--- splix-315/splix/Makefile	2008-06-19 16:42:15.000000000 +0000
+++ splix-315/splix/Makefile	2019-08-19 13:06:20.813967735 +0000
@@ -74,8 +74,8 @@ comma           := ,
 
 DEBUG_CFLAGS    := -O0 -g
 DEBUG_CXXFLAGS  := -O0 -g
-OPTIM_CFLAGS	:= -O2
-OPTIM_CXXFLAGS	:= -O2
+OPTIM_CFLAGS	:= -O3
+OPTIM_CXXFLAGS	:= -O3
 
 ARCHI           := $(shell uname -s)