Subject: Re: [bug#28004] [PATCH] gnu: Add ungoogled-chromium.

From: swedebugia <[email-masked]>
Date: Tue, 05 Feb 2019 06:22:44 +0100

Marius Bakke <[email-masked]> skrev: (2 februari 2019 20:20:23 CET)
>Thanks to Marks beautiful "computed-origin-method", Ungoogled-Chromium
>is finally ready for inclusion in Guix.
>
>Features:
>* Chromium 72.
>* No unsolicited network traffic.
>* Free software only.
>* No DRM.
>* Not an April Fools joke.
>
>It's currently using my trivial "fork" of Ungoogled-Chromium[0], which
>will be upstreamed once the upstream reorganization[1] is done.
>
>Comments appreciated!
>
>[0]:
>https://github.com/mbakke/ungoogled-chromium/commit/f9b9074c322a67b04baf0982797cd7b7e09614b5
>[1]: https://github.com/Eloston/ungoogled-chromium/issues/651
>
>* gnu/packages/aux-files/chromium/master-preferences.json,
>gnu/packages/chromium.scm: New files.
>* gnu/local.mk (GNU_SYSTEM_MODULES): Adjust accordingly.
>---
> gnu/local.mk                                  |   1 +
> .../chromium/master-preferences.json          |  26 +
> gnu/packages/chromium.scm                     | 741 ++++++++++++++++++
> 3 files changed, 768 insertions(+)
>create mode 100644
>gnu/packages/aux-files/chromium/master-preferences.json
> create mode 100644 gnu/packages/chromium.scm
>
>diff --git a/gnu/local.mk b/gnu/local.mk
>index 82db1488d6..b5e937cdd7 100644
>--- a/gnu/local.mk
>+++ b/gnu/local.mk
>@@ -100,6 +100,7 @@ GNU_SYSTEM_MODULES =				\
>   %D%/packages/check.scm			\
>   %D%/packages/chemistry.scm			\
>   %D%/packages/chez.scm				\
>+  %D%/packages/chromium.scm			\
>   %D%/packages/ci.scm				\
>   %D%/packages/cinnamon.scm			\
>   %D%/packages/clojure.scm			\
>diff --git a/gnu/packages/aux-files/chromium/master-preferences.json
>b/gnu/packages/aux-files/chromium/master-preferences.json
>new file mode 100644
>index 0000000000..0caa7cc4cd
>--- /dev/null
>+++ b/gnu/packages/aux-files/chromium/master-preferences.json
>@@ -0,0 +1,26 @@
>+{
>+  "distribution": {
>+     "import_bookmarks": false,
>+     "make_chrome_default": false,
>+     "make_chrome_default_for_user": false,
>+     "verbose_logging": true,
>+     "skip_first_run_ui": true,
>+     "suppress_first_run_default_browser_prompt": true
>+  },
>+  "browser": {
>+     "has_seen_welcome_page" : true,
>+     "check_default_browser" : false
>+  },
>+  "dns_prefetching": {
>+    "enabled": false
>+  },
>+  "alternate_error_pages": {
>+    "enabled": false
>+  },
>+  "hardware": {
>+    "audio_capture_enabled": false
>+  },
>+  "default_apps": "noinstall",
>+  "hide_web_store_icon": true,
>+  "homepage": "https://www.gnu.org/software/guix"
>+}
>diff --git a/gnu/packages/chromium.scm b/gnu/packages/chromium.scm
>new file mode 100644
>index 0000000000..eb404246d3
>--- /dev/null
>+++ b/gnu/packages/chromium.scm
>@@ -0,0 +1,741 @@
>+;;; GNU Guix --- Functional package management for GNU
>+;;; Copyright © 2019 Marius Bakke <[email-masked]>
>+;;;
>+;;; GNU Guix is free software; you can redistribute it and/or modify
>it
>+;;; under the terms of the GNU General Public License as published by
>+;;; the Free Software Foundation; either version 3 of the License, or
>(at
>+;;; your option) any later version.
>+;;;
>+;;; GNU Guix is distributed in the hope that it will be useful, but
>+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
>+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>+;;; GNU General Public License for more details.
