How to build the Robotics Library from source code on Windows

The Robotics Library is an open source C++ library for robot kinematics, motion planning and control.

The official website provides a Windows installer. But it's release only and has no debug information. To better debug into the library, we need to build it from the source code.

There's an official building instructions including its source code and all 3rd parties' download and building steps. But that description is for VS 2010 x64 release build, if building into VS 2008 win32 debug version, there're some extra work to do. This article describes all the required steps.

Step-by-step guide

The library can be built in many VS versions (2008, 2010, 2012, .. etc) and flavors (debug/release, win32/x64 bit). This article uses VS 2008 win32 debug version as an example. The process for other flavors (e.g VS 2012 x64 release) are similar.

Part 1: Preparation

  1. Create a temporary folder c:\temp, type command "subst S: c:\temp". This makes the code path in pdb files starts with a virtual logic drive "S:" so it's easier to debug the robotics library code in the future.
  2. Download the required third parties following the official building instructions, extract them to different folders in S:\3p. Here we only build the core library, so in a minimum we need Eigen, Boost, LibXml2, Coin3D and CGAL. If we want to build the demo programs then we need more 3ps like Qt, SOLID, .. etc.
  3. Download the source code of the robotics library, extract it to S:\source. Here is what my folder structure looks like after doing all these.
    How to build the Robotics Library from source code on Windows
  4. Install CMake ≥ 2.8.11. Here I install CMake 3.0.
  5. Start "Visual Studio 2008 Command Prompt". type the following command to allow multi-core compilation support.
          set VCBUILD_DEFAULT_OPTIONS=/M%NUMBER_OF_PROCESSORS%
          set CL=/MP

Part 2: Build the 3rd parties

  1. Boost:
    1. change directory to the boost folder. execute the following command:
        bootstrap.bat
    2. execute the following command:
      b2 toolset=msvc-9.0 install address-model=32 --build-type=complete --prefix="C:\Program Files (x86)\Boost"
    3. add C:\Program Files (x86)\Boost\lib to the system's PATH variable.
    4. execute the following command:
      set BOOST_ROOT=%ProgramFiles(x86)%\Boost
  2. Eigen:
         change directory to the Eigen folder and execute the following command:
           mkdir Default
    cd Default
    cmake -G "Visual Studio 9 2008" -D CMAKE_INSTALL_PREFIX="C:\Program Files (x86)\eigen" ..
    cmake --build . --config Debug --target INSTALL
  3. LibXml2: 
    1. change directory to the subdirectory "win32" and execute 
      cscript configure.js compiler=msvc debug=yes iconv=no prefix="C:\Program Files (x86)\libxml2"
    2. edit the file "config.msvc" in that folder, find the line PREFIX=C:\Program Files (x86)\libxml2, change it to PREFIX="C:\Program Files (x86)\libxml2". (use double quote to enclose the path).
    3. execute the following command to build the library
      nmake /f Makefile.msvc
    4. change directory to the folder "bin.msvc", execute the following command to embed the manifest into the generated dll
      mt.exe -manifest libxml2.dll.manifest -outputresource:libxml2.dll;2
    5. change director to "win32", execute teh following command to install the library to c:\Program Files (x86)
      nmake /f Makefile.msvc install
    6. add the C:\Program Files (x86)\libxml2\bin to the system's PATH variable
  4. Coin3D:
    1. open the Visual Studio solution file build\msvc9\coin3.sln. Select the desired configuration (here are the dll-debug and lib-debug) and build. It'll report "coin3 docs" project built fails (possibly due to lack of doxygen), which is OK.
    2. create a folder "c:\Program Files (x86)\coin".
    3. create a temporary folder named like "c:\temp\install". Note this temp folder's full path should have no white space. We'll firstly install Coin3D to it and then copy all the files to "c:\Program Files (x86)\coin".
    4. change directory to the build\msvc9 folder, type the following command
         set COINDIR=c:\temp\install
      ..\misc\install-sdk.bat dll debug msvc9 coin3
      xcopy /s %COINDIR% "%programfiles(x86)%\coin" 
  5. CGAL:
    1. change directory to the CGAL folder, open the CMakeLists.txt, remove the following line:
      list (INSERT CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES 0 GMP MPFR)
    2. execute the following command
      mkdir Default
      cd Default
      cmake -G "Visual Studio 9 2008" -D CMAKE_INSTALL_PREFIX="C:\Program Files (x86)\cgal" -D WITH_CGAL_ImageIO=OFF -D WITH_CGAL_Qt3=OFF -D WITH_CGAL_Qt4=OFF -D WITH_GMP=OFF -D WITH_MPFR=OFF ..
      cmake --build . --config Debug --target INSTALL

