[PATCH]: PR middle-end/30250, use MPFR for lgamma_r/gamma_r

[Richard Guenther]

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  Maybe he's using an outdated version of dejagnu?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  I'm using the (outdated, but the docs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.

Richard.