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    Hi,<br>
    Please use the mailing list. You can manually add -fPIC in
    CMAKE_C_FLAGS and CMAKE_CXX_FLAGS to both ITK and RTK compilations.<br>
    No, the ITK GPU option is not required.<br>
    Simon<br>
    <br>
    <div class="moz-cite-prefix">On 14/12/2015 05:17, varghese alex
      wrote:<br>
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cite="mid:CAPBnh8wKuDPimjkZreWgKMm_gZtTTQnO06u3qYfkFz0MVHJ61g@mail.gmail.com"
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                  <div>Hi Simon;<br>
                    <br>
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                  I have been trying to install openRTK for the past one
                  week with very little success. I tried the steps given
                  in  <a moz-do-not-send="true"
                    href="http://wiki.openrtk.org/index.php/Main_Page">http://wiki.openrtk.org/index.php/Main_Page</a>.<br>
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                I did'nt have any issues <br>
                installing ITK, however while installing RTK, I
                encountered the following error.<br>
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                 <b>/usr/bin/ld:
                  /home/ayush/ITK-bin/lib/libitksys-4.5.a(SystemTools.cxx.o):
                  relocation R_X86_64_32S against
                  `std::basic_string<char,
                  std::char_traits<char>,
                  std::allocator<char>
                  >::_Rep::_S_empty_rep_storage' can not be used when
                  making a shared object; recompile with -fPIC<br>
                  /home/ayush/ITK-bin/lib/libitksys-4.5.a: could not
                  read symbols: Bad value<br>
                  collect2: ld returned 1 exit status<br>
                  make[2]: *** [bin/libRTK.so] Error 1<br>
                  make[1]: *** [code/CMakeFiles/RTK.dir/all] Error 2<br>
                  make: *** [all] Error</b><br>
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              The webpage asks the users to set <b> CMAKE_BUILD_TYPE  as
                Release</b>, but I don't see any option. I am attaching
              a screenshot of the same. I should say that while
              installing ITK, I had an option of selecting  "<b>CMAKE_BUILD_TYPE</b>"<br>
              <br>
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            <b>### Using GPU for RTK;<br>
            </b><br>
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          Should the option "itkgpu" be switched on [Default -OFF] if I
          need to run any of my RTK programs on GPU.<br>
          <br>
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        <div>Hope you can help me successfully installing RTK soon.<br>
          <br>
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        <div>Thanks in advance for the help<br>
          <br>
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        <div>Regards<br>
          <br>
        </div>
        <div>Varghese Alex<br>
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        <div>Ph. D scholar<br>
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        <div>IIT Madras ,Chennai<br>
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        <div>India<br>
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