configuration: #ifdef ROUTE_MODULE

Enclosed symbols only seem available with when this ifdef.

cif/CIFrdutils.c

@@ -276,8 +276,10 @@ CIFScaleCoord(
 		    PlowAfterTech();
 		    ExtTechScale(1, denom);
 		    WireTechScale(1, denom);
+#ifdef ROUTE_MODULE
 		    MZAfterTech();
 		    IRAfterTech();
+#endif
 #ifdef LEF_MODULE
 		    LefTechScale(1, denom);
 #endif

utils/tech.c

@@ -577,7 +577,9 @@ TechLoad(filename, initmask)
 #endif
 	ExtTechInit();
 	DRCTechInit();
+#ifdef ROUTE_MODULE
 	MZTechInit();
+#endif
 
             /* Changing number of planes requires handling on every     */
             /* celldef.  So we need to save the original number of      */