[ros-users] orocos_kdl failure on OSX

[Kevin Walchko]

Thanks. To honest, I am never really sure where to go to look up bugs, that is why I always post what I find here so people can correct me.

At least Auburn is finally up over Utah … you'll just have to hold on for 1 more quarter. :)


On Sep 3, 2011, at 2:13 PM, William Woodall wrote:

> Anytime, you guys should do a quick search on the bug trackers when you hit an issue, I have tried to put tickets up for all the non-homebrew specific problems I've solved so far on OS X.  I have patches all the way up to rviz.  I still need to put patches up for rviz, but I was holding off because there are still issues and some of it is a bit hack-ish.
> 
> Also, if you don't see something on a bug tracker, I might have a non-ticketed fix in the stack level patches on my github, so check there too.
> 
> https://github.com/wjwwood/ros-osx/tree/master/electric-lion-homebrew/patches
> 
> --
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> William Woodall
> Graduate Software Engineering
> Auburn University
> w at auburn.edu
> wjwwood at gmail.com
> williamjwoodall.com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> 
> 
> On Sat, Sep 3, 2011 at 1:10 PM, Kevin Walchko <kevin.walchko at gmail.com> wrote:
> Thanks!! I was able to build the entire orocos_kinematics_dynamics stack using your patch in ticket #4.
> 
> 
> 
> On Sep 3, 2011, at 2:06 PM, Nicholas Butko wrote:
> 
> > In the port install log, you will see the correct checksum. You can manually update the Portfile with the new checksum.
> >
> >
> >
> > On Sep 3, 2011, at 10:49 AM, Kevin Walchko <kevin.walchko at gmail.com> wrote:
> >
> >> I am working on it right now …
> >>
> >> My problem is python_orocos_kdl is looking for eigen and I can't load it from macports due to a checksum miss match. Googling around, it appears that author likes to do stealth updates and I can't seem to figure out how to force macports to install eigen. Did you have this problem?
> >>
> >> On Sep 3, 2011, at 1:45 PM, Nicholas Butko wrote:
> >>
> >>> Kevin, can you build python_orocos_kdl? I fixed the cmake problems with orocos_kdl, similar to you, but I get a ton of undefined symbol link errors for the python version, which prevents many stacks from building. It is a huge point of failure for me right now.
> >>>
> >>>
> >>>
> >>> On Sep 3, 2011, at 10:22 AM, Kevin Walchko <kevin.walchko at gmail.com> wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> [setup]
> >>>>
> >>>> ROS Electric
> >>>> OSX Lion with Macports
> >>>>
> >>>> [Problem]
> >>>>
> >>>> Eigen3.cmake couldn't find eigen3
> >>>>
> >>>> [Solution]
> >>>>
> >>>> Instead of using the included cmake files in orocos_kdl/config/Eigen3.cmake I changed CMakeLists.txt to use pkg-config which macports automatically sets up for OSX. Don't know if Linux does this too.
> >>>>
> >>>> CMakeLists.txt:
> >>>> include($ENV{ROS_ROOT}/core/rosbuild/FindPkgConfig.cmake)
> >>>> pkg_check_modules(EIGEN3 REQUIRED eigen3)
> >>>> include_directories(${EIGEN3_INCLUDE_DIRS})
> >>>> #INCLUDE(${PROJ_SOURCE_DIR}/config/FindEigen3.cmake)
> >>>> #INCLUDE_DIRECTORIES(${EIGEN3_INCLUDE_DIR})
> >>>>
> >>>>
> >>>> Not sure why the pkg-config wasn't used in the first place, it seems to work nice.
> >>>>
> >>>> The included Eigen3.cmake appears to be too limited in where it looks, at least for OSX. Could add /opt/local/include/eigen3 but didn't try.
> >>>>
> >>>> config/Eigen3.cmake:
> >>>> FIND_PATH(EIGEN3_INCLUDE_DIR Eigen/Core /usr/include /usr/include/eigen3)
> >>>>
> >>>> Thanks.
> >>>>
> >>>> Kevin
> >>>>
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