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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/113059] [14 regression] fftw fails tests for -O3 -m32
 -march=znver2 since r14-6210-ge44ed92dbbe9d4
Date: Fri, 22 Dec 2023 18:41:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113059

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Florian Weimer from comment #8)
> (In reply to Jakub Jelinek from comment #3)
> > Seems the package's configure is affected by most likely the modern C
> > changes,
> > I see
> > --- config.h.good	2023-12-22 17:47:44.615207332 +0100
> > +++ config.h.bad	2023-12-22 17:46:42.304068624 +0100
> > @@ -37,7 +37,7 @@
> >  /* #undef F77_FUNC_ */
> >=20=20
> >  /* Define if F77_FUNC and F77_FUNC_ are equivalent. */
> > -/* #undef F77_FUNC_EQUIV */
> > +#define F77_FUNC_EQUIV 1
> >=20=20
> >  /* Define if F77 and FC dummy `main' functions are identical. */
> >  /* #undef FC_DUMMY_MAIN_EQ_F77 */
> > @@ -404,7 +404,7 @@
> >=20=20
> >  /* Include g77-compatible wrappers in addition to any other Fortran
> > wrappers.
> >     */
> > -/* #undef WITH_G77_WRAPPERS */
> > +#define WITH_G77_WRAPPERS 1
> >=20=20
> >  /* Use our own aligned malloc routine; mainly helpful for Windows syst=
ems
> >     lacking aligned allocation system-library routines. */
> > diff in config.h between my system gcc 12 and gcc 14 snapshot.
> > But that isn't the reason for the failure.
>=20
> I don't see a different to system gcc 13. It has F77_FUNC_EQUIV and
> WITH_G77_WRAPPERS set as well. Do you see this for all build variants of
> fftw?

Ah, seems I don't have system gfortran installed, which is probably the cau=
se
of the config.h difference.  Sorry for the false alarm.=