Added clean rule (can't use xpdev/rules.mk as it is).

src/sbbs3/scfg/Makefile

@@ -23,7 +23,7 @@ UIFC	=	..\..\uifc
 LIB	=	..\..\..\lib
 INCLUDE	=	..\..\..\include
 CFLAGS	=	-DSCFG -M -I..;$(UIFC);$(XPDEV) 
-DELETE	=	echo y | del 
+DELETE	=	-@echo y | del 
 
 .path.c = .;..;$(UIFC);$(XPDEV)
 .path.cpp = $(UIFC)
@@ -44,7 +44,7 @@ EXEODIR	=	$(EXEODIR).debug
 !else
 EXEODIR	=	$(EXEODIR).release
 !endif
-LIBODIR = 	$(EXEODIR)
+LIBODIR =	$(EXEODIR)
 
 # Cross platform/compiler definitions
 !include targets.mk	# defines all targets
@@ -69,7 +69,7 @@ OBJS 	= $(OBJS) $(EXEODIR)\uifcfltk.$(OFILE) $(LIB)/fltk/win32/fltk.lib
 .cpp.$(OFILE):
 	@$(CC) $(CFLAGS) -n$(EXEODIR) -c $<
 
-# Create output directories if they don't exist
+# Create output directory if it doesn't exist
 $(EXEODIR):
 	@if not exist $(EXEODIR) mkdir $(EXEODIR)
 
@@ -83,3 +83,7 @@ $(SCFGHELP): $(OBJS) $(MAKEHELP)
 $(SCFG): $(OBJS)
 	@echo Linking $@
 	@$(CC) $(CFLAGS) -e$@ $**
+
+clean:
+	@echo Deleting $(EXEODIR)
+	$(QUIET)$(DELETE) $(EXEODIR)\*