>+;;;
>+;;; You should have received a copy of the GNU General Public License
>+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
>+
>+(define-module (gnu packages chromium)
>+  #:use-module ((guix licenses) #:prefix license:)
>+  #:use-module (guix packages)
>+  #:use-module (guix gexp)
>+  #:use-module (guix store)
>+  #:use-module (guix monads)
>+  #:use-module (guix download)
>+  #:use-module (guix git-download)
>+  #:use-module (guix utils)
>+  #:use-module (guix build-system gnu)
>+  #:use-module (gnu packages)
>+  #:use-module (gnu packages assembly)
>+  #:use-module (gnu packages base)
>+  #:use-module (gnu packages bison)
>+  #:use-module (gnu packages build-tools)
>+  #:use-module (gnu packages compression)
>+  #:use-module (gnu packages cups)
>+  #:use-module (gnu packages curl)
>+  #:use-module (gnu packages fontutils)
>+  #:use-module (gnu packages gcc)
>+  #:use-module (gnu packages ghostscript)
>+  #:use-module (gnu packages gl)
>+  #:use-module (gnu packages glib)
>+  #:use-module (gnu packages gnome)
>+  #:use-module (gnu packages gnuzilla)
>+  #:use-module (gnu packages gperf)
>+  #:use-module (gnu packages gtk)
>+  #:use-module (gnu packages icu4c)
>+  #:use-module (gnu packages image)
>+  #:use-module (gnu packages libevent)
>+  #:use-module (gnu packages libffi)
>+  #:use-module (gnu packages linux)
>+  #:use-module (gnu packages kerberos)
>+  #:use-module (gnu packages ninja)
>+  #:use-module (gnu packages node)
>+  #:use-module (gnu packages pciutils)
>+  #:use-module (gnu packages pkg-config)
>+  #:use-module (gnu packages pulseaudio)
>+  #:use-module (gnu packages python)
>+  #:use-module (gnu packages python-web)
>+  #:use-module (gnu packages python-xyz)
>+  #:use-module (gnu packages regex)
>+  #:use-module (gnu packages serialization)
>+  #:use-module (gnu packages speech)
>+  #:use-module (gnu packages tls)
>+  #:use-module (gnu packages valgrind)
>+  #:use-module (gnu packages vulkan)
>+  #:use-module (gnu packages video)
>+  #:use-module (gnu packages xiph)
>+  #:use-module (gnu packages xml)
>+  #:use-module (gnu packages xdisorg)
>+  #:use-module (gnu packages xorg))
>+
>+(define %preserved-third-party-files
>+  '("base/third_party/dmg_fp" ;X11-style
>+    "base/third_party/dynamic_annotations" ;BSD-2
>+    "base/third_party/icu" ;Unicode, X11-style
>+    "base/third_party/superfasthash" ;BSD-3
>+    "base/third_party/symbolize" ;BSD-3
>+    "base/third_party/xdg_mime" ;LGPL2.1+ or Academic 2.0
>+    "base/third_party/xdg_user_dirs" ;Expat
>+    "chrome/third_party/mozilla_security_manager"
>;MPL-1.1/GPL2+/LGPL2.1+
>+    "courgette/third_party/bsdiff" ;BSD-2, BSD protection license
>+    "courgette/third_party/divsufsort" ;Expat
>+    "net/third_party/http2" ;BSD-3
>+    "net/third_party/mozilla_security_manager" ;MPL-1.1/GPL2+/LGPL2.1+
>+    "net/third_party/nss" ;MPL-2.0
>+    "net/third_party/quic" ;BSD-3
>+    "net/third_party/spdy" ;BSD-3
>+    "net/third_party/uri_template" ;ASL2.0
>+    "third_party/abseil-cpp" ;ASL2.0
>+    "third_party/adobe/flash/flapper_version.h" ;no license, trivial
>+    "third_party/angle" ;BSD-3
>+    "third_party/angle/src/common/third_party/base" ;BSD-3
