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Date: Thu, 24 May 2007 10:16:00 -0000
From: "Richard Guenther" <richard.guenther@gmail.com>
To: "Kaveh R. GHAZI" <ghazi@caip.rutgers.edu>
Subject: Re: [PATCH]: PR middle-end/30250, use MPFR for lgamma_r/gamma_r
Cc: gcc-patches@gcc.gnu.org, Joe.Buck@synopsys.com,  	"Janis Johnson" <janis187@us.ibm.com>
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On 5/24/07, Richard Guenther <richard.guenther@gmail.com> wrote:
> On 5/24/07, Kaveh R. GHAZI <ghazi@caip.rutgers.edu> wrote:
> > On Wed, 23 May 2007, Richard Guenther wrote:
> >
> > > This:
> > >
> > > /* Expect failures at least until mpfr-2.3.0 is released. */
> > > /* { dg-xfail-if "mpfr-2.3.0" { *-*-* } } */
> > >
> > > doesn't work.  Or did you forget a testsuite/lib patch?
> > > Richard.
> >
> > There was no testsuite patch involved, dg-xfail-if should work just fine.
> > Can you provide some more info as to what exactly doesn't work?  Here are
> > some 4.3.0 testresults posted for the trunk dated 20070523 on various
> > platforms.  None of them show builtin-math-4.c failing:
> >
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01156.html
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01155.html
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01153.html
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01151.html
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01143.html
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01132.html
> >
> > Ah!  I found one from Joe Buck that doesn't pickup the xfail:
> > http://gcc.gnu.org/ml/gcc-testresults/2007-05/msg01149.html
> >
> > But I can't explain why.  Maybe he's using an outdated version of dejagnu?
>
> Hm, I don't know how this dg-xfail-if is supposed to work - where does it
> get the mpfr-2.3.0 thing from?  I'm using the (outdated, but the docs
> only list 1.4.4 as requirement) dejagnu 1.4.3 and mpfr 2.2.0.

Updating to dejagnu 1.4.4 fixed it.  Luckily that still works with old tcl ;)

Richard.