[petsc-users] Issue when installing PETSc

[Nils Tilton]

Dear PETSc Team,

I hope this email finds you all well. I have a question regarding installation of PETSc. I recently installed PETSc on Ubuntu 20.04.2 LTS. I followed the online instructions, whereby I first downloaded the files using git, and then ran “./configure” and then “make all check.” However, I noted two issues during this process. First, after running ./configure, I got the following text:

“Language used to compile PETSc: C”

This gave me the impression PETSc was compiled with C, but my code is written in C++. Is the above going to be an issue? I am attaching my configure.log and make.log files if that helps.

The second issue is that when I ran “make all check,” I did get some errors in the final checking stage. These don’t appear in the make.log file, so I am attaching a screenshot. I seem to recall that screenshots are frowned upon when asking questions to the PETSc team. I apologize in advance. I just couldn’t find any other way to save the text.

I will add that I was able to successfully compile my C++ code that uses PETSc, but I am getting some funny behavior that could be related to the issues above. I am holding off on including those issues here to avoid complicating my question too soon.

Thank you very much for all your help!
Best Wishes,
Nils

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