>+    "third_party/angle/src/common/third_party/smhasher" ;Public domain
>+    "third_party/angle/src/common/third_party/xxhash" ;BSD-2
>+    "third_party/angle/src/third_party/compiler" ;BSD-2
>+    "third_party/angle/src/third_party/libXNVCtrl" ;Expat
>+    "third_party/angle/src/third_party/trace_event" ;BSD-3
>+    "third_party/angle/third_party/glslang" ;BSD-3
>+    "third_party/angle/third_party/spirv-headers" ;Expat
>+    "third_party/angle/third_party/spirv-tools" ;Expat
>+    "third_party/angle/third_party/vulkan-headers" ;ASL2.0
>+    "third_party/angle/third_party/vulkan-loader" ;ASL2.0
>+    "third_party/angle/third_party/vulkan-tools" ;ASL2.0
>+    "third_party/angle/third_party/vulkan-validation-layers" ;ASL2.0
>+    "third_party/apple_apsl" ;APSL2.0
>+    "third_party/blink" ;BSD-3
>+    "third_party/boringssl" ;OpenSSL/ISC (Google additions are ISC)
>+    "third_party/boringssl/src/third_party/fiat" ;Expat
>+    "third_party/breakpad" ;BSD-3
>+    "third_party/brotli" ;Expat
>+    "third_party/cacheinvalidation" ;ASL2.0
>+    "third_party/catapult" ;BSD-3
>+    "third_party/catapult/common/py_vulcanize/third_party/rcssmin"
>;ASL2.0
>+    "third_party/catapult/common/py_vulcanize/third_party/rjsmin"
>;ASL2.0
>+    "third_party/catapult/third_party/polymer" ;BSD-3
>+    "third_party/catapult/tracing/third_party/d3" ;BSD-3
>+    "third_party/catapult/tracing/third_party/gl-matrix" ;Expat
>+    "third_party/catapult/tracing/third_party/jszip" ;Expat or GPL3
>+    "third_party/catapult/tracing/third_party/mannwhitneyu" ;Expat
>+    "third_party/catapult/tracing/third_party/oboe" ;BSD-2
>+    "third_party/catapult/tracing/third_party/pako" ;Expat
>+    "third_party/ced" ;BSD-3
>+    "third_party/cld_3" ;ASL2.0
>+    "third_party/closure_compiler" ;ASL2.0
>+    "third_party/crashpad" ;ASL2.0
>+    "third_party/crashpad/crashpad/third_party/zlib/zlib_crashpad.h"
>;Zlib
>+    "third_party/crc32c" ;BSD-3
>+    "third_party/cros_system_api" ;BSD-3
>+    "third_party/dom_distiller_js" ;BSD-3
>+    "third_party/fips181" ;BSD-3
>+    "third_party/flatbuffers" ;ASL2.0
>+    "third_party/google_input_tools" ;ASL2.0
>+    "third_party/google_input_tools/third_party/closure_library"
>;ASL2.0
>+   
>"third_party/google_input_tools/third_party/closure_library/third_party/closure"
>;Expat
>+    "third_party/googletest" ;BSD-3
>+    "third_party/hunspell" ;MPL1.1/GPL2+/LGPL2.1+
>+    "third_party/iccjpeg" ;IJG
>+    "third_party/inspector_protocol" ;BSD-3
>+    "third_party/jinja2" ;BSD-3
>+    "third_party/jstemplate" ;ASL2.0
>+    "third_party/khronos" ;Expat, SGI
>+    "third_party/leveldatabase" ;BSD-3
>+    "third_party/libXNVCtrl" ;Expat
>+    "third_party/libaddressinput" ;ASL2.0
>+    "third_party/libaom" ;BSD-2 or "Alliance for Open Media Patent
>License 1.0"
>+    "third_party/libaom/source/libaom/third_party/vector" ;Expat
>+    "third_party/libaom/source/libaom/third_party/x86inc" ;ISC
>+    "third_party/libjingle_xmpp" ;BSD-3
>+    "third_party/libphonenumber" ;ASL2.0
>+    "third_party/libsecret" ;LGPL2.1+
>+    "third_party/libsrtp" ;BSD-3
>+    "third_party/libsync" ;ASL2.0
>+    "third_party/libudev" ;LGPL2.1+
