Obsoleting libc_r: How to create compat links

[Ruslan Ermilov]

On Fri, Jun 27, 2003 at 07:21:38AM -0400, Daniel Eischen wrote:
> On Fri, 27 Jun 2003, Marcel Moolenaar wrote:
> 
> > On Fri, Jun 27, 2003 at 11:05:50AM +0300, Ruslan Ermilov wrote:
> > > Funny thing: reading your commit mail, and right after that
> > > receiving this message.  :-)
> > > 
> > > On Fri, Jun 27, 2003 at 12:56:07AM -0700, Marcel Moolenaar wrote:
> > > > [Ruslan added for his insights]
> > > > 
> > > > Ok,
> > > > 
> > > > I decided to obsolete libc_r on ia64 so that I can de-pessimize the
> > > > setjmp/longjmp code some time before 5.2 and have sufficient time to
> > > > deal with problems due to not having libc_r.
> > > > 
> > > > One thing we probably want to do is create compatibility links from
> > > > libc_r* to libthr* or libkse*. At this time I libthr is tested on
> > > > ia64, so I opt to have libc_r linked to libthr. What's the best way
> > > > to do that, so that it can be used for other platforms in due time?
> > > > 
> > > First off, symlinking won't help old binaries that were linked
> > > dynamically with libc_r.so.X, but you're supposed to well know
> > > that already.  :-)
> > 
> > Correct. I'm not worried about compatibility with previous releases
> > and the likes, because ia64 is still tier 2. I want "cc -pthread"
> > to work.
> 
> -pthread is obsoleted in -current.  I'm surprised that it
> hasn't been nuked yet.  There hasn't been a need for it
> in well over 2 years.  Just use -lpthread (-lkse) or -lthr.
> 
Oh, I thought that the intent was to be able to write -lc_r and
have the linker pick up another (modern) threaded library.  If
that is just to support -pthread, I also think that the latter
should just be nuked.  It is similarly news to me that -pthread
is still alive; I thought we killed it months ago.


Cheers,
-- 
Ruslan Ermilov		Sysadmin and DBA,
ru at sunbay.com		Sunbay Software Ltd,
ru at FreeBSD.org		FreeBSD committer
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