trouble building libgcj on FreeBSD 2.2.7

[Andrew Haley]

> Date: Mon, 17 May 1999 08:34:21 -0700
> From: Anthony Green <green@cygnus.com>
> 
> Andrew wrote:
> > To start with, configure with --disable-threads and make sure that
> > everything works.  We generally use qthreads on Linux and
> > posix-threads on Solaris.  Have you tried --enable-threads=qt?
> 
> Actually, qthreads isn't in libgcj - although we could consider doing
> that.

Doh!  Silly me.  Sorry, I should have looked at libgcj to check before
I said that.

> > The problem in your case seems to be that pthread_cancel() is not
> > defined in your pthread.h.  I have no idea why that should be, but
> > as far as I know you're working on a system on which we haven't run
> > with POSIX threads, so you're going to have to do some porting work.
> 
> Yes, Andrew is right.  FreeBSD doesn't provide pthread_cancel().  I
> believe pthread_cancel is actually an optional part of the spec.
> 
> pthread_cancel() is used to implement Thread.stop.  Thread.stop is
> deprecated, and not using it is a really good idea.
> 
> I suppose our two options are
> 
> 1) add a configure test for pthread_cancel, and JvFail in Thread.stop
>    if it isn't provided, or
> 
> 2) simply remove Thread.stop.

I don't think that we should remove Thread.stop, even though it's
deprecated.  Option 1 sounds fine to me.

Andrew.