Hi Mike,

You can't overlay a package that is part of the ROS core. Your options
are to rename your new package, or do a modified install.

HTH,
Ken

On Mon, Aug 2, 2010 at 2:53 PM, Michael Styer <michael@styer.net> wrote:
> Hello,
>
> If I wanted to install a modified version of a package in ROS core (e.g.
> message_filters) without removing the old version, how would I do it?
>
> I have ROS C-turtle installed via .deb packages in /opt/ros/cturtle/...,
> I have a local package directory in $HOME/ros/packages, and my local
> installation directory is listed first in my $ROS_PACKAGE_PATH. For
> non-core packages, this works OK. But rospack always looks in $ROS_ROOT
> first, regardless of what's in $ROS_PACKAGE_PATH (see line 1606 of
> rospack.cpp, SVN revision 10588), so it will ignore any overlay for
> packages in $ROS_ROOT. Is there another way to overlay core packages?
>
> Thanks!
>
> Mike
>
>
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>