<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Anna,</div><div><br></div><div>Ubuntu 12.04 is the oldest distribution supported by rock which is shipped with OpenCV-2.3.1 Therefore the external/opencv should not be built if you are using at least 12.04. Nevertheless rock's external/opencv should be updated.&nbsp;Could you please open a ticked for this.&nbsp;</div><div><br></div><div>If someone is updating external/opencv I would suggest to use OpenCV-2.4.5 which is the OpenCV version of 13.10 and compatible to the opencv ruby binding&nbsp;<a href="https://rubygems.org/gems/ropencv/">https://rubygems.org/gems/ropencv/</a></div><div><br></div><div>Greets Alex</div><div><br></div><br><div><div>Am 05.09.2013 um 09:13 schrieb Matthias Goldhoorn &lt;<a href="mailto:matthias.goldhoorn@dfki.de">matthias.goldhoorn@dfki.de</a>&gt;:</div><br class="Apple-interchange-newline"><blockquote type="cite">
  
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    So why you are using opencv as a external dependency?.<br>
    <br>
    It's a long time ago rock uses the external opencv version, standard
    should be the system dependency...<br>
    <br>
    Matthias<br>
    <br>
    P.S. some additional infos woud be great:<br>
    <br>
    Operating System including version<br>
    rock-flavor<br>
    last-update of rock<br>
    <br>
    <br>
    On 05.09.2013 08:31, Jakob Schwendner wrote:
    <blockquote cite="mid:1001471105.6002.1378362674931.JavaMail.open-xchange@ox6.dfki.de" type="cite">
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      <div> &nbsp; </div>
      <div> <br>
        ---------- Original Message ---------- <br>
        From: Anna Born <a class="moz-txt-link-rfc2396E" href="mailto:anna.born@dfki.de">&lt;anna.born@dfki.de&gt;</a> <br>
        To: <a class="moz-txt-link-abbreviated" href="mailto:ric-spacebot@dfki.de">ric-spacebot@dfki.de</a> <br>
        Date: September 4, 2013 at 6:45 PM <br>
        Subject: Re: [Ric-spacebot] image_processing/frame_helper failed
        to build <br>
        Hi, <br>
        <br>
        I had the problem to compile image_processing/frame_helper with
        the <br>
        OpenCV 2.3.0, that have been installed by rock as an external
        source <br>
        package. (url: <br>
        <a class="moz-txt-link-freetext" href="http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/2.3/OpenCV-2.3.0.tar.bz2">http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/2.3/OpenCV-2.3.0.tar.bz2</a>).
        <br>
        <br>
        <br>
        The problem is in cpp-constants COLOR_XXX2XXX, that have been
        added <br>
        since OpenCV 2.3.1. <br>
        <br>
        /home/linki/DFKI/ROCK/image_processing/frame_helper/src/FrameHelper.cpp:
        <br>
        In member function ‘void
        frame_helper::FrameHelper::convertColor(const <br>
        base::samples::frame::Frame&amp;,
        base::samples::frame::Frame&amp;)’: <br>
        /home/linki/DFKI/ROCK/image_processing/frame_helper/src/FrameHelper.cpp:363:48:
        <br>
        error: ‘COLOR_BGR2RGB’ is not a member of ‘cv’ <br>
        /home/linki/DFKI/ROCK/image_processing/frame_helper/src/FrameHelper.cpp:372:48:
        <br>
        error: ‘COLOR_BGR2GRAY’ is not a member of ‘cv’ <br>
        /home/linki/DFKI/ROCK/image_processing/frame_helper/src/FrameHelper.cpp:414:48:
        <br>
        error: ‘COLOR_RGB2BGR’ is not a member of ‘cv’ <br>
        /home/linki/DFKI/ROCK/image_processing/frame_helper/src/FrameHelper.cpp:564:84:
        <br>
        error: ‘COLOR_RGB2BGR’ is not a member of ‘cv’ <br>
        <br>
        With best regards, <br>
        Anna <br>
        <br>
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</pre>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
 Dipl.-Inf. Matthias Goldhoorn 
 Space and Underwater Robotic

 Universität Bremen
 FB 3 - Mathematik und Informatik
 AG Robotik
 Robert-Hooke-Straße 5
 28359 Bremen, Germany

 Tel.:     +49 421 178 45-4193
 Zentrale: +49 421 178 45-6550
 Fax:      +49 421 178 45-4150
 E-Mail:   <a class="moz-txt-link-abbreviated" href="mailto:matthias.goldhoorn@uni-bremen.de">matthias.goldhoorn@uni-bremen.de</a>

 Weitere Informationen: <a class="moz-txt-link-freetext" href="http://www.informatik.uni-bremen.de/robotik">http://www.informatik.uni-bremen.de/robotik</a></pre>
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