>+    "third_party/libwebm" ;BSD-3
>+    "third_party/libxml/chromium" ;BSD-3
>+    "third_party/libyuv" ;BSD-3
>+    "third_party/lss" ;BSD-3
>+    "third_party/markupsafe" ;BSD-3
>+    "third_party/mesa_headers" ;Expat, SGI
>+    "third_party/metrics_proto" ;BSD-3
>+    "third_party/modp_b64" ;BSD-3
>+    "third_party/nasm" ;BSD-2
>+    "third_party/node" ;Expat
>+   
>"third_party/node/node_modules/polymer-bundler/lib/third_party/UglifyJS2"
>;BSD-2
>+    "third_party/ots" ;BSD-3
>+    "third_party/pdfium" ;BSD-3
>+    "third_party/pdfium/third_party/agg23" ;Expat
>+    "third_party/pdfium/third_party/base" ;BSD-3
>+    "third_party/pdfium/third_party/bigint" ;Public domain, BSD-3
>+    "third_party/pdfium/third_party/skia_shared" ;BSD-3
>+    "third_party/pdfium/third_party/freetype/include/pstables.h"
>;FreeType
>+    "third_party/ply" ;BSD-3
>+    "third_party/polymer" ;BSD-3
>+    "third_party/protobuf" ;BSD-3
>+    "third_party/protobuf/third_party/six" ;Expat
>+    "third_party/pyjson5" ;ASL2.0
>+    "third_party/qcms" ;Expat
>+    "third_party/rnnoise" ;BSD-3
>+    "third_party/s2cellid" ;ASL2.0
>+    "third_party/sfntly" ;ASL2.0
>+    "third_party/skia" ;BSD-3
>+    "third_party/skia/third_party/gif" ;MPL1.1/GPL2+/LGPL2.1+
>+    "third_party/skia/third_party/skcms" ;BSD-3
>+    "third_party/skia/third_party/vulkan" ;BSD-3
>+    "third_party/smhasher" ;Expat, public domain
>+    "third_party/speech-dispatcher" ;GPL2+
>+    "third_party/spirv-headers" ;ASL2.0
>+    "third_party/SPIRV-Tools" ;ASL2.0
>+    "third_party/sqlite" ;Public domain
>+    "third_party/ungoogled" ;BSD-3
>+    "third_party/usb_ids" ;BSD-3
>+    "third_party/usrsctp" ;BSD-2
>+    "third_party/web-animations-js" ;ASL2.0
>+    "third_party/webdriver" ;ASL2.0
>+    "third_party/webrtc" ;BSD-3
>+    "third_party/webrtc/common_audio/third_party/fft4g" ;Non-copyleft
>+    "third_party/webrtc/common_audio/third_party/spl_sqrt_floor"
>;Public domain
>+    "third_party/webrtc/modules/third_party/fft" ;Non-copyleft
>+    "third_party/webrtc/modules/third_party/g711" ;Public domain
>+    "third_party/webrtc/modules/third_party/g722" ;Public domain
>+    "third_party/webrtc/rtc_base/third_party/base64" ;Non-copyleft
>+    "third_party/webrtc/rtc_base/third_party/sigslot" ;Public domain
>+    "third_party/widevine/cdm/widevine_cdm_version.h" ;BSD-3
>+    "third_party/widevine/cdm/widevine_cdm_common.h" ;BSD-3
>+    "third_party/woff2" ;ASL2.0
>+    "third_party/xdg-utils" ;Expat
>+    "third_party/yasm/run_yasm.py" ;BSD-2 or BSD-3
>+    "third_party/zlib/google" ;BSD-3
>+    "url/third_party/mozilla" ;BSD-3, MPL1.1/GPL2+/LGPL2.1+
>+    "v8/src/third_party/utf8-decoder" ;Expat
>+    "v8/src/third_party/valgrind" ;BSD-4
>+    "v8/third_party/inspector_protocol" ;BSD-3
>+    "v8/third_party/v8/builtins")) ;PSFL
>+
>+(define* (computed-origin-method gexp-promise hash-algo hash
>+                                 #:optional (name "source")
>+                                 #:key (system (%current-system))
>+                                 (guile (default-guile)))
>+  "Return a derivation that executes the G-expression that results
>+from forcing GEXP-PROMISE."
