CMake Error at CompileDefinitions.cmake:5 \(target_compile_definitions\):
  Error evaluating generator expression:

    \$<COMPILE_LANGUAGE:CXX>

  \$<COMPILE_LANGUAGE:...> may only be used for COMPILE_OPTIONS and
  file\(GENERATE\) with the Xcode generator.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)