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From: Antonio Pio Rinaldi <antoniopio DOT rinaldi AT gmail DOT com>
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Subject: libmpi_cxx.dll.a missing
Message-Id: <C6C4A713-424D-4A18-A201-1B642759E80E@gmail.com>
Date: Tue, 28 Aug 2018 11:24:43 +0200
To: cygwin AT cygwin DOT com
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Hello,

while trying to compile a code with cmake (GNU compiler 7.4 and cmake 3.6, latest cygwin), I got an error regarding mpicxx not being able to locate the library -lmpi_cxx.
This was kind of weird, as I had installed the same code in another machine some time ago (with GNU compiler 6.4 and cmake 3.3, cygwin version 2.8) and did not have this issue.

Then by navigating to the cygwin lib folder, I noticed that the file libmpi_cxx.dll.a was missing in the latest version (although the package Libs/libopenmpicxx1 seems to be installed).

After copying the library file from the previous version I am able to correctly install my code.

I am not sure whether this is a bug, or if I have to set up something else to let cygwin install the mpicxx library.

Regards,
Antonio Pio Rinaldi
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