Carrefour numérique² - fablab

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====== Linux CNC ======


Logiciel libre de pilotage de CNC

La CNC du carrefour numérique étant pilotée par GRBL, linux VNV n'est pas utile. Néanmoins, la partie simulation du logiciel permet de visualiser/simuler le GCode.

===== installation de linux CNC en "simulateur" =====

http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Build_A_Simulator_Manually

<code>
Preparation
Install git.

 sudo apt-get install git

Intall dpkg-dev.

 sudo apt-get install dpkg-dev

Make a directory, for example git, in your favourite location.

 mkdir git

Go into the git directory and get a copy of the LinuxCNC source.

 cd git
 git clone git://git.linuxcnc.org/git/linuxcnc.git linuxcnc

Dependencies
Go to the debian folder and configure

 cd linuxcnc/debian
 ./configure sim

Go back to the linuxcnc folder and check dependencies

 cd ..
 dpkg-checkbuilddeps

Which will output something similar to:

 dpkg-checkbuilddeps: Unmet dependencies: debhe...

Now the dependency check threw a number of missing artifacts, install them all with apt-get.

Editor's note 1: These are the packages I had to install to get it running. This list is illustrative but dependencies may well differ for your installation---it's best explicitly to check them as shown above.

 sudo apt-get install libpth-dev dvipng tcl-dev tk-dev tcl8.4-dev tk8.4-dev bwidget libxaw7-dev libncurses-dev libreadline-dev asciidoc source-highlight dblatex groff python-dev python-tk python-lxml libglu1-mesa-dev libgl1-mesa-dev libgl1-mesa-swx11-dev libgtk2.0-dev libgnomeprintui2.2-dev autoconf libboost-python-dev texlive-lang-cyrillic

Editor's note 2: There can only be one libgl development package installed at the time. If there are any conflicts, remove (purge) the installed package and retry.

Editor's note 3: The apt-get install command above is almost working as is in a Ubuntu 12.04 as well. The libgl1-mesa-dev is provided in other packages, but apt-get will hint which one to install get it running. Install that package separately, remove libgl1-mesa-dev from the long install command and go for it. Please note that the extra packages needed might differ for your machine, depending on your setup and hardware.

Here's an example of a command that worked on 12.04:

sudo apt-get install libpth-dev dvipng tcl-dev tk-dev tcl8.4-dev tk8.4-dev bwidget libxaw7-dev libncurses-dev libreadline-dev asciidoc source-highlight dblatex groff python-dev python-tk python-lxml libglu1-mesa-dev libgl1-mesa-swx11-dev libgtk2.0-dev libgnomeprintui2.2-dev autoconf libboost-python-dev texlive-lang-cyrillic texlive-lang-french texlive-lang-german texlive-lang-spanish texlive-lang-polish libmodbus-dev python-support

When the command dpkg-checkbuilddeps returns silent you can go to next step.
Configure and compile
The tcl8.4 and tk8.4 packages are only needed to get the dependencies check working, they will conflict with the configure. Remove them again.

 sudo apt-get purge tcl8.4-dev tk8.4-dev

Now it's finally time to compile linuxcnc

 cd src
 ./autogen.sh
 ./configure --enable-simulator
 make

Add following to your path (such as .profile)

 export PATH=$PATH:[path to the linuxcnc dir]/linuxcnc/scripts/rip-environment

Linuxcnc can now be started with the command

 . scripts/linuxcnc

Don't forget to use a simulator configuration (sim tree in the config selector). 
</code>
Carrefour numérique² - fablab

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