diff --git a/CMakeLists.txt b/CMakeLists.txt
index a74ec11..5e09c92 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,10 @@ else()
 		# nothing special for gcc at the moment
 	endif()
 endif()
+add_compile_definitions(KGE_PLATFORM=${CMAKE_HOST_SYSTEM_NAME})
+add_compile_definitions(KGE_VERSION=${PROJECT_VERSION})
+
+message(STATUS "Build system: ${CMAKE_HOST_SYSTEM_NAME}")
 
 if(${BUILD_GUI})
 include(cmake/imgui.cmake)