Hello,

I think you'll get much better/faster responses to this type of question at answers.ros.org

-Tim

On Apr 7, 2014 12:25 PM, "Sudarshan Srinivasan" <sudarshan85@gmail.com> wrote:

Hi all,

Sorry if this has been asked earlier, but as far as I have searched I cannot find a solution to my problem. I am running ROS Groovy on Ubuntu 12.04. 

I would like to install ros-groovy-visp (please note there is also ros-groovy-vision-visp but this does not install everything that I need, e.g. it does not install visp_auto_tracker and manually trying to install it didn't work). However, when I try to install ros-groovy-visp I get the following error:

(sudarshan)$ sudo apt-get install ros-groovy-visp

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:

The following packages have unmet dependencies:

 ros-hydro-visp : Depends: libfreenect0.0 but it is not going to be installed

E: Unable to correct problems, you have held broken packages.

So, I try to install libfreenect0.0, which ends up removing libfreenect libfreenect-demos and libfreenect-dev:

 

(sudarshan)$ sudo apt-get install libfreenect0.0

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following packages will be REMOVED:

  libfreenect libfreenect-demos libfreenect-dev

The following NEW packages will be installed:

  libfreenect0.0

0 upgraded, 1 newly installed, 3 to remove and 0 not upgraded.

Need to get 0 B/27.5 kB of archives.

After this operation, 209 kB disk space will be freed.

Do you want to continue [Y/n]? y

(Reading database ... 426205 files and directories currently installed.)

Removing libfreenect-demos ...

Removing libfreenect-dev ...

Removing libfreenect ...

Processing triggers for libc-bin ...

ldconfig deferred processing now taking place

Selecting previously unselected package libfreenect0.0.

(Reading database ... 426178 files and directories currently installed.)

Unpacking libfreenect0.0 (from .../libfreenect0.0_1%3a0.0.1+20101211+2-3_i386.deb) ...

Setting up libfreenect0.0 (1:0.0.1+20101211+2-3) ...

But on trying to install ros-grooy-visp now, it fails citing unmet dependency since libfreenect-dev is not installed:

(sudarshan)$ sudo apt-get install libfreenect0.0

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Some packages could not be installed. This may mean that you have

requested an impossible situation or if you are using the unstable

distribution that some required packages have not yet been created

or been moved out of Incoming.

The following information may help to resolve the situation:

The following packages have unmet dependencies:

 ros-groovy-visp : Depends: libfreenect-dev but it is not going to be installed

E: Unable to correct problems, you have held broken packages.

Obviously, installing libfreenect-dev removes libfreenect0.0. I have been struggling to solve this conflict for a while, if anyone has any suggestion to fix this, I would be very grateful. Please let me know if you need any more information.

Thanks. 

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