Tram is now an optional dependency

src/interface.c

@@ -174,7 +174,11 @@ void groundAddFunctionToStruct(GroundStruct* gstruct, char* name, NativeGroundFu
 }
 
 void groundCompileProgram(GroundProgram* program) {
+#ifdef GROUND_COMPILE_WITH_TRAM
     compileGroundProgram(program, "program.gexe");
+#else
+    printf("This version of Ground has been compiled without Tram, so compilation is not supported.\n");
+#endif
 }
 
 GroundValue groundRunFunction(GroundFunction* function, size_t argc, ...) {