-#in the next section to remove that particular feature from compilation  
-APP_CFLAGS     = -DWITH_ISO14443a_StandAlone -DWITH_LF -DWITH_ISO15693 -DWITH_ISO14443a -DWITH_ISO14443b -DWITH_ICLASS -DWITH_LEGICRF -DWITH_HITAG  -DWITH_CRC -DON_DEVICE -DWITH_HFSNOOP \
-                               -fno-strict-aliasing -ffunction-sections -fdata-sections
-#-DWITH_LCD 
-
-#SRC_LCD = fonts.c LCD.c
-SRC_LF = lfops.c hitag2.c lfsampling.c pcf7931.c lfdemod.c protocols.c
+#in the next section to remove that particular feature from compilation.
+# NO space,TABs after the "\" sign.  
+APP_CFLAGS = -DWITH_CRC \
+                        -DON_DEVICE \
+                        -DWITH_LF \
+                        -DWITH_HITAG \
+                        -DWITH_ISO15693 \
+                        -DWITH_LEGICRF \
+                        -DWITH_ISO14443b \
+                        -DWITH_ISO14443a \
+                        -DWITH_ICLASS \
+                        -DWITH_HFSNOOP \
+                        -DWITH_ISO14443a_StandAlone \
+                        -fno-strict-aliasing -ffunction-sections -fdata-sections
+### IMPORTANT -  move the commented variable below this line
+#                       -DWITH_LCD \
+
+SRC_LCD = fonts.c LCD.c
+SRC_LF = lfops.c hitag2.c hitagS.c lfsampling.c pcf7931.c lfdemod.c