Index: mttroot/mtt/bin/mtt
==================================================================
--- mttroot/mtt/bin/mtt
+++ mttroot/mtt/bin/mtt
@@ -15,10 +15,14 @@
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Header$
 ## $Log$
+## Revision 1.392  2004/08/26 12:50:12  geraint
+## Replaced some implicit rules with explicit tests and patterns.
+## Better than having make search through every possible implicit rule.
+##
 ## Revision 1.391  2004/08/26 00:07:06  geraint
 ## Added rule to create cbg.dia.
 ##
 ## Revision 1.390  2004/08/13 09:49:13  geraint
 ## Only use one level of MTT_work to prevent MTT from repeatedly copying or creating the same files.
@@ -2451,15 +2455,17 @@
 endif
 
 ifneq ("$sensitivity","sensitivity")
 ifneq ("$level","0")
 # If level>0, try and get subsystem files; creating if necessary
+ifneq ("\$(wildcard $1_abg.dia)","$1_abg.dia")
 $1_abg.fig:
 	mtt -q -u $mtt_switches compcopy $1
 else
 $1_abg.fig:
 	
+endif
 endif
 endif
 
 # Create an arg file if it doesn't exist
 $1_args.m:
@@ -3667,22 +3673,19 @@
 	cp $MTTPATH/trans/mtt.sty .
 $1_$2.doc: $1_$2.tex
 	makedoc "$mtt_switches" "$1" "$2" "$3" "$4" "$documenttype" "$ps"
 
 
-#Create PostScript version of fig files
+#Create PostScript version of dia and fig files
 ifeq ($REPTYPE,bg)
-#ifeq ("\$(wildcard $1_abg.dia)","$1_abg.dia")
-#$1_$2.$ps : $1_$2.dia
-#	echo Creating $1_$2.$ps
-#	dia --no-splash --export-to-format=eps $1_$2.dia
-#	mv $1_$2.eps $1_$2.$ps
-#else
+ifeq ("\$(wildcard $1_abg.dia)","$1_abg.dia")
+$1_$2.$ps : $1_$2.dia
+else
 $1_$2.$ps : $1_$2.fig
+endif
 	echo Creating $1_$2.$ps
-	multi_command2 "fig2dev -L$eps" $1 $2.fig $2.$ps | sh
-#endif
+	bg2eps $1 $2 $ps $eps
 endif
 
 
 ifeq ($REPTYPE,tex)
 #Generic conversion of LaTeX doc to dvi or pdf