Fix sys.platform when cross-compiling with emscripten #14888
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wesleywright
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Apr 24, 2023
This is a workaround for correctly detecting the platform when building mypy with mypyc on the Emscripten platform. This fixes mypyc/mypy_mypyc-wheels#62. `pyodide build` overrides `sysconfig` for the host based on the target (confirmed on the pyodide matrix, [see also where the code is actually changed](https://github.com/pyodide/pyodide/blob/e835bf05ff4aa463024aaeb9689ae70ea5771314/pyodide-build/pyodide_build/pypabuild.py#L43-L50)). This should only change things when checking/building for the emscripten platform. There isn't really a cleaner workaround that I can think of unfortunately, the main issue is cross compiling is tricky with setuptools.
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This is a workaround for correctly detecting the platform when building mypy with mypyc on the Emscripten platform. This fixes mypyc/mypy_mypyc-wheels#62.
pyodide buildoverridessysconfigfor the host based on the target (confirmed on the pyodide matrix, see also where the code is actually changed).This should only change things when checking/building for the emscripten platform. There isn't really a cleaner workaround that I can think of unfortunately, the main issue is cross compiling is tricky with setuptools.