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Re: [PORTS] Anyone working on linux Alpha?

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
Cc: pgsql-hackers(at)postgreSQL(dot)org, pgsql-ports(at)postgreSQL(dot)org, Christopher C Chimelis <chris(at)beezer(dot)med(dot)miami(dot)edu>
Subject: Re: [PORTS] Anyone working on linux Alpha?
Date: 1999-06-08 17:35:02
Message-ID: 199906081735.NAA27067@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-ports
 diff -ruN pgsql/src/template/linux_alpha postgresql-patched/src/template/linux_alpha
> --- pgsql/src/template/linux_alpha	Tue Jun 16 06:04:00 1998
> +++ postgresql-patched/src/template/linux_alpha	Tue Jun  8 17:21:32 1999
> @@ -1,5 +1,5 @@
>  AROPT:crs
> -CFLAGS:-O2 -mieee
> +CFLAGS:-mieee
>  SHARED_LIB:-fpic
>  ALL:
>  SRCH_INC:
> 


> ======================================================================
> 
> This is required because of problems with egcs:
> 
> >> Is this patch suitable for forwarding upstream?  Do all linux Alphas
> >> have to disable -O2?
> >
> > Yes.  At least all that use egcs as a primary compiler (gcc 2.7.x never
> > worked for us, so unless they're using gcc 2.8.x, it won't work with -O2).
> 
> ...and...
> 
> > The patch I mailed you DEFINITELY needs to be included upstream if
> > possible.  All Alphas running linux and using egcs REQUIRE it to be
> > compiled without optimisation since it hoses the spinlock code (I'm
> > looking into it with the guy that wrote the spinlock code for Alphas).
> > And the alphapca56,7 machines are fairly common now.  Mention to them that
> > it might be helpful to use a config.sub from a more recent autoconf or
> > libtool since it includes another two or three new Alpha types (at least
> > the Debian sources do...I make sure of that :-)


I have just removed optimization on linux/alpha for this reason.  Can I
use -O optimization on this platform instead of -O2?


-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist(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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