Manjaro + LinuxCNC?

I followed the docs in linuxcnc.org/docs/devel/html/code/building-linuxcnc.html
After successful cloning and ./autogen.sh, -/configure shows following error:
..
.....
checking version of python libraries... python3.7m
checking match between tk and Tkinter versions... 8.6
checking location of Python header files... /usr/include/python3.7m
checking for Python headers... -I/usr/include/python3.7m
checking for Python libraries... -lcrypt -lpthread -ldl -lutil
checking whether the Boost::Python headers are available... yes
checking for boost::python shared library...
configure: error: boost::python is required to build LinuxCNC

However, boost is installed:
sudo pacman -S boost
warning: boost-1.69.0-2 is up to date -- reinstalling
...
Still the same error;
checking for boost::python shared library...
configure: error: boost::python is required to build LinuxCNC

I can't find any package in any Arch Linux repository (core, extra community AUR...) named boost::python.
?

IRC it should be
Libboost-python

IRC it should be
Libboost-python
??

There is boost and boost-libs. Both are installed. There is no such package called "libboost-python" in Arch Linux / Manjaro standard repos nor in AUR

Linuxcnc-sim installs like charm with AUR just like in the above video.
Linuxcnc (without sim) does not. This is when the error accurs:
==> Retrieving sources...
==> ERROR: /home/user/pamac-build/linuxcnc/ is not a clone of git://github.com/LinuxCNC/linuxcnc.git
Aborting...

Maybe there is some error somewhere in the AUR PKGBUILD or something just missing.

sage wrote: IRC it should be
Libboost-python
??

There is boost and boost-libs. Both are installed. There is no such package called "libboost-python" in Arch Linux / Manjaro standard repos nor in AUR

That is the naming in Debian/Ubuntu/Mint, but aparently it's different in Arch.
Have not used Arch for a long time, but i did try Manjaro a while back, it is quite fast compared to Mint, but lacked some of the stuff i use a lot and since i am always pressed for time, i left it at that. Might have a look again soon.

I always used xubuntu in the past. But then, some applications stopped working as a native install like GIMP. The only way to install the latest Versions were using flatpak (Docker). This was the time I said good by to ubuntu started to use Manjaro.

Anyways, I guess linuxcnc just won't install on Manjaro. O'well.
In the archlinux user repo, the same errors are described as I have:
aur.archlinux.org/packages/linuxcnc/

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It does not compile:
ERROR: /home/user/.cache/yay/linuxcnc/ is not a clone of git://github.com/LinuxCNC/linuxcnc.git

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OK... so I will just get a dedicated PC then and install the debian weezy based linuxcnc iso. Thanks for all your help.