I ran the script and fixed several build failures.

Notable failure is kwayland in cmake configure step.
I have no idea why.

Would like some assist there.

CMake Error at /gnu/store/j8kh897ak4xn376zcdxdsmjb20c6didx-qtbase-5.14.2/lib/
cmake/Qt5/Qt5Config.cmake:28 (find_package):
  Could not find a package configuration file provided by "Qt5WaylandClient"