-       LDLIBS -= -L/usr/local/lib
-    CXXFLAGS = $(shell pkg-config --cflags QtCore QtGui 2>/dev/null) -Wall -O3
+
+       # Assuming you have QT4 installed.
+       CFLAGS += -I/usr/include/malloc/ -I/usr/local/opt/readline/include
+       LDLIBS = -L/opt/local/lib -L/usr/local/opt/readline/lib -lreadline -lpthread -lm
+       
+       # use this if you have QT5 installed.
+       #CFLAGS += -I/usr/include/malloc/ -I/usr/local/opt/readline/include -I/usr/local/opt/qt5/include 
+    #LDLIBS = -L/opt/local/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/qt5/lib -lreadline -lpthread -lm
+
+       CXXFLAGS = $(shell pkg-config --cflags QtCore QtGui 2>/dev/null) -Wall -O3