Megatest

      (set! *runconfigdat* (configf:read-alist rccachef))
      (set! *configinfo*   (list *configdat*  (get-environment-variable "MT_RUN_AREA_HOME")))
      (set! *configstatus* 'fulldata)
      (set! *toppath*      (get-environment-variable "MT_RUN_AREA_HOME"))
      *toppath*)
     ;; we have all the info needed to fully process runconfigs and megatest.config
     (mtcachef              
      (let* ((first-pass (find-and-read-config        ;; NB// sets MT_RUN_AREA_HOME as side effect
				  mtconfig
				  environ-patt: "env-override"
				  given-toppath: toppath
				  pathenvvar: "MT_RUN_AREA_HOME"))
	     (first-rundat  (read-config (conc toppath "/runconfigs.config") *runconfigdat* #t 
					 sections: sections)))
      (let* ((first-pass    (find-and-read-config        ;; NB// sets MT_RUN_AREA_HOME as side effect
			             mtconfig
				     environ-patt: "env-override"
				     given-toppath: toppath
				     pathenvvar: "MT_RUN_AREA_HOME"))
	     (first-rundat  (let ((toppath (if toppath 
					       toppath
					       (car first-pass))))
			      (read-config (conc toppath "/runconfigs.config") *runconfigdat* #t 
					   sections: sections))))
	(set! *runconfigdat* first-rundat)
	(if first-pass  ;; 
	    (begin
	      (set! *configdat*  (car first-pass))
	      (set! *configinfo* first-pass)
	      (set! *toppath*    (or toppath (cadr first-pass))) ;; use the gathered data unless already have it
	      (set! toppath      *toppath*)

    (setenv "MT_TARGET"  target)
    (setenv "MT_TESTSUITENAME" (common:get-testsuite-name))
    (set! envdat (append 
		  envdat
		  (list (list "MT_RUN_AREA_HOME" toppath)
			(list "MT_RUNNAME"       runname)
			(list "MT_TARGET"        target))))
    
    ;; Now can read the runconfigs file
    ;; Now can read the runconfigs file -- can replace this with call to launch:setup?
    ;; 
    ;; This block should be ok to remove - just keep the set of runconfig
    ;; 
    (if (not (eq? *configstatus* 'fulldata))
	(begin
	  (debug:print 0 "Processing runconfigs.config again...")
    (set! runconfig (read-config (conc  *toppath* "/runconfigs.config") #f #t sections: (list "default" target)))
    (if (not (hash-table-ref/default runconfig (args:get-arg "-reqtarg") #f))
	(begin
	  (debug:print 0 "ERROR: [" (args:get-arg "-reqtarg") "] not found in " runconfigf)
	  (if db (sqlite3:finalize! db))
	  (exit 1)))
	  (set! runconfig (read-config (conc  *toppath* "/runconfigs.config") #f #t sections: (list "default" target)))
	  (if (not (hash-table-ref/default runconfig (args:get-arg "-reqtarg") #f))
	      (begin
		(debug:print 0 "ERROR: [" (args:get-arg "-reqtarg") "] not found in " runconfigf)
		(if db (sqlite3:finalize! db))
		(exit 1))))
	(set! runconfig *runconfigdat*))
    ;; Now have runconfigs data loaded, set environment vars

    ;; Only now can we calculate the testpatt
    (set! testpatt (common:args-get-testpatt runconfig))
    
    (for-each (lambda (section)
		(for-each (lambda (varval)