make: Switch to -02 by default

And turn on -O0 -ggdb3 only if DEBUG=1.
Optimization was turned off at early
prototype stage so no need to carry it
now.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>

Makefile

 -include Makefile.inc
 
 CFLAGS		+= -I./include
-CFLAGS		+= -O0 -ggdb3
+CFLAGS		+= -O2
 
 LIBS		+= -lrt -lpthread
 
@@ -14,6 +14,7 @@ endif
 
 ifeq ($(DEBUG),1)
 	DEFINES += -DCR_DEBUG
+	CFLAGS	+= -O0 -ggdb3
 endif
 
 WARNINGS	+= -Wall -Wno-unused