print[Info|Error] ignores setting of stdout/stderr when spdlog is enabled at compile time

[cwsmith]

The branch here
https://github.com/SCOREC/pcms/compare/cws/testPrint?expand=1
demonstrates a use case I was hoping printInfo would support for debugging. Specifically, I wanted to create one file per rank and have each rank's calls to printInfo(...) write to that file.

After some digging, I found that when spdlog is enabled, this line

pcms/src/pcms/print.h

Line 40 in bae226d

spdlog::info("{}", fmt::sprintf(fmt, args...));

ignores what the user set stdout (and likewise for stderr) and writes using spdlog.

This isn't exactly a bug, but it is unexpected behavior. Ideally, I'd like support for the debugging use case described above and should only require some minor changes.

[jacobmerson]

I'm wondering if maintaining the spdlog code is just technical debt at this point (my mistake at the time to suggest it).

The ability to use std::print style outputs is nice, but we have to work around that anyway because of the GPU code.