all for the responses. I'll go with singular-4.2.0 for conda since I'm not building singular for windows.

Isuru

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[Matthias Koeppe]

https://trac.sagemath.org/ticket/31642 takes us to a clean upstream (4.2.0p3, just released). Needs review