From ba994bf0201d11a2cebb462d2144f691ef606abe Mon Sep 17 00:00:00 2001
From: Liliana Marie Prikler <liliana.prikler@gmail.com>
Date: Sun, 22 Mar 2026 16:33:50 +0100
Subject: [PATCH] gnu: emacs: Add lexical binding cookies.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* gnu/packages/emacs.scm (emacs-minimal)[#:phases]<install-c-source>
<install-site-start>: Add “;; -*- lexical-binding: t; -*-” at the top of the
generated files.
* gnu/packages/aux-files/emacs/comp-integrity.el: Likewise.
---
 gnu/packages/aux-files/emacs/comp-integrity.el | 1 +
 gnu/packages/emacs.scm                         | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/gnu/packages/aux-files/emacs/comp-integrity.el b/gnu/packages/aux-files/emacs/comp-integrity.el
index a53b9dcc5f..1aa82384e0 100644
--- a/gnu/packages/aux-files/emacs/comp-integrity.el
+++ b/gnu/packages/aux-files/emacs/comp-integrity.el
@@ -1,3 +1,4 @@
+;; -*- lexical-binding: t; -*-
 (require 'ert)
 
 (eval-when-compile
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 54c6436c58..9ab204ffc2 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -386,6 +386,7 @@
                   (lambda ()
                     (display
                      (string-append
+                      ";; -*- lexical-binding: t; -*-\n"
                       "(setq find-function-C-source-directory \"" dest "\")\n\n"
                       "(provide 'guix-emacs-c-source)")))))))
           (add-after 'install 'install-site-start
@@ -412,6 +413,7 @@
                   (lambda ()
                     (display
                      (string-append
+                      ";; -*- lexical-binding: t; -*-\n"
                       "(when (require 'guix-emacs nil t)\n"
                       "  (guix-emacs-autoload-packages 'no-reload)\n"
                       "  (advice-add 'package-load-all-descriptors"