[Rock-dev] Need unset ROS_ROOT to compile rock elements

[Peter Soetens]

On Wed, Nov 21, 2012 at 11:04 AM, Sylvain Joyeux <sylvain.joyeux at dfki.de> wrote:
> On 11/21/2012 10:59 AM, Pierre Letier wrote:
>> Hello,
>>
>> When I want to compile a rock element (library, component,...) in e new
>> opened terminal, I receive the following error: you cannot build Rock
>> with ROS_ROOT / ROS_PATH set. Unset it and try again."
>>
>> I use then ünset ROS_ROOT" to allow compilation.
>>
>> Could you explain me this error and if there is something todo with the
>> ROS installation ?
> The build system used in the orocos packages "switches" to using
> rosbuild if ROS_ROOT is set and the package is in ROS_PACKAGE_PATH.
> Since it really caused issues before for rock users, we completely
> forbid the usage of ROS_ROOT while building Rock stuff.
>
> The recent changes in RTT plus recent changes in autoproj might improve
> this in the near future.
>
> Anyways, what you have to do is:
>    - not source ROS's setup.sh automatically, but manually when you want
> to use ROS, and do the same for Rock
>    - create a new console to work on either Rock or ROS

Sylvain is right. If you experience any further issues, please report it.

Peter