>+  (mlet %store-monad ((guile (package->derivation guile system)))
>+    (gexp->derivation (or name "computed-origin")
>+                      (force gexp-promise)
>+                      #:system system
>+                      #:guile-for-build guile)))
>+
>+(define %chromium-version "72.0.3626.81")
>+(define %ungoogled-revision
>"f9b9074c322a67b04baf0982797cd7b7e09614b5")
>+
>+;; This is a computed origin that does the following:
>+;; 1) Runs the Ungoogled scripts on a pristine Chromium tarball.
>+;; 2) Prunes all third_party folders that are not explicitly
>preserved.
>+;; 3) Adjusts "GN" build files such that system libraries are
>preferred.
>+(define ungoogled-chromium-source
>+  (let* ((chromium-source
>+          (origin
>+            (method url-fetch)
>+            (uri (string-append
>"https://commondatastorage.googleapis.com"
>+                                "/chromium-browser-official/chromium-"
>+                                %chromium-version ".tar.xz"))
>+            (sha256
>+             (base32
>+             
>"01l0vlvcckpag376mjld7qprv63l0z8li689k0h6v3h0i7irzs6z"))))
>+         (ungoogled-source
>+          (origin
>+            (method git-fetch)
>+            (uri (git-reference (url
>"https://github.com/mbakke/ungoogled-chromium")
>+                                (commit %ungoogled-revision)))
>+            (file-name (git-file-name "ungoogled-chromium"
>+                                      (string-take %ungoogled-revision
>7)))
>+            (sha256
>+             (base32
>+             
>"0gmk1n3i7lbm7rw8zl4df171yhvrlimj8ksj096bf2dlfhbd44rb")))))
>+
>+    (origin
>+      (method computed-origin-method)
>+      (file-name (string-append "ungoogled-chromium-"
>%chromium-version ".tar.xz"))
>+      (sha256 #f)
>+      (uri
>+       (delay
>+         (with-imported-modules '((guix build utils))
>+           #~(begin
>+               (use-modules (guix build utils))
>+               (let ((chromium-dir    (string-append "chromium-"
>#$%chromium-version))
>+                     (preserved-files (list
>#$@%preserved-third-party-files)))
>+
>+                 (mkdir "/tmp/bin")
>+                 (set-path-environment-variable
>+                  "PATH" '("bin")
>+                  (list "/tmp"
>+                        #+(canonical-package patch)
>+                        #+(canonical-package xz)
>+                        #+(canonical-package tar)
>+                        #+python-2
>+                        #+python))
>+
>+                 (copy-recursively #+ungoogled-source
>"/tmp/ungoogled")
>+
>+                 (with-directory-excursion "/tmp/ungoogled"
>+
>+                   (format #t "Unpacking chromium tarball...~%")
>+                   (force-output)
>+                   (invoke "tar" "xf" #+chromium-source)
>+
>+                   (format #t "Ungooglifying...~%")
>+                   (force-output)
>+                   (invoke "python3" "run_buildkit_cli.py" "prune"
>+                           "-b" "config_bundles/guix" chromium-dir)
>+                   (invoke "python3" "run_buildkit_cli.py" "patches"
>"apply"
>+                           "-b" "config_bundles/guix" chromium-dir)
>+                   (invoke "python3" "run_buildkit_cli.py" "domains"
>"apply"
>+                           "-b" "config_bundles/linux_rooted"
>+                           "-c" "/tmp/domainscache.tar.gz"
>chromium-dir)
>+
>+                   (with-directory-excursion chromium-dir
>+                     (format #t "Pruning third party files...~%")
>+                     (force-output)
>+                     (apply invoke "python"
>+                            
>"build/linux/unbundle/remove_bundled_libraries.py"
>+                             "--do-remove" preserved-files)
>+
>+                     (format #t "Replacing GN files...~%")
>+                     (force-output)
>+                     (invoke "python3"
>"build/linux/unbundle/replace_gn_files.py"
>+                             "--system-libraries" "ffmpeg" "flac"
>"fontconfig"
>+                             "freetype" "harfbuzz-ng" "icu" "libdrm"
>"libevent"
>+                             "libjpeg" "libpng" "libvpx" "libwebp"
>"libxml"
>+                             "libxslt" "openh264" "opus" "re2"
>"snappy" "yasm"
>+                             "zlib"))
>+
>+                   (format #t (string-append "Packing new Ungoogled
>tarball ...~%"))
>+                   (force-output)
>+                   (invoke "tar" "cvfa" #$output
>+                           ;; Avoid non-determinism in the archive.
