On 2017-6-12 02:52 , Ken Cunningham wrote:
Did this Very Big Problem with Wine64 on MacOS actually get fixed?

K

https://www.winehq.org/pipermail/wine-devel/2014-February/103074.html


I don’t know the exact details myself (Ken is the expert), but the answer is 
that it does not work, and probably never will. OSX has a ABI incompatibility 
with Win64 - OSX overwrites a CPU register that Win64 applications expect to 
remain untouched. Apple can’t change the ABI because there are already 64 bit 
OSX apps that expect things to work that way. A potential workaround may be to 
run Wine inside a CPU emulator like qemu, but that is anything but easy.
K

Apparently so. <https://www.winehq.org/announce/2.0>

"64-bit applications are supported on macOS."

- Josh

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