The toolkit/components/places/moz.build file has 'nsITaggingService.idl ', in XPIDL_SOURCES. The extraneous space in the filename should be removed.
Created attachment 767233 [details] [diff] [review] Remove extraneous space from moz.build file
Should we make the moz.build reader error on leading or trailing spaces?
(In reply to Ted Mielczarek [:ted.mielczarek] from comment #4) > Should we make the moz.build reader error on leading or trailing spaces? There's a whole layer of validation we could be performing in emitter.py that we currently don't. Add this to the long list of things we'll likely do some day.