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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/96797] OpenACC fortran acc_get_cuda_stream
Date: Thu, 27 Aug 2020 09:31:12 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96797

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu.org

--- Comment #1 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Pavan from comment #0)
> We observed that, acc_get_cuda_stream is declared in openacc.h file(C
> implementaion uses this)
> But acc_get_cuda_stream is not declared in openacc.f90 file(fortran
> implementation uses openacc.mod)

If you look at section A.2 of either OpenACC 2.6 (supported by GCC)
https://www.openacc.org/sites/default/files/inline-files/OpenACC.2.6.final.=
pdf
or in 3.0 (latest version) you only find the C/C++ version:
https://www.openacc.org/sites/default/files/inline-images/Specification/Ope=
nACC.3.0.pdf

I note that there is an attempt to add a Fortran C-binding interface to it =
at
https://sourceforge.net/projects/fortcuda/ (does not seem to be very active=
).

That would be also my proposal to you as quick solution: Simply create an
INTERFACE for them using BIND(C).=