Building Modules

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Revision as of 19:45, 11 May 2007 by Colin Finck (talk | contribs) (Reorganized the article, added some more information)
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work in progress by Z98

There are many applications, tests, and extra subsystems in the ReactOS SVN. Most are not installed into the Boot CD by default and require a few easy steps.

Technical Information

In "reactos/modules" are two files, empty.rbuild and directory.rbuild. The Build system will read the directory.rbuild file and look if the subfolders named in this file exist.

If a folder exists, the Build System will process its directory.rbuild file. Otherwise it will fallback to the empty.rbuild file.

Integrating a module

If you want to integrate a module into the build, it's the easiest to copy the appropriate folder into the "modules" directory.

If you already downloaded a module into another directory and want to keep it there (e.g. for updating it via SVN), you can also create a symbolic link to that directory. This also saves disk space.

A symbolic link can be created on NTFS partitions with the Junction utility. After you installed this utility, open a Command Prompt, jump to the "modules" directory and execute the following command:

junction rosapps X:\reactos\rosapps

In this case, I assume that you want to create a symbolic link to the "rosapps" module, which is located at X:\reactos\rosapps.


We currently have the following modules in the SVN Tree:

  • rosapps - Various applications such as a Paint replacement
  • rostests - Various tests to check for regressions

The following modules have been deleted from the Trunk tree some time ago. They are still in a branch called "unmaintained". As they probably don't work with newer ReactOS versions or didn't work at all, we don't support them.

  • os2 - An OS2 subsystem to run OS2 applications
  • posix - A POSIX subsystem to run Unix applications
  • rosky - A SkyOS subsystem to run SkyOS applications
  • vms - A VMS subsystem to run VMS applications