I'm guessing it's from this line being removed: https://hg.mozilla.org/mozilla-central/diff/bbbbe75fe234c5737cfc95783c607ac94f95c22d/toolkit/mozapps/defaultagent/moz.build#l1.25
Bug 1884744 Comment 0 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
https://treeherder.mozilla.org/logviewer?job_id=450351405&repo=try&lineNumber=43228 ``` INFO - In file included from Unified_cpp_defaultagent0.cpp:74: INFO - /builds/worker/checkouts/gecko/toolkit/mozapps/defaultagent/ScheduledTask.cpp(16,10): fatal error: 'readstrings.h' file not found INFO - 16 | #include "readstrings.h" INFO - | ^~~~~~~~~~~~~~~ INFO - 1 error generated. ``` I'm guessing it's from this line being removed: https://hg.mozilla.org/mozilla-central/diff/bbbbe75fe234c5737cfc95783c607ac94f95c22d/toolkit/mozapps/defaultagent/moz.build#l1.25