RKWard on Windows

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This page has been marked as needing an improvement. This means the page is incomplete, badly structured or otherwise in need of significant improvements. Most importantly, a walkthrough for the installer is needed



RKWard on Windows is still a very young project. We'd like to encourage you to give RKWard a try on Windows, but if you do, you should expect all sorts of issues, small and large. Please help us by reporting the problems you find.

Known issues

(Please use the bug trackers to report issues. This section is only meant to document the major deficiencies.)

  • The PHP-backend is very slow on Windows, and it may take several seconds for the "Submit"-button to become active in plugins.

Using the RKWard on Windows installer


You need to install R, KDE, and PHP before you can install RKWard.


A windows installer is available at http://cran.r-project.org/bin/windows/base/ .

Installation should be straightforward and does not require any special settings. In cases of doubt, extensive documentation is available from the same url.


Generic instructions for installing KDE on Windows are available at http://techbase.kde.org/Projects/KDE_on_Windows/Installation . For RKWard, proceed as follows:

  1. Download the KDE Windows installer and run it.
  2. Be sure to select MinGW4 as compiler mode on the third page of the installer.
  3. Install the following KDE packages:
    • kdebase (in some versions of the installer, this is called kdebase-mingw)
    • (many additional packages will be installed, automatically).
  4. Add a KDEDIRS environment variable (Start > Control Panel > System > Advanced > Environment Variables, click [New] User variable and create Variable name KDEDIRS with Variable value the directory where you installed KDE4, e.g. C:\KDE4).
  5. Add your lib directory and your bin directory to your Windows %PATH%. (Start > Control Panel > System > Advanced > Environment Variables, double-click the Path System Variable and add "%KDEDIRS%\lib;%KDEDIRS%\bin" to your path separated by semicolon.)


A windows installer is available at http://www.php.net/downloads.php .

For the purpose of using RKWard, you only need the CLI-client. To install only that, chose "Do not setup a webserver" on the "Webserver Setup" page. On the Components page, you need to select Program/CLI Executable. No other items are needed for RKWard.

Installing RKWard

The RKWard installer itself is available at https://sourceforge.net/projects/rkward/files/Current_Stable_Releases/install_rkward_0.5.2.exe/download . In the installer you will need to specify the R and KDE installation directories.

Compiling RKWard from source on Windows

For info on compiling RKWard of Linux/BSD/similar systems see Building_RKWard_From_Source. The same information basically applies on Windows, once you have set everything up as detailed below.


You need to install KDE, R, and PHP as described above with these extra steps:

  • In the KDE installer
    • you have to select "Package Manager" Mode (and compiler mode "MinGW").
    • install the additional packages "gcc-mingw", "cmake", and check the "Devel" box on "kdelibs-mingw" (a considerable number of further packages will be installed automatically).
  • Download and install the latest R tools: http://www.murdoch-sutherland.com/Rtools/

Initial CMake run

When running CMake, you need the following parameters:

  • -DCMAKE_INSTALL_PREFIX=C:\your\path\to\KDE
    • Required, as kde4-config is currently buggy
  • -G "MinGW Makefiles"
    • Needed to tell CMake to use mingw-make

You may get an error complaining about sh.exe in your path during the CMake run. At this time, if you drop the -G "MinGW Makefiles" and re-run cmake, that seems to work.

Differences in running make

When usually you would write

 make [something]

on windows write

 mingw-make [something]


Should you get an error such as

 No rule to make target `D:/kde/kde-mingw/lib/libQtDbus4.a'

although D:/kde/kde-mingw is not your installation directory, see this mail: http://mail.kde.org/pipermail/kde-windows/2009-April/003655.html .

Debugging / further info

See http://techbase.kde.org/Development/Tutorials/Debugging/Debugging_on_MS_Windows in the KDE wiki.

Compiling using MSVC

You are encouraged to try building with MSVC or other compilers on windows, but you'll have to find out how to, on your own. Perhaps this page is a good starting point: http://techbase.kde.org/Getting_Started/Build/KDE4/Windows .

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