Example failure log: http://buildbot.instantbird.org/builders/win32-nightly-default/builds/1432/steps/compile/logs/stdio Traceback (most recent call last): File "c:\mozilla-build\python\Lib\runpy.py", line 162, in _run_module_as_main "__main__", fname, loader, pkg_name) File "c:\mozilla-build\python\Lib\runpy.py", line 72, in _run_code exec code in run_globals File "d:\bb-slave\win32\build\mozilla\python\mozbuild\mozbuild\action\webidl.py", line 17, in <module> sys.exit(main(sys.argv[1:])) File "d:\bb-slave\win32\build\mozilla\python\mozbuild\mozbuild\action\webidl.py", line 12, in main manager = BuildSystemWebIDL.from_environment().manager File "d:\bb-slave\win32\build\mozilla\python\mozbuild\mozbuild\base.py", line 181, in from_environment raise ObjdirMismatchException(topobjdir, _config_topobjdir) mozbuild.base.ObjdirMismatchException: Objdir mismatch: d:\bb-slave\win32\obj-instantbird\mozilla != d:\bb-slave\win32\obj-instantbird mozmake[5]: *** [codegen.pp] Error 1 mozmake[4]: *** [dom/bindings/export] Error 2 mozmake[3]: *** [export] Error 2 mozmake[2]: *** [default] Error 2 mozmake[1]: *** [default] Error 2 mozmake: *** [build] Error 2

This might be related to bug 1035099.

I'm also seeing this on my Windows Thunderbird debug builds.

(In reply to aleth [:aleth] from comment #1) > This might be related to bug 1035099. Yes. If I remove attachment 8451490 [details] [diff] [review], I can compile TB again.