set(CMAKE_CROSSCOMPILING 1) # Executable: Return error code different from 0 add_executable(generated_exe_emulator_expected simple_src_exiterror.cxx) add_custom_command(OUTPUT output COMMAND generated_exe_emulator_expected COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_CURRENT_BINARY_DIR}/output DEPENDS generated_exe_emulator_expected) add_custom_target(ensure_build ALL SOURCES ${CMAKE_CURRENT_BINARY_DIR}/output )