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Compile test linuxcnc on kernel :

Linux debian 5.10.0-4-rt-amd64 #1 SMP PREEMPT_RT Debian 5.10.19-1 (2021-03-02) x86_64 GNU/Linux

For Linuxcnc we need the buster repository on top of the bullseye & sid repository :

echo "deb http://deb.debian.org/debian buster main contrib non-free" >> /etc/apt/sources.list 
echo "deb-src http://deb.debian.org/debian buster main contrib non-free" >> /etc/apt/sources.list
echo "deb http://security.debian.org/debian-security buster/updates main contrib" >> /etc/apt/sources.list 
echo "deb-src http://security.debian.org/debian-security buster/updates main contrib" >> /etc/apt/sources.list 
apt-get update

Dependencies for Linuxcnc also a few extra.

sudo apt-get install dctrl-tools dkms linux-headers-$(uname -r)\
mercurial mercurial-common quilt live-build autoconf cmake make gcc geany build-essential \
debhelper libudev-dev tcl8.6-dev tk8.6-dev libtk-img bwidget tclx8.4 \
asciidoc dblatex docbook-xsl dvipng ghostscript graphviz groff imagemagick inkscape \
source-highlight w3c-linkchecker xsltproc texlive-extra-utils texlive-font-utils texlive-fonts-recommended \
texlive-lang-cyrillic texlive-lang-french texlive-lang-german texlive-lang-polish texlive-lang-spanish \
python-tk libxmu-dev libgtk2.0-dev gettext intltool libboost-python-dev libmodbus-dev libusb-1.0-0-dev psmisc \
source-highlight w3c-linkchecker texlive-font-utils texlive-lang-cyrillic \
texlive-lang-french texlive-lang-german texlive-lang-polish texlive-lang-spanish libglu1-mesa-dev \
libgl1-mesa-dev libgtk2.0-dev intltool libboost-python-dev libmodbus-dev libusb-1.0-0-dev psmisc \
python-gtk2 python-is-python2 python-dev-is-python2 python-yapps python3-yapps libncurses-dev ncurses-doc \
libboost-all-dev python3-tk libeigen3-dev deepin-calculator \
librecad git pciutils yapps2 libreadline-gplv2-dev  

/linuxcnc/dpkg-checkbuilddeps # Satisfy the existing dpkg package builder depend list.

Install and compile linuxcnc from source :

git clone https://github.com/LinuxCNC/linuxcnc /opt/linuxcnc
cd opt/linuxcnc

# version 2.8 did not compile ok on kernels > 5.0.0
# git checkout 2.8 # Go for the stable release.

# This is a post install script.

cd /opt/linuxcnc/debian/ && ./configure uspace
cd /opt/linuxcnc/src/ && ./autogen.sh && ./configure --with-python=python3 --with-boost-python=boost_python39 && make && sudo make setuid

# solve sudo set setuid problems in the makefile.
chmod 777 /opt/linuxcnc/bin/rtapi_app
chmod 777 /opt/linuxcnc/bin/linuxcnc_module_helper


# Optional if boost::python is unknown :

	sudo ldconfig -p | grep boost_python
	# Gives me back :
	libboost_python39.so.1.74.0 (libc6,x86-64) => /lib/x86_64-linux-gnu/libboost_python39.so.1.74.0
	libboost_python39.so (libc6,x86-64) => /lib/x86_64-linux-gnu/libboost_python39.so

	./configure --with-python=python3 --with-boost-python=boost_python39 
	

# Optional if you have done previous make attempts : make clean
make -j2 # Build with 2 processors
sudo make setuid # Allow to run on real hardware

Runtest :

$ cd /opt/linuxcnc/scripts && . ./rip-environment && linuxcnc

Install linuxcnc .deb package :

sudo dpkg -i linuxcnc.deb

Remove linuxcnc deb install :

sudo apt-get remove linuxcnc && sudo rm -rf /opt/linuxcnc

Todo :

create a Doxygen documentation