1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 409385c..37e33e7 100644
--- a/Makefile
+++ b/Makefile
@@ -21,5 +21,8 @@ rqmc: rqmc.o mt19937.o
 option: option.o mt19937.o p_adic.o
 	$(CXX) $^ -o $@ $(GSL_FLAGS) 
 
+opti: opti.o
+	$(CXX) $^ -o $@ -lnlopt -lm
+	
 clean:
-	-$(RM) -f *.o test stratified_sampling main option
+	-$(RM) -f *.o test stratified_sampling main option