devel/meson - fails to package

[Harry Schmalzbauer]

 writing list of installed files to
'/usr/local/ports-wrktree/devel/meson/work/.PLIST.pymodtmp'                                                                  

====> Compressing man pages
(compress-man)                                     
===>  Installing for meson-0.45.1      
===>  Checking if meson already
installed                                      
===>   Registering installation for
meson-0.45.1                               
Installing meson-0.45.1...             
===>  Building package for meson-0.45.1
pkg-static: open(/usr/local/ports-wrktree/devel/meson/work/.metadir): No
such file or
directory                                                                 
pkg-static: Invalid package: object has missing property
origin                
pkg-static: the package is not valid   
*** Error code 1

Port's Makefile is almost empty.  "Uses" madness makes it hard for
part-time maintainers to follow :-(

Does
USE_PYTHON=     autoplist
respect WRKDIRPREFIX? (first guess, don't have time to try out nor to
read through all the nested "Uses"...)

-harry