[ros-users] Compiling ROS with Ubuntu 11.04 (Natty)

[Markus Eich]

Hi Tully,


The patch was actually taken from opencv Ticket. I just modified it to 
work with the ROS build system. Maybe this slightly modified patch can 
be added to the /vision_opencv/opencv2 package with an updated Makefile?

Is there a way to check the Ubuntu Version somehow in the Makefile of 
the opencv stack? So that the patch is only applied if ubuntu version >= 
11.04?

Cheers,

Markus






On 04.05.2011 10:22, Tully Foote wrote:
> Hi Markus,
>
> I'm glad to hear things are working for you now.  I suggest that you 
> file a ticket on the opencv tracker to make sure this gets fixed for 
> everyone. https://code.ros.org/trac/opencv/wiki
>
> Tully
>
> On Wed, May 4, 2011 at 1:12 AM, Markus Eich <markus.eich at dfki.de 
> <mailto:markus.eich at dfki.de>> wrote:
>
>     I solved the issue.
>     Inorder to build ROS from source under Natty I just applied this
>     modified patch (copied it to the opencv2 folder) and added the line
>
>     SVN_PATCH = pythontest.patch v4l_2.6.38.patch
>
>     to the Makefile.
>
>     The Opencv package now builds with Natty (but i guess not with
>     older Ubuntu anymore ;-)
>
>     Make sure that libv4l-dev is installed.
>
>
>     Cheers,
>
>     Markus
>
>
>
>
>
>
>
>
>
>     On 03.05.2011 22:41, Markus Eich wrote:
>
>         Dear all,
>
>         I am facing a problem with compiling the ROS sources under Natty.
>
>         While building the opencv2 package, I got the following
>         linking error:
>
>
>         ==============================
>         Linking CXX static library
>         ../../lib/libopencv_haartraining_engine.a
>         [ 80%] Built target opencv_haartraining_engine
>         Scanning dependencies of target opencv_createsamples
>         [ 80%] Building CXX object
>         modules/haartraining/CMakeFiles/opencv_createsamples.dir/createsamples.o
>         Linking CXX executable ../../bin/opencv_createsamples
>         ../../lib/libopencv_highgui.so.2.2.0: undefined reference to
>         `cvCreateCameraCapture_V4L(int)'
>         collect2: ld returned 1 exit status
>         make[2]: *** [bin/opencv_createsamples] Fehler 1
>         make[1]: ***
>         [modules/haartraining/CMakeFiles/opencv_createsamples.dir/all]
>         Fehler 2
>         ==============================
>
>         It seems it has to do with the linking of V4L. I have the
>         lib4vl-dev
>         package installed.
>         According to my prior web search there seems to be the issue
>         that V4L
>         has moved out of the kernel source.
>
>         Do you have any clues?
>
>         Cheers,
>
>         Markus
>         _______________________________________________
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>
>
>     -- 
>     Dipl. Inf. Markus Eich
>     Researcher
>
>     DFKI Bremen
>     Robotics Innovation Center
>     Mary-Somerville-Str. 9
>     28359 Bremen, Germany
>
>     Phone: +49 (0)421 17845-4105 <tel:%2B49%20%280%29421%2017845-4105>
>     Fax: +49 (0)421 17845-4150 <tel:%2B49%20%280%29421%2017845-4150>
>     E-Mail: markus.eich at dfki.de <mailto:markus.eich at dfki.de>
>
>     Weitere Informationen: http://www.dfki.de/robotik
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>
>
> -- 
> Tully Foote
> Systems Engineer
> Willow Garage, Inc.
> tfoote at willowgarage.com <mailto:tfoote at willowgarage.com>
> (650) 475-2827
>
>
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-- 
Dipl. Inf. Markus Eich
Researcher

DFKI Bremen
Robotics Innovation Center
Mary-Somerville-Str. 9
28359 Bremen, Germany

Phone: +49 (0)421 17845-4105
Fax:   +49 (0)421 17845-4150
E-Mail: markus.eich at dfki.de

Weitere Informationen: http://www.dfki.de/robotik
-----------------------------------------------------------------------
Deutsches Forschungszentrum fuer Kuenstliche Intelligenz GmbH
Firmensitz: Trippstadter Straße 122, D-67663 Kaiserslautern
Geschaeftsfuehrung: Prof. Dr. Dr. h.c. mult. Wolfgang Wahlster
(Vorsitzender) Dr. Walter Olthoff
Vorsitzender des Aufsichtsrats: Prof. Dr. h.c. Hans A. Aukes
Amtsgericht Kaiserslautern, HRB 2313
Sitz der Gesellschaft: Kaiserslautern (HRB 2313)
USt-Id.Nr.:    DE 148646973
Steuernummer:  19/673/0060/3
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