move PREF_JS_EXPORTS logic into config/makefiles/pref-js.mk makefile include can be conditional on $(PREF_JS_EXPORTS) add unit tests libs:: $(PREF_JS_EXPORTS) rule can be rewritten in terms of dependencies so Preprocessor.py will only regenerate the target when sources change.
This is half obsoleted by bug 770426
(In reply to Mike Hommey [:glandium] from comment #1) > This is half obsoleted by bug 770426 Unit tests will be needed and some of the logic can be refactored out of rules.mk into separate makefiles.
Status: NEW → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → WONTFIX
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