If you want to use MSVC, you can pass the --vsenv command line argument to meson setup, see the meson-python documentation. It may be possible to force gcc to identify as an x64 compiler using the ...
EDIT 2: This is a problem with Python 3.12 as well. Currently, trying to install Augur in a Conda environment with Python 3.11 pinned does not work. % micromamba ...