diff --git a/Makefile.am b/Makefile.am
index 37df12b..4ff621e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,10 +1,10 @@
 
-CXXFLAGS =
+#CXXFLAGS =
 AM_CXXFLAGS =
-CXXFLAGS += -Wall
-AM_CXXFLAGS += -Wall
+#CXXFLAGS += -Wall
+#AM_CXXFLAGS += -Wall
 
-LDFLAGS = -Wl,-rpath,/usr/local/lib
+#LDFLAGS = -Wl,-rpath,/usr/local/lib
 
 # for testing
 #CXXFLAGS += -g -O -lefence
@@ -14,8 +14,8 @@ LDFLAGS = -Wl,-rpath,/usr/local/lib
 #AM_CXXFLAGS += -O3 -g -pg
 
 # for production
-CXXFLAGS    += -O3 -fexpensive-optimizations
-AM_CXXFLAGS += -O3 -fexpensive-optimizations
+#CXXFLAGS    += -O3 -fexpensive-optimizations
+#AM_CXXFLAGS += -O3 -fexpensive-optimizations
 
 #CXXFLAGS    += -O3 -fexpensive-optimizations -DNDEBUG
 #AM_CXXFLAGS += -O3 -fexpensive-optimizations -DNDEBUG