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From: "sgk at troutmask dot apl.washington.edu" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libfortran/98301] random_init() is broken
Date: Mon, 22 Feb 2021 19:11:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98301

--- Comment #7 from Steve Kargl <sgk at troutmask dot apl.washington.edu> -=
--
On Mon, Feb 22, 2021 at 06:57:03PM +0000, sgk at troutmask dot
apl.washington.edu wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98301
>=20
> --- Comment #6 from Steve Kargl <sgk at troutmask dot apl.washington.edu>=
 ---
> On Mon, Feb 22, 2021 at 04:36:50AM +0000, jvdelisle at gcc dot gnu.org wr=
ote:
> >=20
> > --- Comment #5 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
> > Steve, if you think this does it. I will get it ready to commit for you=
.  Does
> > it also need to be back ported?
> >=20
>=20
> Well, I think it is correct for at least what I've been
> able to test!  I don't use co-arrays, so do not have
> OpenCoarray or the shared-memory WIP installed.  For,
> -fcoarray=3Dlib or -fcoarray=3Dshared, function calls are
> generated.  These are currently unimplimented and need
> to be implemented in such a manner as the function calls
> are aware of the underlying coarray implemention.  I=20
> don't remember the details, but I recall that the images=20
> need to communicate about the seeds.
>=20

Oh, one last item.  This patch will likely break gfortran+opencoarray
because _gfortran_caf_random_init is missing, and therefore will
prevent linking of the program.=