```batchfile
GEOIPDATADIR=%LIBRARY_PREFIX%
INSTDIR=%LIBRARY_PREFIX%

nmake /f Makefile.vc
nmake /f Makefile.vc test
nmake /f Makefile.vc install```

SET env var [travis skip circle skip]
user
```batchfile
SET GEOIPDATADIR=%LIBRARY_PREFIX%
SET INSTDIR=%LIBRARY_PREFIX%

nmake /f Makefile.vc
nmake /f Makefile.vc test
nmake /f Makefile.vc install```
assistant