Log Message:
(games/pioneers) Build fix: Add BUILD_DPENDS+= itstool. LICENSE= gnu-gpl-v2

ERROR: PLIST:173: Packages that install hicolor icons must include \ 
"../../graphics/hicolor-icon-theme/buildlink3.mk" in the Makefile.
WARN: PLIST:173: Packages that install icon theme files should set ICON_THEMES.
ERROR: Makefile:30: Only packages that have .omf files in their PLIST may \ 
include omf-scrollkeeper.mk.
2 errors and 1 warning found.