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Relax patch for linux??

Posted by Søren Kuula on January 21, 2012 at 2:36am

Hi,

Looking in the ArduCopter source, I see

Requires modified "mrelax" version of Arduino, which can be found here:
http://code.google.com/p/ardupilot-mega/downloads/list

Hmmm nice but I have a Linux machine. Is there a relax patch for that?

I have tried to find out myself :) but no solution. I don't know Arduino so well (although I have programmed AVRs bare metal style for years), so I will ask you people for advice...

Kind regards

Soren

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Replies

  • Jonathan Challinger June 7, 2012 at 9:56pm

    On ubuntu:

    Get the relax patch: http://code.google.com/p/arduino/issues/attachmentText?id=729&a...

    mkdir arduino

    cd arduino

    apt-get source arduino

    apt-get build-dep arduino

    sudo apt-get install checkinstall build-essential automake debhelper fakeroot

    cd ardu*

    patch -p1 < 0001-Compiler.java-link-stage-Add-relax-option-when-compi.patch

    dpkg-buildpackage -rfakeroot -b

    sudo dpkg -i ../ardu*.deb

  • Aaron Curtis April 26, 2012 at 9:56am

    Looks like the relax patch has been committed to Arduino trunk and will be included in Arduino 1.0.1 . In the meantime, there is enough information here to compile your own patched Arduino.

  • Søren Kuula January 21, 2012 at 4:33am

    Hi,

    Hmm actually it compiles OK without the relax patch - meaning, I do not get any error messages when I compile:

    Done compiling


    Binary sketch size: 136870 bytes (of a 258048 byte maximum)

    So unless the compiler error (the thing with the unpatched arduino not being able to handle code of this size) is a silent thing that generates no error messages but useless code, I will just stick with the system as is. It is 0022 alpha.

    Regards

    Soren

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