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Subject: Re: libmpi_cxx.dll.a missing
To: cygwin AT cygwin DOT com
References: <C6C4A713-424D-4A18-A201-1B642759E80E AT gmail DOT com> <e2e57b6b-6d76-75ce-79d6-c2acf0fe8c5e AT gmail DOT com> <08d4e3d4-3175-aabb-376f-09bc5b51ae97 AT dronecode DOT org DOT uk>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <e328a2e3-f94e-eb56-f1b4-41d3b0b1b325@gmail.com>
Date: Wed, 29 Aug 2018 15:05:25 +0200
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Am 29.08.2018 um 13:15 schrieb Jon Turney:
> On 28/08/2018 12:12, Marco Atzeri wrote:
>> Am 28.08.2018 um 11:24 schrieb Antonio Pio Rinaldi:
>>> Hello,
>>>

>>
>> The C++ interface was removed on the upstream version of OpenMPI.
>>
>> https://blogs.cisco.com/performance/the-mpi-c-bindings-what-happened-and-why
>>
>> The suggested solution is to use the C interface
>
> I believe OpenMPI now has a configuration option, --enable-mpi-cxx,
> which enables these deprecated interfaces to be built.
>
> I was going to ask you if not using that was a deliberate choice, since
> this also breaks a meson test case.
>

I was thinking to remove on next release

/usr/bin/mpic++ -> opal_wrapper.exe
/usr/bin/mpicxx -> opal_wrapper.exe

because clearly make no sense to have them when the C++
interface is not anymore present.

This is a upstream inconsistency

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