Hi Clemens,

 

When I get footprint mismatch errors, I just go into the directory of the port, eg,

 

/usr/ports/opt/<NAME HERE>

 

and issue the pkgmk command with the -if switch to ignore the footprint.

 

pkgmk -if

 

Then I use the normal pkgadd command to install the port.

 

Hope this helps!