Fix cross-platform compilation using `distutils._msvccompiler.MSVCCom… #1

Job	Run time
ci_setuptools (3.10, ubuntu-latest)	3m 54s
collateral (diffcov)	48s
test (3.8, ubuntu-latest)	40s
collateral (docs)	27s
test_cygwin (39, windows-latest)	3m 43s
test (3.8, macos-latest)	1m 12s
test_msvc_python_mingw	2m 15s
test (3.8, windows-latest)	2m 22s
test (3.13, ubuntu-latest)	51s
test_msys2_mingw (mingw64, x86_64, gcc, g++)	1m 54s
test (3.13, macos-latest)	1m 1s
test_msys2_mingw (mingw32, i686, gcc, g++)	2m 10s
test (3.13, windows-latest)	3m 4s
test_msys2_mingw (ucrt64, ucrt-x86_64, gcc, g++)	1m 47s
test (3.9, ubuntu-latest)	42s
test_msys2_mingw (clang64, clang-x86_64, clang, clang++)	2m 20s
test (3.10, ubuntu-latest)	37s
test (3.11, ubuntu-latest)	45s
test (3.12, ubuntu-latest)	43s
test (3.14, ubuntu-latest)	56s
test (pypy3.10, ubuntu-latest)	1m 50s
check	8s
release	0s
	34m 9s

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