add_subdirectory(run)
add_subdirectory(htrack)
add_subdirectory(much)
add_subdirectory(trd)
add_subdirectory(mvd)
add_subdirectory(littrack)
If($ENV{ctest_model} MATCHES Nightly)
  add_subdirectory(field)
  Message("Additional Nightly tests for field.")
EndIf($ENV{ctest_model}  MATCHES Nightly)