>+                           "--mtime=@0"
>+                           "--owner=root:0"
>+                           "--group=root:0"
>+                           "--sort=name"
>+                           chromium-dir)
>+
>+                   #t)))))))))
>+
>+(define opus+custom
>+  (package/inherit opus
>+    (name "opus+custom")
>+    (arguments
>+     (substitute-keyword-arguments (package-arguments opus)
>+       ((#:configure-flags flags ''())
>+        ;; Opus Custom is an optional extension of the Opus
>+        ;; specification that allows for unsupported frame
>+        ;; sizes.  Chromium requires that this is enabled.
>+        `(cons "--enable-custom-modes"
>+               ,flags))))))
>+
>+(define libvpx/chromium
>+  ;; Chromium 66 and later requires an unreleased libvpx, so we take
>the
>+  ;; commit from "third_party/libvpx/README.chromium" in the tarball.
>+  (let ((version (package-version libvpx))
>+        (commit "e188b5435de71bcd602c378f1ac0441111f0f915")
>+        (revision "0"))
>+    (package/inherit libvpx
>+      (name "libvpx-chromium")
>+      (version (git-version version revision commit))
>+      (source (origin
>+                (method git-fetch)
>+                (uri (git-reference
>+                      (url
>"https://chromium.googlesource.com/webm/libvpx")
>+                      (commit commit)))
>+                (file-name (git-file-name name version))
>+                (sha256
>+                 (base32
>+                 
>"0v7lzvgy45zh7zwzmmzkvbcqmhs4xa97z0h97hd3j6myrxcfz1n9")))))))
>+
>+;; Transitional package until HarfBuzz 2.2 is available in Guix master
>branch.
>+(define harfbuzz/chromium
>+  (package/inherit harfbuzz
>+    (version "2.2.0")
>+    (source (origin
>+              (inherit (package-source harfbuzz))
>+              (uri (string-append
>"https://www.freedesktop.org/software/harfbuzz"
>+                                  "/release/harfbuzz-" version
>".tar.bz2"))
>+              (sha256
>+               (base32
>+               
>"047q63jr513azf3g1y7f5xn60b4jdjs9zsmrx04sfw5rasyzrk5p"))))))
>+
>+(define-public ungoogled-chromium
>+  (package
>+    (name "ungoogled-chromium")
>+    (version %chromium-version)
>+    (synopsis "Graphical web browser")
>+    (source ungoogled-chromium-source)
>+    (build-system gnu-build-system)
>+    (arguments
>+     `(#:tests? #f
>+       ;; FIXME: There is a "gn" option specifically for setting
>-rpath, but
>+       ;; it overrides the RUNPATH set by the linker.
>+       #:validate-runpath? #f
>+       #:modules ((guix build gnu-build-system)
>+                  (guix build utils)
>+                  (ice-9 ftw)
>+                  (ice-9 regex)
>+                  (srfi srfi-26))
>+       #:configure-flags
>+       ;; See tools/gn/docs/cookbook.md and
>+       ;; https://www.chromium.org/developers/gn-build-configuration
>+       ;; for usage.  Run "./gn args . --list" in the Release
>+       ;; directory for an exhaustive list of supported flags.
>+       ;; (Note: The 'configure' phase will do that for you.)
>+       (list "is_debug=false"
>+             "use_gold=false"
>+             "use_lld=false"
>+             "linux_use_bundled_binutils=false"
>+             "use_custom_libcxx=false"
>+             "use_sysroot=false"
>+             "enable_precompiled_headers=false"
>+             "goma_dir=\"\""
>+             "enable_nacl=false"
>+             "enable_nacl_nonsfi=false"
>+             "use_allocator=\"none\""   ;don't use tcmalloc
>+             "use_unofficial_version_number=false"
>+
>+             ;; Define a custom toolchain that simply looks up CC, AR
>and
>+             ;; friends from the environment.
>+            
>"custom_toolchain=\"//build/toolchain/linux/unbundle:default\""
>+            
>"host_toolchain=\"//build/toolchain/linux/unbundle:default\""
>+
>+             ;; Don't assume it's clang.
