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fix(native_comp): automatically delete invalid *.eln files on startup

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If native compilation is interrupted by quitting Emacs, or if it
otherwise fails, it can leave empty *.eln files behind which have a zero
byte file size.

Any such files will prevent Emacs from launching if not removed. This
automates the removal of those files.
This commit is contained in:
Jim Myhrberg
2020-08-20 22:14:42 +01:00
parent dccb57747e
commit cb86a6721f
1 changed files with 8 additions and 2 deletions
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10
early-init.el
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@@ -11,8 +11,14 @@
comp-deferred-compilation t)
(when (boundp 'comp-eln-load-path)
(add-to-list 'comp-eln-load-path
(expand-file-name "cache/eln-cache/" user-emacs-directory)))
(let ((eln-cache-dir (expand-file-name "cache/eln-cache/" user-emacs-directory))
(find-exec (executable-find "find")))
(add-to-list 'comp-eln-load-path eln-cache-dir)
;; Quitting emacs while native compilation in progress can leave zero byte
;; sized *.eln files behind. Hence delete such files during startup.
(when find-exec
(call-process find-exec nil nil nil eln-cache-dir
"-name" "*.eln" "-size" "0" "-delete"))))
;; Defer garbage collection further back in the startup process
(setq gc-cons-threshold most-positive-fixnum)