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RobotWebTools / webrtc_ros

Streaming of ROS Image Topics using WebRTC
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What is the recommended way to build the project? #38

Closed magnuspyke closed 5 years ago

magnuspyke commented 5 years ago

What is the recommended way of building this project?

I've cloned the repository into a new catkin workspace. Running catkin_make fails with the following error:

`Base path: /home/matt/workspace/catkin_ws_webrtc Source space: /home/matt/workspace/catkin_ws_webrtc/src Build space: /home/matt/workspace/catkin_ws_webrtc/build Devel space: /home/matt/workspace/catkin_ws_webrtc/devel Install space: /home/matt/workspace/catkin_ws_webrtc/install

Running command: "cmake /home/matt/workspace/catkin_ws_webrtc/src -DCATKIN_DEVEL_PREFIX=/home/matt/workspace/catkin_ws_webrtc/devel -DCMAKE_INSTALL_PREFIX=/home/matt/workspace/catkin_ws_webrtc/install -G Unix Makefiles" in "/home/matt/workspace/catkin_ws_webrtc/build"

-- Eclipse version is set to 4.8 (). Adjust CMAKE_ECLIPSE_VERSION if this is wrong. -- Using CATKIN_DEVEL_PREFIX: /home/matt/workspace/catkin_ws_webrtc/devel -- Using CMAKE_PREFIX_PATH: /home/matt/workspace/catkin_ws/devel;/opt/ros/melodic -- This workspace overlays: /home/matt/workspace/catkin_ws/devel;/opt/ros/melodic -- Found PythonInterp: /usr/bin/python2 (found suitable version "2.7.15", minimum required is "2") -- Using PYTHON_EXECUTABLE: /usr/bin/python2 -- Using Debian Python package layout -- Using empy: /usr/bin/empy -- Using CATKIN_ENABLE_TESTING: ON -- Call enable_testing() -- Using CATKIN_TEST_RESULTS_DIR: /home/matt/workspace/catkin_ws_webrtc/build/test_results -- Found gmock sources under '/usr/src/googletest': gmock will be built -- Found PythonInterp: /usr/bin/python2 (found version "2.7.15") -- Found gtest sources under '/usr/src/googletest': gtests will be built -- Using Python nosetests: /usr/bin/nosetests-2.7 -- catkin 0.7.14 -- BUILD_SHARED_LIBS is on -- ~~~~~~~~~~~~~ -- ~~ traversing 2 packages in topological order: -- ~~ - webrtc (plain cmake) -- ~~ - webrtc_ros -- ~~~~~~~~~~~~~ CMake Error at /opt/ros/melodic/share/catkin/cmake/catkin_workspace.cmake:95 (message): This workspace contains non-catkin packages in it, and catkin cannot build a non-homogeneous workspace without isolation. Try the 'catkin_make_isolated' command instead. Call Stack (most recent call first): CMakeLists.txt:63 (catkin_workspace)

-- Configuring incomplete, errors occurred! See also "/home/matt/workspace/catkin_ws_webrtc/build/CMakeFiles/CMakeOutput.log". See also "/home/matt/workspace/catkin_ws_webrtc/build/CMakeFiles/CMakeError.log". Invoking "cmake" failed

` Building with catkin_make_isolated works but pulls in a lot of external dependencies.

vzts commented 5 years ago

For the external dependencies, it is meant to behave so, because it needs to pull source code from chromium repo, which is a lot(~13GiB). You may just leave out the webrtc package with CATKIN_IGNORE to not build it yourself and just use the binary from sudo apt install ros-<your_ros_distro>-webrtc, if you don't need to configure anything on the webrtc package.

And also, you might want to use catkin_tools instead of catkin. It's simpler and faster.

magnuspyke commented 5 years ago

Thanks @vzts for you quick response and suggestions!