Providing fix for both stable and testing version. virtual/x11 seems not necessary and some of the previous RDEPEND that were in for gtk are already a depend from dev-cpp/libglademm
Created attachment 79355 [details, diff] visualboyadvance-1.7.2.ebuild
Created attachment 79356 [details, diff] visualboyadvance-1.7.2-r1.ebuild
Committed the X-related changes, but not the gtk dep simplification.
this seems fixed