tup: fix typo;
@@ -37,8 +37,8 @@ CFLAGS_@(OPENXR) += -DLOVR_USE_OPENXR
CFLAGS_@(OCULUS) += -DLOVR_USE_OCULUS
CFLAGS_@(OCULUS) += -I@(OCULUS_PATH)/LibOVR/Include
CFLAGS_@(VRAPI) += -DLOVR_USE_OCULUS_MOBILE
-CFLAGS_@(WEBVR) += LOVR_USE_WEBVR
-CFLAGS_@(LEAP) += LOVR_USE_LEAP
+CFLAGS_@(WEBVR) += -DLOVR_USE_WEBVR
+CFLAGS_@(LEAP) += -DLOVR_USE_LEAP
## Platforms
# A little gnarly, but basically you can set CONFIG_PLATFORM to pick a specific one, otherwise
