CMake Error at CMP0037-NEW-colon.cmake:4 \(add_library\):
  The target name "lib:colon" is reserved or not valid for certain CMake
  features, such as generator expressions, and may result in undefined
  behavior.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
+
CMake Error at CMP0037-NEW-colon.cmake:5 \(add_executable\):
  The target name "exe:colon" is reserved or not valid for certain CMake
  features, such as generator expressions, and may result in undefined
  behavior.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
+
CMake Error at CMP0037-NEW-colon.cmake:6 \(add_custom_target\):
  The target name "custom:colon" is reserved or not valid for certain CMake
  features, such as generator expressions, and may result in undefined
  behavior.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)