can't find packages

asked 2011-08-24 23:56:20 -0500

Sergey
1 ●1 ●1 ●2

updated 2014-01-28 17:10:17 -0500

ngrennan
1 ●1 ●1

I'm new to ROS. I got a project from previous developer and now i'm trying to compile it. the project uses several dependent packages (such as eigen, tf etc.) but it can't find any of them.

I installed ROS according to instructions and I can find these packages in /opt/ros/diamondback/stacks, but when I try to call rosmake or rosdep to any of them it fails to find them.

as I understood it searches in /home/username/.ros/rosmake/ when i call rosmake, which of course isn't correct. Where should I change it?

this is how it reacts to rosmake:

sergey@ubuntu:/opt/ros/diamondback/stacks/geometry$rosmake tf
[ rosmake ] Packages requested are: ['tf']                           
[ rosmake ] Logging to directory/home/sergey/.ros/rosmake/rosmake_output-0110825-143550
[ rosmake ] Expanded args ['tf'] to: >[]                                                             
[ rosmake ] WARNING: The following args could not be parsed as stacks or packages: >['tf']           
[ rosmake ] ERROR: No arguments could be parsed into valid package or stack names.

Thank you

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answered 2011-08-25 00:13:48 -0500

Lorenz

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rosmake doesn't search in $HOME/.ros/rosmake. It's just the directory it puts some logs in.

I assume that you are using Ubuntu and installed ros with debian packages. If the system cannot find tf, I suspect that you installed ros-diamondback-base and not the recommended package ros-diamondback-desktop-full. To fix it, just execute the following in a terminal:

sudo apt-get install ros-diamondback-desktop-full

If that doesn't help, something is probably wrong with your ROS_PACKAGE_PATH. In that case, can you please post the output of

echo $ROS_PACKAGE_PATH

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answered 2011-08-25 03:48:10 -0500

dornhege

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updated 2011-08-25 03:48:22 -0500

You do not need to make anything if you installed via packages. The code in /opt already comes compiled.

Nevertheless it should find the packages. Did you source /opt/ros/diamondback/setup.bash (or just setup.sh if not using bash)? If yes, rospack find tf should output /opt/ros/diamondback/stacks/geometry/tf and everything is fine.

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answered 2011-08-25 03:09:51 -0500

Sergey
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2 Lorenz I installed the full package and it doesn't want to update any more.

and this is the output you asked for:

sergey@ubuntu$ echo $ROS_PACKAGE_PATH opt/ros/diamondback/stacks

it looks to be correct.

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What do you mean with 'it doesn't want to update anymore'? Did you do a `sudo apt-get update` and then the `sudo-apt-get install ros-diamondback-desktop-full`? What exactly was the error? The output of the echo command is missing a preceding /. But I guess that's just a copy-paste error.

Lorenz ( 2011-08-25 03:23:17 -0500 )edit

Yes, tried the apt-get, it said i have the newest version. The problem was in missing /. Thanks )

Sergey ( 2011-08-25 03:36:17 -0500 )edit

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answered 2011-08-25 02:09:56 -0500

Ibrahim Mahmoud
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updated 2011-08-25 02:11:26 -0500

Hi,

I am also new to ROS, today I was testing some code with tf and dometry, the compiler used to return no such file or directory once I issue rosmake after adding the include for the header files and fixing the manifest.xml file. I resolved the problem by issuing a cmake . command in order to compile and link the files then rosmake. And everything went good then. Not sure if this would help in your case, hope so.

Good luck,

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Rosmake actually executes make which creates a build directory in which it calls cmake. Calling cmake by hand should never be necessary and might actually screw things up. If you execute `cmake .` in a package root, it might overwrite ros' original Makefile which can lead to further problems...

Lorenz ( 2011-08-25 02:16:13 -0500 )edit

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