cmake_minimum_required(VERSION 3.4)

set(CMAKE_CONFIGURATION_TYPES
    "Debug"
    "Release"
    "ReleaseInternal"
)

project(Test)

add_custom_command(
  OUTPUT  stamp.txt
  COMMAND ${CMAKE_COMMAND} -E echo Printing comment for $<CONFIG>
  COMMAND ${CMAKE_COMMAND} -E touch stamp.txt
  COMMENT "Test command"
)

add_custom_target(
  TestProject
  DEPENDS stamp.txt
)