1 files changed, 18 insertions, 1 deletions

diff --git a/Makefile.common b/Makefile.common
index ae2a562ce..1922def00 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,18 +1,35 @@
-SRC +=  keyboard.c \
+SRC +=  host.c \
+        keyboard.c \
         command.c \
         layer.c \
         timer.c \
         print.c \
         util.c
 
+
 # Option modules
 ifdef MOUSEKEY_ENABLE
     SRC += mousekey.c
+    OPT_DEFS += -DMOUSEKEY_ENABLE
 endif
 
 ifdef PS2_MOUSE_ENABLE
     SRC += ps2.c \
            ps2_mouse.c
+    OPT_DEFS += -DPS2_MOUSE_ENABLE
+endif
+
+ifdef USB_EXTRA_ENABLE
+    OPT_DEFS += -DUSB_EXTRA_ENABLE
+endif
+
+ifdef USB_NKRO_ENABLE
+    OPT_DEFS += -DUSB_NKRO_ENABLE
+endif
+
+ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
+    OPT_DEFS += -DUSB_MOUSE_ENABLE
 endif
 
+
 include $(COMMON_DIR)/Makefile.rules