Hi Georg,
before "Americans" wake up, let me try to help you out with this.
Did you install pcl from binaries and if yes, which version do you
have (output of "aptitude show ros-cturtle-point-cloud-perception"
command)?

D.
P.s.: Not too important, but we prefer way to discuss pcl related
issues over pcl-users@code.ros.org.

On Sun, Dec 26, 2010 at 12:02 PM, Georg von Wichert
<georg.wichert@gmx.de> wrote:
> Hi,
>
> there seems to be some issue with pcl_ros in cturtle: When trying to
> compile the latest ni stack there are several compile errors, the first
> actually being (compiling openni_camera):
>
> ~/ni/ni/openni/include/ni/XnCppWrapper.h:3933: warning:   when
> initialized here
> ~/ni/ni/openni/include/ni/XnCppWrapper.h: In member function ‘XnStatus
> xn::NodeInfo::GetInstance(xn::ProductionNode&) const’:
> ~/ni/ni/openni/include/ni/XnCppWrapper.h:4534: warning: unused variable
> ‘nRetVal’
> In file included from
> ~/ni/ni/openni_camera/src/openni_driver.cpp:46:  /opt/ros/cturtle/stacks/point_cloud_perception/pcl_ros/include/pcl_ros/point_cloud.h: In member function ‘void pcl::detail::FieldStreamer<Stream,PointT>::operator()()’:
>  /opt/ros/cturtle/stacks/point_cloud_perception/pcl_ros/include/pcl_ros/point_cloud.h:22: error: ‘stream’ was not declared in this scope
>
> Looking at the code I would agree :-)
>
> I tried to compare that to the latest SVN version, but there seems to
> have a major reorganization taken place, so I could not sort this out
> for cturtle.
>
> Best,
>
> Georg
>
>
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-- 
MSc. Dejan Pangercic
PhD Student/Researcher
Intelligent Autonomous Systems Group
Technische Universität München
Telephone: +49 (89) 289-26908
E-Mail: dejan.pangercic@cs.tum.edu
WWW: http://ias.cs.tum.edu/people/pangercic