fix hyperroid builds

- add cap guards where necessary
- adapt to new `shiftpoint` datatype and function interfaces thereof

fake.cpp

@@ -605,6 +605,7 @@ EX void configure() {
     };
   }
   
+#if CAP_COMMANDLINE
 int readArgs() {
   using namespace arg;
            
@@ -621,6 +622,7 @@ int readArgs() {
   }
 
 auto fundamentalhook = addHook(hooks_args, 100, readArgs);
+#endif
 
 EX }