Problem installing gscam

asked 2011-03-18 06:44:25 -0500

Antonio
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Hi, I'm trying to install the gscam packet for Rovio. I've checked out the package into the directory /opt/ros/diamondback/stacks. When I try to use the command rosmake --rosdep-install gscam I always get this error "mkdir: cannot create directory `build': Permission denied". I've tried to change the permissions of the directory with no results. What is wrong? Thank you

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answered 2011-03-18 07:14:21 -0500

joq
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Do not modify the /opt/ros install trees. They contain shared binaries, already built for your system.

To add another package and build it from source, see the new package downloading question. In your case, specify /opt/ros/diamondback in place of /opt/ros/cturtle.

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Thank you very much, I follow your suggestion and it works. I can't fix the problem using rosmake on the downloaded package, but I'd like to thanks also GeniusGeeko for the assistance!

Antonio ( 2011-03-21 13:00:39 -0500 )edit

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answered 2011-03-18 07:10:56 -0500

GeniusGeeko
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updated 2011-03-18 07:56:39 -0500

This assumes you have "source /opt/ros/diamondback/setup.bash" added to the end of ~/.bashrc

sudo gedit /opt/ros/diamondback/setup.sh
Change line
export ROS_PACKAGE_PATH=/opt/ros/diamondback/stacks
to
export ROS_PACKAGE_PATH=/opt/ros/diamondback/stacks:~/ros_packages
mkdir ~/ros_packages && cd ~/ros_packages
svn checkout http://brown-ros-pkg.googlecode.com/svn/trunk/experimental/gscam
restart terminal
rosmake --rosdep-install gscam

Cheers, Bryce

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I just love having all of my installed stacks in one neat place. Its just my opinion though.

GeniusGeeko ( 2011-03-18 10:49:31 -0500 )edit

Hi, thank you for your assistance. I follow your suggestion but I still can't solve the problem! Do you have any other suggestion?

Antonio ( 2011-03-20 02:49:22 -0500 )edit

Are you getting the same error?

GeniusGeeko ( 2011-03-20 02:59:03 -0500 )edit

Yes, it's always "mkdir: cannot create directory `build': Permission denied", nothing has changed

Antonio ( 2011-03-20 06:07:47 -0500 )edit

Try the top steps after you use, "sudo su"

GeniusGeeko ( 2011-03-20 08:36:49 -0500 )edit

As super user it can't recognize the command rosmake. I've also tried to reinstall all the binaries but I get always the mkdir error...

Antonio ( 2011-03-20 11:25:21 -0500 )edit

The permissions problem is a clue that you are going about it wrong.

joq ( 2011-03-20 13:56:32 -0500 )edit

But I don't know where's the problem. If I try to compile the stacks alredy present in the diamondback package everything it's ok, the problem it's when I try to add new package from svn. I've checked the enviroment variable and follow the tutorial, but the problem it's still there.

Antonio ( 2011-03-21 00:50:36 -0500 )edit

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