On Sun, Sep 13, 2009 at 11:38:23AM -0400, Jerry Quinn wrote:
> Package: bison
> Version: 1:2.4.1.dfsg-2+b1
> Severity: normal
> 
> 
> When installing, I get the following dpkg output:
> 
> Selecting previously deselected package bison.
> (Reading database ... 224595 files and directories currently installed.)
> Unpacking bison (from .../bison_1%3a2.4.1.dfsg-2+b1_amd64.deb) ...
> Processing triggers for man-db ...
> Setting up bison (1:2.4.1.dfsg-2+b1) ...
> update-alternatives: using /usr/bin/bison.yacc to provide /usr/bin/yacc 
> (yacc) in auto mode.
> update-alternatives: warning: not replacing /usr/bin/yacc with a link.
> Press return to continue.

I am not sure how I should respond to this report.

If memory serves, there was a major screw-up in an old bison package on
the yacc alternative.  One of the effects of that screw up was that
removing bison leaves behind a dangling /usr/bin/yacc file, which I
guess is what you are seeing.  That bug had since been fixed.

There is, unfortunately, no satisfactory way to clean up that problem,
because there is no way to tell, reliably, whether the /usr/bin/yacc
file was accidentally left behind (in which case it should be deleted)
or installed by the user (in which case it should be left as-is).  So
the best the system can do is to warn you that there is a problem, which
the messages you see did.

If you have some concrete suggestions, please let me know.

-- 
Chuan-kai Lin
http://web.cecs.pdx.edu/~cklin/



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