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From: | Gregory Heytings |
Subject: | bug#48117: 28.0.50; Update of loaddefs.el during normal build is unreliable |
Date: | Mon, 03 May 2021 08:41:49 +0000 |
Another idea, FWIW: In the make rule for $(lisp)/loaddefs.el, if loaddefs.el exists and is older than ldefs-boot.el, start by copying the latter to the former. This ought to limit how outdated loaddefs can get?BTW, I think this might actually make things worse in terms of detecting new secondary loaddefs files like texinfo-loaddefs (not that those happen very often), by bumping the timestamp on the primary loaddefs.
Which is one of the reasons why I still believe that my proposed solution is better: whenever lisp/ldefs-boot.el is more recent than lisp/loaddefs.el, issue a warning when make is invoked to suggest the regeneration of _all_ autoload files, and add a command to do this in the main Makefile: make autoloads would do find -name '*loaddefs.el' -delete && make -C lisp autoloads. In theory this should have the same effect as make -C lisp autoloads-force, but that command is only marginally faster, and I much prefer the clarity / determinicity of a "delete all and regenerate" operation.
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