[tex-live] Where is the master control switch?

[Hartmut Henkel]

On Mon, 31 Jul 2006, Martin Schröder wrote:

> 2006/7/31, Ken Brooks <kenb at rpath.com>:
> > 1. Does a texmf.cnf need to be available at compile time when the
> > various tex programs are built?  In general, does the texmf tree as a
> > whole need to be installed for best results before compiling tex programs?
>
> No. No.

does this mean that the messages

checking where the main texmf tree is located... not found
configure: warning: No texmf tree found at datadir/texmf (/opt/tex/share/texmf)
configure: warning: proceeding anyway.
  *****************************************************************
  * Warning: The main texmf tree was not found.                   *
  * If you do not have the files, you should be able to find them *
  * at the same place you got these sources, or from one of the   *
  * CTAN hosts. Good luck.                                        *
  *****************************************************************

are pointless? And why /opt/tex/...?

Regards, Hartmut