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dev:ros:multiple_install [2019/12/25 15:40] (current)
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 +# Install several packages at once
 +If you want to install from source different packages, using `catkin_make_isolated` without re-compiling existing packages (that are downloaded since they'​re dependencies) you can follow this:
 +Prepare you workspace
 +    mkdir my_wksp
 +    cd my_wksp
 +Generate the packages list
 +    rosinstall_generator stack1 packageb blabla --rosdistro hydro --wet-only --deps --exclude RPP > all.rosinstall
 +Download the packages, update the workspace
 +    wstool init -j8 src all.rosinstall
 +    # or, if you're working with an existing workspace
 +    # wstool merge all.rosinstall -t src
 +    # wstool update -j8 -t src
 +Install system dependencies
 +    rosdep install --from-paths src --ignore-src --rosdistro hydro -y -r 
 +    # Add "​--os=debian:​wheezy"​ if you need (not needed on ubuntu, might be needed on debian)
 +    catkin_make_isolated -q --merge --install-space /​opt/​ros/​hydro/​
 +Install !
 +    sudo /​opt/​ros/​hydro/​ catkin_make_isolated --install --install-space /​opt/​ros/​hydro/​ -q --merge
 +That should be it. If you compare to the other examples (Debian install, Turtlebot install), you might notice some changes:
 +* `--exclude RPP` is used to exclude the already installed packages from the dependencies search
 +* Two lines for catkin_make_isolated instead of one: That's because compiling as root is bad
 +    ​
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