>+             "is_clang=false"
>+
>+             ;; Optimize for building everything at once, as opposed
>to
>+             ;; incrementally for development.  See "docs/jumbo.md".
>+             "use_jumbo_build=true"
>+
>+             ;; Disable type-checking for the Web UI to avoid a Java
>dependency.
>+             "closure_compile=false"
>+
>+             ;; Disable debugging features to save space.
>+             "blink_symbol_level=0"
>+             "enable_iterator_debugging=false"
>+
>+             ;; Some of the unbundled libraries throws deprecation
>+             ;; warnings, etc.  Ignore it.
>+             "treat_warnings_as_errors=false"
>+
>+             ;; Don't add any API keys.  End users can set them in the
>+             ;; environment if desired.  See
>+             ;;
><https://www.chromium.org/developers/how-tos/api-keys>.
>+             "use_official_google_api_keys=false"
>+
>+             ;; Disable "safe browsing", which pulls in a dependency
>on
>+             ;; the nonfree "unrar" program (as of m66).
>+             "safe_browsing_mode=0"
>+
>+             ;; Disable "field trials".
>+             "fieldtrial_testing_like_official_build=true"
>+
>+             ;; Ungoogled components.
>+             "enable_mdns=false"
>+             "enable_one_click_signin=false"
>+             "enable_reading_list=false"
>+             "enable_remoting=false"
>+             "enable_reporting=false"
>+             "enable_service_discovery=false"
>+             "enable_swiftshader=false"
>+             "use_vaapi=true"
>+
>+             ;; Use system libraries where possible.
>+             "use_system_freetype=true"
>+             "use_system_harfbuzz=true"
>+             "use_system_lcms2=true"
>+             "use_system_libdrm=true"
>+             "use_system_libjpeg=true"
>+             "use_system_libpng=true"
>+             ;;"use_system_libsync=true"
>+             "use_system_zlib=true"
>+
>+             "use_gnome_keyring=false"  ;deprecated by libsecret
>+             "use_openh264=true"
>+             "use_pulseaudio=true"
>+             "link_pulseaudio=true"
>+
>+             ;; Don't arbitrarily restrict formats supported by system
>ffmpeg.
>+             "proprietary_codecs=true"
>+             "ffmpeg_branding=\"Chrome\""
>+
>+             ;; WebRTC stuff.
>+             "rtc_use_h264=true"
>+             ;; Don't use bundled sources.
>+             "rtc_build_json=false"
>+             "rtc_build_libevent=false"
>+             "rtc_build_libvpx=false"
>+             "rtc_build_opus=false"
>+             "rtc_build_ssl=false"
>+
>+             "rtc_build_libsrtp=true"   ;FIXME: fails to find headers
>+             "rtc_build_usrsctp=true"   ;TODO: package this
>+             (string-append "rtc_jsoncpp_root=\""
>+                            (assoc-ref %build-inputs "jsoncpp")
>+                            "/include/jsoncpp/json\"")
>+             (string-append "rtc_ssl_root=\""
>+                            (assoc-ref %build-inputs "openssl")
>+                            "/include/openssl\""))
>+       #:phases
>+       (modify-phases %standard-phases
>+         (add-after 'unpack 'patch-stuff
>+           (lambda* (#:key inputs #:allow-other-keys)
>+             (substitute* "printing/cups_config_helper.py"
>+               (("cups_config =.*")
>+                (string-append "cups_config = '" (assoc-ref inputs
>"cups")
>+                               "/bin/cups-config'\n")))
>+
>+             (substitute*
>+                 '("base/process/launch_posix.cc"
>+                  
>"base/third_party/dynamic_annotations/dynamic_annotations.c"
>+                   "sandbox/linux/seccomp-bpf/sandbox_bpf.cc"
>+                   "sandbox/linux/services/credentials.cc"
>+                   "sandbox/linux/services/namespace_utils.cc"
>+                   "sandbox/linux/services/syscall_wrappers.cc"
>+                   "sandbox/linux/syscall_broker/broker_host.cc")
>+               (("include \"base/third_party/valgrind/") "include
>\"valgrind/"))
>+
>+             (for-each (lambda (file)
>+                         (substitute* file
>+                           ;; Fix opus include path.
