Package: bison
Version: 1.875d-1
Severity: serious
Synopsis: installation of bison does not properly install the yacc
alternatives symlinks - see below.
> I think I ran into this a few months back. It had to do with
> alternatives -- very odd.
Odd indeed. I found a stale yacc alternatives file for bison (byacc) on
kullervo, that might have prevented proper alternatives installation.
> /usr/bin/yacc needs to point to /etc/alternatives/yacc
> /etc/alternatives/yacc needs to point to /usr/bin/bison.yacc
Which should be taken care of by bison's postinstall script.
> It seems like I had to do something like
> update-alternatives --auto yacc
Which constitutes a bug in bison.
This section of bison.postinst
if [ $1 != "upgrade" ] ; then
update-alternatives --install /usr/bin/yacc yacc /usr/bin/bison.yacc
100 \
--slave /usr/share/man/man1/yacc.1.gz yaccman
/usr/share/man/man1/bison.1.gz
fi
doesn't work at all.
Funny enough, after a single invocation of update-alternatives --auto, it
does. Hence, adding that to the postinst seems like a good idea. Bug
filed.
Michael
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