CMake Error at global-interface.cmake:2 \(add_library\):
  Cannot find source file:

    GLOBAL

  Tried extensions \.c \.C \.c\+\+ \.cc \.cpp \.cxx \.m \.M \.mm \.h \.hh \.h\+\+ \.hm \.hpp
  \.hxx \.in \.txx
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)