Hi Folks!
Meanwhile I got a more detailed picture on the error.
- I tested several versions of Singular (3-0-4 and 3-1-0-beta) built
by Sage on four different machines. In *all* cases the error occured.
- I tested Singular 3-1-0-beta built by myself and Singular 3-1-0
(official release) built in Oberwolfach. The error does *not* occur.
In order to avoid a misunderstanding that occured on the Singular
mailing list:
The error does not only occur when Singular is used for the first time
after being built.
It always occurs when calling
> system("--version");
for the first time *in a session*. Start a new session, it will happen
again.
There is no problem when using the system command in a different way,
e.g.
> system("version");
(returns the version as a number).
And apparently it only occurs if Singular is built by Sage.
So, could it be Sage's fault, after all? Perhaps it was a big mistake
to remove the file "Hannes-Sprueche" from the Singular sources... ;)
Cheers,
Simon
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