Re: New horology failure

OK, I will work on that.  With everything now centralized it should be
easier.

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Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Well, in the case you have an install prefix of /usr, we wouldn't want
> > relative installs because you would have /usr/bin and
> > /usr/lib/postgresql and that wouldn't be relocatable.
> 
> Why not?
> 
> ISTM that the algorithm should go something like this:
> 
> 1. Take PGBINDIR and strip off the last component (presumably "bin").
> 
> 2. See if this matches the configured SHAREDIR, PKGLIBDIR, or whatever
>    *for as many components as are in the stripped BINDIR*.  Do not
>    assume that SHAREDIR must have the same number of components.
> 
> 3.  If match, then what you should do is use the remaining unmatched
>     part of SHAREDIR etc as what to append to the trimmed exec_path.
> 
> For example given the test situation I had:
> 
> PGBINDIR = '/home/tgl/testversion/bin'
> PGSHAREDIR = '/home/tgl/testversion/share/postgresql'
> my_exec_path = '/home/tgl/pgsql-list/src/test/regress/./tmp_check/install//home/tgl/testversion/bin/postmaster'
> ret_path = '/home/tgl/testversion/share/postgresql'
> 
> what *should* have happened was compare /home/tgl/testversion to
> /home/tgl/testversion, decide they agree, and extract share/postgresql
> as the part to attach to my_exec_path.  Then you'd strip two components
> from my_exec_path ("bin" and program name) and attach
> "share/postgresql".  Voila ... right answer.
> 
>             regards, tom lane
> 

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