Fix macOS X ppc boot on qemu ubuntu:
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Mac OS X 10.0 will take an forever to boot. This is due to the version of qemu in ubuntu 20.04 being not quality compared to the windows and linux git versions.
If you still want qemu in ubuntu (with out having to go to windows). completely uninstall qemu (including openbios) from ubuntu ppa then install qemu through git by:

cd Downloads
git clone https://gitlab.com/qemu-project/qemu.git
cd qemu
git submodule init
git submodule update --recursive
./configure
make -j 4
sudo make install
*exit terminal and restart it.

Unfortunately, this version of qemu does not have gui (only vnc). So you will need the KRDC program and open vnc connection of: vnc://localhost:5900 to see mac os gui.

*Also mac os x cant see qcow2 for some reason, you need vmdk disk to install on.

Sources:
https://www.qemu.org/download/
https://www.quora.com/How-could-I-connect-to-a-VNC-server-running-on-1-5900?share=1
Date: February 28th 2022