Makefiles: don't set defaults for CFLAGS.

CFLAGS is now empty by default.  If its value must be set, it should be
done in the command line for make.

arogue5/Makefile.in

@@ -53,7 +53,7 @@ DOCS= arogue58.doc arogue58.html
 
 CC    = gcc
 CPPFLAGS =@DEFS@
-CFLAGS= -g
+CFLAGS=
 CRLIB = -lcurses
 RM    = rm -f
 TAR   = tar

rogue3/Makefile.in

@@ -55,7 +55,7 @@ MISC  =	Makefile $(MISC_C) LICENSE.TXT $(PROGRAM).sln $(PROGRAM).vcproj $(DOCS)\
 CC    = gcc
 CPPFLAGS =@DEFS@
 ROPTS =
-COPTS = -O3
+COPTS =
 CFLAGS= $(COPTS) $(ROPTS)
 LIBS  = -lcurses
 RM    = rm -f

rogue4/Makefile.in

@@ -16,15 +16,11 @@ PROGRAM=@PROGRAM@
 CC    = @CC@
 LIBS =	@LIBS@
 
-#SCOREFILE=\"/usr/local/games/roguelike/rogue4.scr\"
 SCOREFILE=@SCOREFILE@
-#LOGFILE=\"/usr/local/games/roguelike/rogue4.log\"
 LOGFILE=@LOGFILE@
-#SAVEDIR=\"/usr/local/games/roguelike/rogue4save/\"
 SAVEDIR=@SAVEDIR@
-#LOCKFILE=\"/usr/local/games/roguelike/rogue4save/rogue4.lck\"
 LOCKFILE=@LOCKFILE@
-#GROUPOWNER=games
+
 GROUPOWNER=@GROUPOWNER@
 
 DESTDIR=
@@ -50,7 +46,7 @@ CFILES=	vers.c extern.c armor.c chase.c command.c daemon.c daemons.c \
 	mach_dep.c xcrypt.c mdport.c
 MISC=	Makefile LICENSE.TXT rogue.6 rogue.me
 
-CFLAGS= -O3
+CFLAGS=
 CPPFLAGS=@DEFS@
 CRLIB = -lcurses
 RM    = rm -f

rogue5/Makefile.in

@@ -26,7 +26,7 @@ O=o
 CC    = @CC@
 
 #CFLAGS=-O2
-CFLAGS= @CFLAGS@ 
+CFLAGS=
 
 #LIBS=-lcurses
 LIBS =	@LIBS@

srogue/Makefile.in

@@ -42,7 +42,7 @@ CFILES= vers.c armor.c chase.c command.c daemon.c daemons.c disply.c encumb.c \
 MISC=	Makefile LICENSE.TXT rogue.nr
 
 CC    = gcc
-CFLAGS= -g
+CFLAGS=
 CPPFLAGS=@DEFS@
 CRLIB = -lcurses
 RM    = rm -f