Part 3: Build the Robotics Library

The building instructions builds the library in command line, while I meet some problem when using it. Here are the steps of how to build it with CMake-gui and VS IDE.

  1. change directory to the robotics library folder, open the CMakeLists.txt. Change the following options to "FALSE" because we don't want to build the demos and tests.

    option(BUILD_DEMOS "Build demos" FALSE)
    option(BUILD_EXTRAS "Build extras" FALSE)
    option(BUILD_RL_MATH "Build RL::MATH" TRUE)
    option(BUILD_RL_UTIL "Build RL::UTIL" TRUE)
    option(BUILD_RL_XML "Build RL::XML" TRUE)
    option(BUILD_TESTS "Build tests" FALSE)

  2. open CMake-gui, specify the source directory as "S:\source\rl-0.6.2" and build directory as "S:\source\rl-0.6.2\build". click "Configure", select "Visual Studio 9 2008" as the generator, keeping the default option of "Use default native compilers'.
    How to build the Robotics Library from source code on Windows
  3. It'll prompt "LIBXML2_INCLUDE_DIRS" can't be found, specify it as "C:\Program Files (x86)\libxml2\include\libxml2". Also, add an entry "BOOST_ROOT", specifying its value as "C:\Program Files (x86)\Boost".
    How to build the Robotics Library from source code on Windows
  4. Click "Configure", there'll be no error any more. Click "Configure" again so there's no red item. Click "Generate" to generate the solution files.
  5. Open the "build\rl.sln" in VS2008. Find these 8 projects: rlhal, rlkin, rlmath, rlmdl, rlplan, rlsg, rlutil, rlxml. Change their default pdb files name to "$(ProjectName)d.pdb" as following:
     How to build the Robotics Library from source code on Windows
  6. Build the solution.
  7. Copy the pdb files to the installed folderxcopy /s  lib\debug\*.pdb "c:\Program Files (x86)\rl\lib"
  8. Change directory to the "build" folder. Execute the following commands to copy the header files, library files and pdb files to "c:\Program Files (x86)\rl"
    cmake --build . --config Debug --target INSTALL
    xcopy /s  lib\debug\*.pdb "c:\Program Files (x86)\rl\lib"
Note:
  • If building in release, replace the "debug", "Debug" command options to "release", "Release".
  • If building in x64, start the "Visual Studio x64 Win64 Command Prompt". And replace the installation folder from "c:\Program Files (x86)" to "c:\Program Files"
  • If building in other VS versions, replace the tool set and visual studio version string. E.g., for VS 2012 x64 version, replace "msvc-9.0" with "msvc-11.0", replace "Visual Studio 9 2008" with "Visual Studio 11 Win64". A complete list of CMake 3.0 VS generator string can be found here.
  • See the official building instructions for more examples on 64 bit release build instructions.

Part 4: Package the library

The built Robotics Library files and its 3rd parties are in "c:\Program Files (x86)", they don't have to be there. And we can copy all their lib files to one place so the application referencing will be easier.

Copy the following content to a batch file and execute it to put all the files (header, lib, dll) into a similar folder structure as the Robotics Library's official Windows installation.

