Index: ibmswtpm2-1682/src/makefile
===================================================================
--- ibmswtpm2-1682.orig/src/makefile
+++ ibmswtpm2-1682/src/makefile
@@ -40,11 +40,11 @@
 
 CC = /usr/bin/gcc
 
-CCFLAGS = -Wall  			\
+CCFLAGS += -fno-strict-aliasing -fno-aggressive-loop-optimizations -Wno-unused-result \
 	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
-	-Werror -Wsign-compare \
+	-Werror -Wsign-compare -Wno-unused-value -Wno-aggressive-loop-optimizations \
 	-Wno-deprecated-declarations	\
-	 -c -ggdb -O0 			\
+	 -c -ggdb 			\
 	-DTPM_POSIX			\
 	-D_POSIX_			\
 	-DTPM_NUVOTON
@@ -55,7 +55,7 @@ CCFLAGS = -Wall  			\
 #	--coverage			\
 #	-fprofile-arcs -ftest-coverage
 
-LNFLAGS = -ggdb 			\
+LNFLAGS += -ggdb 			\
 	-lcrypto			\
 	-lpthread			\
 	-lrt				\