Tags: patch


See emacs-devel thread https://lists.gnu.org/archive/html/emacs-devel/2025-09/msg00389.html

This allows calls like (locate-library "term/xterm") made by
tty-run-terminal-initialization to be optimized for long
load-paths.

* lisp/startup.el (load-path-filter-cache-directory-files):
Filter on the directory of multi-component file names, and
handle nil PREFIXES.
* src/lread.c (Flocate_file_internal): Call
load-path-filter-function.
* test/lisp/startup-tests.el
(startup-tests/load-path-filter-cache-directory-files): Add.

In GNU Emacs 30.1.90 (build 53, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.15.12, Xaw scroll bars) of 2025-09-12 built on
 igm-qws-u22796a
Repository revision: 40acab314a5c157ac30d65e6c7939f925c8205b7
Repository branch: emacs-30
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: Rocky Linux 8.10 (Green Obsidian)

Configured using:
 'configure --with-x-toolkit=lucid --without-gpm --without-gconf
 --without-selinux --without-imagemagick --with-modules --with-gif=no
 --with-cairo --with-rsvg --without-compress-install --with-tree-sitter
 --with-native-compilation=aot
 PKG_CONFIG_PATH=/usr/local/home/garnish/libtree-sitter/0.22.6-1/lib/pkgconfig/'