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diff --git a/nonguix/build/chromium-binary-build-system.scm b/nonguix/build/chromium-binary-build-system.scm
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+;;; SPDX-License-Identifier: GPL-3.0-or-later
+;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
+
+(define-module (nonguix build chromium-binary-build-system)
+  #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+  #:use-module ((nonguix build binary-build-system) #:prefix binary:)
+  #:use-module (guix build utils)
+  #:use-module (ice-9 ftw)
+  #:use-module (ice-9 match)
+  #:export (%standard-phases
+            chromium-binary-build))
+
+;; Commentary:
+;;
+;; Builder-side code of the Chromium binary build procedure.
+;;
+;; Code:
+
+(define* (install-wrapper #:key inputs outputs #:allow-other-keys)
+  (let* ((output (assoc-ref outputs "out"))
+         (bin (string-append output "/bin"))
+         (fontconfig-minimal (assoc-ref inputs "fontconfig"))
+         (nss (assoc-ref inputs "nss"))
+         (wrap-inputs (map cdr inputs))
+         (lib-directories
+          (search-path-as-list '("lib") wrap-inputs))
+         (bin-directories
+          (search-path-as-list
+           '("bin" "sbin" "libexec")
+           wrap-inputs)))
+    (for-each
+     (lambda (exe)
+       (display (string-append "Wrapping " exe "\n"))
+       (wrap-program exe
+        `("FONTCONFIG_PATH" ":" prefix
+          (,(string-join
+             (list
+              (string-append fontconfig-minimal "/etc/fonts")
+              output)
+             ":")))
+        `("PATH" ":" prefix
+          (,(string-join
+             (append
+              bin-directories
+              (list
+               bin))
+             ":")))
+        `("LD_LIBRARY_PATH" ":" prefix
+          (,(string-join
+             (append
+              lib-directories
+              (list
+               (string-append nss "/lib/nss")
+               output))
+             ":")))))
+     (map
+      (lambda (exe) (string-append bin "/" exe))
+      (filter
+       (lambda (exe) (not (string-prefix? "." exe)))
+       (scandir bin))))
+    #t))
+
+(define %standard-phases
+  ;; Everything is as with the binary-build-system except for the
+  ;; `install-wrapper' phase.
+  (modify-phases binary:%standard-phases
+    (add-after 'install 'install-wrapper install-wrapper)))
+
+(define* (chromium-binary-build #:key inputs (phases %standard-phases)
+                       #:allow-other-keys #:rest args)
+  "Build the given package, applying all of PHASES in order."
+  (apply gnu:gnu-build #:inputs inputs #:phases phases args))
+
+;;; chromium-binary-build-system.scm ends here