[Mvapich-discuss] GCC-11.1.0 Support?

[Subramoni, Hari]

Hi, All.

We followed up with Nicholas off the list and provided him with an updated 2.3.6 pre-release tarball containing the fix. He confirmed that the fix works for him.

The 2.3.6 version is slated to be released in a week or so.

We would like to thank everyone for all the feedback.

Best,
Hari.

From: Subramoni, Hari <subramoni.1 at osu.edu>
Sent: Friday, April 30, 2021 11:57 AM
To: Clark, Nicholas - 1002 - MITLL <Nicholas.Clark at ll.mit.edu>
Cc: mvapich-discuss at lists.osu.edu; Subramoni, Hari <subramoni.1 at osu.edu>
Subject: RE: GCC-11.1.0 Support?

Hi, Nicholas.

Thanks for the report. We appreciate it.

We have fixed this internally and the solution will be available in our next release slated to be out in the next couple of weeks.

Best,
Hari.

From: Mvapich-discuss <mvapich-discuss-bounces at lists.osu.edu<mailto:mvapich-discuss-bounces at lists.osu.edu>> On Behalf Of Clark, Nicholas - 1002 - MITLL via Mvapich-discuss
Sent: Friday, April 30, 2021 11:03 AM
To: mvapich-discuss at lists.osu.edu<mailto:mvapich-discuss at lists.osu.edu>
Subject: [Mvapich-discuss] GCC-11.1.0 Support?

When compiling mvapich-2.3.5 with GCC-11.1.0 on CentOS 7.9 I am seeing  the following error when compiling with these flags:
./configure --prefix=/opt/mvapich2-2.3.5 --with-device=ch3:nemesis:tcp --disable-fortran
make
...
make[2]: Entering directory `/root/mvapich2-2.3.5'
  CC       src/mpi/attr/lib_libmpi_la-attr_delete.lo
In file included from src/mpi/attr/attr_delete.c:8:
./src/include/mpiimpl.h:1632:1: error: size of array element is not a multiple of its alignment
1632 | extern MPID_Request MPID_Request_direct[];
      | ^~~~~~
./src/include/mpiimpl.h:1632:1: error: size of array element is not a multiple of its alignment
make[2]: *** [src/mpi/attr/lib_libmpi_la-attr_delete.lo] Error 1
make[2]: Leaving directory `/root/mvapich2-2.3.5'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/root/mvapich2-2.3.5'
make: *** [all] Error 2
...

Is this an issue of changes in GCC-11.1.0?

I am able to compile with GCC-10.3.0.

Sincerely,
[Description: LL]
Nicholas Clark
MIT Lincoln Laboratory
ISR and Tactical Systems Division
Embedded and Open Systems Group
Systems Administration
244 Wood St., S3-487
Lexington, MA 02421-6426
(O): 781-981-9342
nicholas.clark at ll.mit.edu<mailto:nicholas.clark at ll.mit.edu>

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