feat: new mcf_init.sas macro to handle function compilation tracking (and associated test). Further updates to support mp_stackdiffs test results so far

tests/testinit.sas

@@ -14,6 +14,8 @@
 /* set defaults */
 %mp_init()
 
+%global _debug;
+
 %macro loglevel();
   %if "&_debug"="2477" or "&_debug"="fields,log,trace" %then %do;
     %put debug mode activated;