Version 2.4-201503212005 is a new release of the GNU ARM Eclipse Windows Build Tools.

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The GNU ARM Eclipse Windows Build Tools v2.4 package includes the version 4.1 of GNU make (built from MSYS2 source files), and version 1.24.0-git of BusyBox, which provides a convenient implementation for sh/rm/echo.

In addition to using the most recent versions, the new packages install in separate folders for each version, allowing multiple versions to coexist.

Apart from v2.3 where a binary version of BusyBox was packed, in version v2.4 BusyBox is also compiled from sources, so the entire package is freshly build from sources.

The managed build plug-in generally auto-detects the latest build tools version, by using the Windows registry keys or by searching several designated folders, and defaults to using it. If you need to use a different version, update the Global Tools Paths (or Workspace Tools Paths) in C/C++ → Build preferences.

Please note that it is no longer required to manually update the environment PATH, if properly set in the preferences page (as Build tools folder), the plug-in automatically updates the PATH.

Known problems

  • the uninstall script has a problem and erroneously removes some registry keys and folders. DO NOT run the uninstall.exe since you might damage your system; instead, install the new version on top of it.


The new Windows Build Tools can be downloaded from the GitHub Release page.

The available files are: