MinGW vs MSVC

[galabovaa]

Trying to get started on the MinGW incompatibilities brought up by @amontoison

I had some occasional failures in the julia windows test that I thought may be related.

Since we are doing a patch release I thought I would get started on this, but I am really not sure what I am doing here or how to test it

@odow have you encountered issues in the mingw case?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.15%. Comparing base (9713e3d) to head (071fa7b).
⚠️ Report is 43 commits behind head on latest.

Additional details and impacted files

@@           Coverage Diff           @@
##           latest    #3115   +/-   ##
=======================================
  Coverage   73.15%   73.15%           
=======================================
  Files         430      430           
  Lines      103937   103937           
  Branches    16717    16717           
=======================================
  Hits        76039    76039           
  Misses      27622    27622           
  Partials      276      276           

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[odow]

Trying to get started on the MinGW incompatibilities brought up by

Where were they brought up?

@odow have you encountered issues in the mingw case?

Nope. The Julia builds run fine on Windows?

[amontoison]

We got an issue in the past when we wanted to link HiGHS in Uno.
The reason is that the .cmake files generated by HiGHS expected MSVC as compiler on Windows.

Oscar probably never encountered this problem because he never built a JLL with HiGHS_jll.jl as a dependency.
The dependent package also needs to rely on a CMake build system (which is the case for Uno).

[galabovaa]

Is there any chance you could give us an example to reproduce the issue?