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Improve MSYS2-based CI builds. - #14188
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Install the mingw variant of Python since it behaves more like a 'real' Windows CPython than the msys2 variant: os.name == 'nt', not 'posix'. Note that os.sep is still '/' though so we don't actually need to skip the import_file test. This way one single Python version can be used both for running run-tests.py and getting the expected test output. Signed-off-by: stijn <[email protected]>
Signed-off-by: stijn <[email protected]>
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Thanks for the patch, this is a nice clean up / improvement.
I agree the RDP instructions are useful. Maybe we can add them in the wiki here on github? |
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This builds on #10263, fixing a mistake I once made when writing the MSYS2 installation instructions: the correct (well, for what we need) package to install for Python on MSYS2 is
<mingwprefix>-python3not plainpython3. This way one single Python version can be used both for running run-tests.py and getting the expected test output.Note these days MSYS2 also has an 'ucrt64' environment which apparently has a bunch of floating point related fixes we've sort of long been waiting for, but it's unclear to me if
mingw64is going to be deprecated so I only added a comment about that.@dlech FYI
Now, I only figured this out after RDP-ing into the action runner because I didn't notice at first that the way I setup my local MSYS2 environment used different instructions from the one in windows/README.md. However the process to RDP into a github action runner mentioned in #10263 does not work anymore since that repository has been disabled due to a violation of GitHub's terms of service. I skimmed over those terms but really have no idea which terms exactly.. @dpgeorge these instructions can be pretty useful imo, and the basic principle is simple enough and there are multiple solutions to implement it, but I have no idea if I can post them here and/or include them in the docs somewhere - what do you think?