diy2 @2.0.0_0+gcc9+openmpi: Fails to compile

[lazersos (Samuel Lazerson)]

When I try to install the port (port install diy2 +gcc9 +openmpi) I get a failure

> install diy2 +gcc9 +openmpi
--->  Computing dependencies for diy2
--->  Fetching archive for diy2
--->  Attempting to fetch diy2-2.0.0_0+gcc9+openmpi.darwin_19.noarch.tbz2 from https://packages.macports.org/diy2
--->  Attempting to fetch diy2-2.0.0_0+gcc9+openmpi.darwin_19.noarch.tbz2 from http://nue.de.packages.macports.org/diy2
--->  Attempting to fetch diy2-2.0.0_0+gcc9+openmpi.darwin_19.noarch.tbz2 from http://lil.fr.packages.macports.org/diy2
--->  Building diy2
Error: Failed to build diy2: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_diy2/diy2/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port diy2 failed

[lazersos (Samuel Lazerson)]

Log of build for diy2 +gcc9 +openmpi

[lazersos (Samuel Lazerson)]

Assigned to port maintainer.

[MarcusCalhoun-Lopez (Marcus Calhoun-Lopez)]

diy2 is a legacy port.
Apparently, at the time of its release, C++11 support had not quite been worked out.
Clang still defaults to C++98, so this issue has not show up.

[MarcusCalhoun-Lopez (Marcus Calhoun-Lopez)]

In f1e30ea27ffa069acc7abb4ac0b1413243a34b60/macports-ports (master):

diy2: ensure C++98 is used

diy2 is a legacy port.
When it was released, C++11 support had not quite been worked out.

Fixes #60589