message: Also codesign swift executables.
diff: @@ -629,6 +629,9 @@ $(EXE): $(MODULENAME).swiftmodule $(SWIFT_OBJECTS)
  $(SWIFTC) $(LD_EXTRAS) \
  $(patsubst $<,-Xlinker -add_ast_path -Xlinker $(BUILDDIR)/$<,$^) \
  $(patsubst -g,,$(SWIFTFLAGS)) -o "$(EXE)"
  +ifneq "$(CODESIGN)" ""
  + $(CODESIGN) -s - "$(EXE)"
  +endif
  else # OS = Linux
  $(EXE): $(MODULENAME).swiftmodule.o $(SWIFT_OBJECTS)
  @echo "### Linking" $(EXE)
  