====================================================================

set RL_ROOT=%programfiles(x86)%

REM copy the header files
xcopy /s %RL_ROOT%\Boost\include\boost-1_55 %RL_ROOT%\rl\include
xcopy /s %RL_ROOT%\cgal\include %RL_ROOT%\rl\include
mkdir %RL_ROOT%\rl\include\coin
xcopy /s %RL_ROOT%\coin\include %RL_ROOT%\rl\include\coin
mkdir %RL_ROOT%\rl\include\Eigen
xcopy /s %RL_ROOT%\eigen\include\eigen3\Eigen %RL_ROOT%\rl\include\Eigen
xcopy /s %RL_ROOT%\libxml2\include\libxml2 %RL_ROOT%\rl\include

REM copy the lib files
xcopy /s %RL_ROOT%\Boost\lib %RL_ROOT%\rl\lib
xcopy /s %RL_ROOT%\cgal\lib %RL_ROOT%\rl\lib
xcopy /s %RL_ROOT%\coin\lib %RL_ROOT%\rl\lib
xcopy /s %RL_ROOT%\libxml2\lib %RL_ROOT%\rl\lib

REM copy the dll files
mkdir %RL_ROOT%\rl\bin
xcopy /s %RL_ROOT%\cgal\bin %RL_ROOT%\rl\bin
xcopy /s %RL_ROOT%\coin\bin %RL_ROOT%\rl\bin
xcopy /s %RL_ROOT%\libxml2\bin %RL_ROOT%\rl\bin

REM remove the old files
rmdir /s /q %RL_ROOT%\Boost
rmdir /s /q %RL_ROOT%\cgal
rmdir /s /q %RL_ROOT%\coin
rmdir /s /q %RL_ROOT%\eigen
rmdir /s /q %RL_ROOT%\libxml2

Part 5: Test the library

  1. Create a win32 console application, copy below content to the main .cpp file.
    #include <iostream>
    #include <rl/math/Transform.h>
    #include <rl/math/Unit.h>
    #include <rl/mdl/Kinematic.h>
    #include <rl/mdl/Model.h>
    #include <rl/mdl/XmlFactory.h> int
    main(int argc, char** argv)
    {
    rl::mdl::XmlFactory factory;
    rl::mdl::Kinematic * kinematics = dynamic_cast<rl::mdl::Kinematic *>(factory.create("C:\\Program Files (x86)\\rl-0.6.2\\share\\rl\\examples\\rlmdl\\unimation-puma560.xml"));
    rl::math::Vector q(6);
    q << 10, 10, -20, 30, 50, -10;
    q *= rl::math::DEG2RAD;
    kinematics->setPosition(q);
    kinematics->forwardPosition();
    rl::math::Transform t = kinematics->getOperationalPosition(0);
    rl::math::Vector3 position = t.translation();
    rl::math::Vector3 orientation = t.rotation().eulerAngles(2, 1, 0).reverse();
    std::cout << "Joint configuration in degrees: " << q.transpose() * rl::math::RAD2DEG << std::endl;
    std::cout << "End-effector position: [m] " << position.transpose() << " orientation [deg] " << orientation.transpose() * rl::math::RAD2DEG << std::endl;
    return 0;
    }

      

  2. Set header file search path to "%RL_ROOT%\rl\include"
  3. Add "rlmdld.lib rlxmld.lib rlmathd.lib libxml2.lib" as library dependencies. Set library file search path to "%RL_ROOT%\rl\lib"
  4. Add "EIGEN_DONT_ALIGN" to "C++"–> "Preprocessor" --> "Preprocessor Definitions." (this is to prevent the Eigen issue on 32 bit platforms)
  5. Build the application, copy libxml2.dll to the exe folder. Run the application, you'll get the following result:
    How to build the Robotics Library from source code on Windows

Reference

http://www.roboticslibrary.org/tutorials/build-windows

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