If the same IDL file exists in - $(BUILT_PRODUCTS_DIR)/usr/local/include/WebKitAdditions - $(SDKROOT)/usr/local/include/WebKitAdditions - $(WebCore)/*/*.idl we should ensure that the IDL file used for compiling is the first one found, not the last one found.
Created attachment 422589 [details] Patch
Committed r274093: <https://commits.webkit.org/r274093> All reviewed patches have been landed. Closing bug and clearing flags on attachment 422589 [details].
<rdar://problem/75182286>