Compile Linux Kernel ,RTAI and LinuxCNC from Source Code

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26 May 2021 08:21 #210317 by andypugh
Have a look at RTAI/src.math/README.KLIBM

Depending on the version you are using it might not need any config.

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26 May 2021 08:24 #210318 by andypugh
If you are using the source from RTAI then it is a config option:



But if you are using the NTULINUX version it is (I think) built in.
Attachments:

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26 May 2021 11:44 #210333 by Arthur_L
yes! I using the NTULINUX version. I don't know why?

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26 May 2021 11:56 #210334 by andypugh
The NTULINUX version is better-integrated with LinuxCNC. I would stick with it.
But you might need to install musl (and maybe musl-dev)
packages.debian.org/source/buster/musl

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27 May 2021 00:59 #210415 by Arthur_L
Do I need to install musl (and maybe musl-dev)
packages? debian.org/source/buster/musl
This is the option that needs to be set when compiling RTAI? After I make menuconfig, there is no function library set in it. Which option is it?

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27 May 2021 21:54 #210474 by andypugh
I think that you should just need to install musl and musl-dev
(sudo apt-get install musl musl-dev)

That might make the error message go away. Or you might need to recompile RTAI.

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