diff --git a/eo/src/es/Makefile.am b/eo/src/es/Makefile.am
index 9d90f944..052e1ca6 100644
--- a/eo/src/es/Makefile.am
+++ b/eo/src/es/Makefile.am
@@ -15,5 +15,6 @@ libes_a_SOURCES = make_algo_scalar_real.cpp \
                   make_pop_real.cpp \
                   make_run_real.cpp
 CPPFLAGS = -Wall
+CXXFLAGS = -g
 libeoincdir = $(includedir)/eo/es
 libeoinc_HEADERS = eoEsChromInit.h eoEsFull.h eoEsMutate.h eoEsMutationInit.h eoEsSimple.h eoEsStdev.h  eoEsStdevXOver.h eoGenericRealOp.h eoNormalMutation.h eoReal.h eoRealOp.h
diff --git a/eo/src/ga/Makefile.am b/eo/src/ga/Makefile.am
index 7bf8a6c6..783e68f3 100644
--- a/eo/src/ga/Makefile.am
+++ b/eo/src/ga/Makefile.am
@@ -14,8 +14,7 @@ libga_a_SOURCES = make_algo_scalar_ga.cpp \
                   make_op_ga.cpp \
                   make_pop_ga.cpp \
                   make_run_ga.cpp
-CPPFLAGS = -O2 -Wall
-
-
+CPPFLAGS = -Wall
+CXXFLAGS = -g
 libeoincdir = $(includedir)/eo/ga
 libeoinc_HEADERS = eoBit.h eoBitOp.h eoBitOpFactory.h ga.h