...
qwt_source\designer\plugins\designer
kaikki tiedostot -> c:\Qt\4.7.1\C:\Qt\4.7.1\plugins\designer
qwt_source\designer\plugins\designer
qwt_designer_plugin5.dll -> c:\Qt\2010.05\bin\designer\
...
...
qwt_source\designer\plugins\designer
kaikki tiedostot -> c:\Qt\4.7.1\C:\Qt\4.7.1\plugins\designer
qwt_source\designer\plugins\designer
qwt_designer_plugin5.dll -> c:\Qt\2010.05\bin\designer\
...