readme: Recommend installing python3 instead of python2

Nowadays msys2 provides python 3.8 in the python3 package, so the
previous bug regarding running subprocesses in python3 is fixed.
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Martin Storsjö committed 2019-12-09 23:40:39 +02:00
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@@ -61,12 +61,7 @@ Building in MSYS2
To build in MSYS2, install the following set of packages with `pacman -S`:
git subversion mingw-w64-x86_64-gcc mingw-w64-x86_64-ninja mingw-w64-x86_64-cmake make mingw-w64-x86_64-python2
Do note that this installs python2, not python3. python3 on windows
seems to have a bug in running subprocesses the way it's done by a
script in libcxx, a bug that only seems to be
[fixed in python 3.8](https://github.com/python/cpython/commit/9e3c4526394856d6376eed4968d27d53e1d69b7d).
git subversion mingw-w64-x86_64-gcc mingw-w64-x86_64-ninja mingw-w64-x86_64-cmake make mingw-w64-x86_64-python3
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