+add_executable(simple ${CMAKE_CURRENT_SOURCE_DIR}/simple.c)
+add_executable(trace_platform ${CMAKE_CURRENT_SOURCE_DIR}/trace_platform.c)
+add_executable(user_variables ${CMAKE_CURRENT_SOURCE_DIR}/user_variables.c)
+add_executable(link_user_variables ${CMAKE_CURRENT_SOURCE_DIR}/link_user_variables.c)