Re: [ros-users] orocos_kdl failure on OSX

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@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@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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