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Re: GNU readline and BSD license

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Alex Pilosov <alex(at)pilosoft(dot)com>
Cc: Peter Bierman <bierman(at)apple(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: GNU readline and BSD license
Date: 2001-01-02 03:42:58
Message-ID: 200101020342.WAA06024@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
> > >I do not believe that.  In fact, I'll go further and say "Horsepucky!"
> > >The GPL applies to works that "contain or are derived from" a GPL'd
> > >program.  Linking to a separately distributed library does not cause
> > >psql either to contain or to be derived from libreadline.
> > 
> > 
> > Some very highly paid lawyers disagree with you.
> > 
> > That doesn't make them right, but keep in mind that no one has defined "derivitive work" in a court of law. And RMS isn't a lawyer.
> > 
> > I agree readline doesn't taint PG, but IMHO, the more distance between the GPL and PG, the better.
> OK. For the last time, here's the story about linking, as agreed upon by
> almost damn everyone:
> 
> a) dynamic linking is kosher, as of GPL2
> b) static linking is OK, but you may NOT redistribute resulting libraries.
> 
> I hope the above will put the discussion about readline to an end, as
> Postgres does not distribute statically linked binaries.

I read through this large thread, and it is good to see that readline
is not an issue for us.  Only binary distributions that statically link
in libreadline are a problem.

If people feel that this is a significant restriction, we can start
distributing libedit, or the binary packager can link libedit into their
binary.

I hesitate to add the libedit code to our already large distribution,
and I think several others agreed.

I am concerned about RMS's heavy-handed agenda in regards to the GPL,
but it appears he is not irrational in his requirements.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026
 

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