When you install the Interix Software Development Kit (SDK), it creates the following directory hierarchy:
| Interix directory format | Windows directory format |
|---|---|
| /usr/X11R5/bin | %SFUDIR%\usr\X11R5\bin |
| /usr/X11R5/examples | %SFUDIR%\usr\X11R5\examples |
| /usr/X11R5/include | %SFUDIR%\usr\X11R5\include |
| /usr/X11R5/include/X11 | %SFUDIR%\usr\X11R5\include\X11 |
| /usr/X11R5/include/X11/bitmaps | %SFUDIR%\usr\X11R5\include\X11\bitmaps |
| /usr/X11R5/include/X11/extensions | %SFUDIR%\usr\X11R5\include\X11\extensions |
| /usr/X11R5/include/X11/Xaw | %SFUDIR%\usr\X11R5\include\X11\Xaw |
| /usr/X11R5/include/X11/Xmu | %SFUDIR%\usr\X11R5\include\X11\Xmu |
| /usr/X11R5/lib | %SFUDIR%\usr\X11R5\lib |
| /usr/X11R5/lib/app-defaults | %SFUDIR%\usr\X11R5\lib\app-defaults |
| /usr/X11R5/lib/config | %SFUDIR%\usr\X11R5\lib\config |
| /usr/X11R5/lib/nls | %SFUDIR%\usr\X11R5\lib\nls |
| /usr/X11R5/lib/nls/local_im_tbl | %SFUDIR%\usr\X11R5\lib\local_im_tbl |
| /usr/X11R5/lib/twm | %SFUDIR%\usr\X11R5\lib\twm |
| /usr/X11R5/man | %SFUDIR%\usr\X11R5\man |
| /usr/X11R5/man/cat1 | %SFUDIR%\usr\X11R5\man\cat1 |
| /usr/X11R5/man/cat3 | %SFUDIR%\usr\X11R5\man\cat3 |
| /usr/X11R5/man/cat5 | %SFUDIR%\usr\X11R5\man\cat5 |
Most code for X Window utilities assumes a directory named /usr/X11 rather than /usr/X11R5. To accommodate this, you can do one of the following: