5.8RC1: The following modules were requested or required, but not found: ;VTK::IOOggTheora.
The 5.8RC1 fails to configure quite early when cross-compiling (mingw):
-- Could not use git to determine source version, using version 5.8.0-RC1
CMake Error at CMakeLists.txt:454 (message):
The following modules were requested or required, but not found:
;VTK::IOOggTheora.
same on master