>+                           ;; Do not substitute opus_private.h.
>+                           (("#include \"opus\\.h\"")
>+                            "#include \"opus/opus.h\"")
>+                           (("#include \"opus_custom\\.h\"")
>+                            "#include \"opus/opus_custom.h\"")
>+                           (("#include \"opus_defines\\.h\"")
>+                            "#include \"opus/opus_defines.h\"")
>+                           (("#include \"opus_multistream\\.h\"")
>+                            "#include \"opus/opus_multistream.h\"")
>+                           (("#include \"opus_types\\.h\"")
>+                            "#include \"opus/opus_types.h\"")))
>+                       (find-files (string-append
>"third_party/webrtc/modules"
>+                                                 
>"/audio_coding/codecs/opus")))
>+
>+             (substitute* "chrome/common/chrome_paths.cc"
>+               (("/usr/share/chromium/extensions")
>+                ;; TODO: Add ~/.guix-profile.
>+               
>"/run/current-system/profile/share/chromium/extensions"))
>+
>+             ;; XXX: Should be unnecessary when use_system_lcms2=true.
>+             (substitute*
>"third_party/pdfium/core/fxcodec/codec/ccodec_iccmodule.h"
>+               (("include \"third_party/lcms/include/lcms2\\.h\"")
>+                "include \"lcms2.h\""))
>+
>+             (substitute*
>+                
>"third_party/breakpad/breakpad/src/common/linux/libcurl_wrapper.h"
>+               (("include \"third_party/curl") "include \"curl"))
>+
>+             (substitute* "third_party/webrtc/rtc_base/strings/json.h"
>+               (("#include \"third_party/jsoncpp/") "#include
>\"json/"))
>+
>+             (substitute* "media/base/decode_capabilities.cc"
>+               (("third_party/libvpx/source/libvpx/") ""))
>+
>+             (substitute* "ui/gfx/skia_util.h"
>+               (("third_party/vulkan/include/") ""))
>+
>+             ;; Building chromedriver embeds some files using the ZIP
>+             ;; format which doesn't support timestamps before
>+             ;; 1980. Therefore, advance the timestamps of the files
>+             ;; which are included so that building chromedriver
>+             ;; works.
>+             (let ((circa-1980 (* 10 366 24 60 60)))
>+               (for-each (lambda (file)
>+                           (utime file circa-1980 circa-1980))
>+                        
>'("chrome/test/chromedriver/extension/background.js"
>+                          
>"chrome/test/chromedriver/extension/manifest.json")))
>+
>+             #t))
>+         (add-before 'configure 'prepare-build-environment
>+           (lambda* (#:key inputs #:allow-other-keys)
>+
>+             ;; Make sure the right build tools are used.
>+             (setenv "AR" "ar") (setenv "NM" "nm")
>+             (setenv "CC" "gcc") (setenv "CXX" "g++")
>+
>+             ;; Work around <https://bugs.gnu.org/30756>.
>+             (unsetenv "C_INCLUDE_PATH")
>+             (unsetenv "CPLUS_INCLUDE_PATH")
>+
>+             ;; TODO: pre-compile instead. Avoids a race condition.
>+             (setenv "PYTHONDONTWRITEBYTECODE" "1")
>+
>+             ;; XXX: How portable is this.
>+             (mkdir-p "third_party/node/linux/node-linux-x64")
>+             (symlink (string-append (assoc-ref inputs "node") "/bin")
>+                      "third_party/node/linux/node-linux-x64/bin")
>+
>+             #t))
>+         (replace 'configure
>+           (lambda* (#:key configure-flags #:allow-other-keys)
>+             (let ((args (string-join configure-flags " ")))
>+               ;; Generate ninja build files.
>+               (invoke "gn" "gen" "out/Release"
>+                       (string-append "--args=" args))
>+
>+               ;; Print the full list of supported arguments as well
>as
>+               ;; their current status for convenience.
>+               (format #t "Dumping configure flags...\n")
>+               (invoke "gn" "args" "out/Release" "--list"))))
>+         (replace 'build
>+           (lambda* (#:key outputs #:allow-other-keys)
>+             (invoke "ninja" "-C" "out/Release"
>+                     "-j" (number->string (parallel-job-count))
>+                     "chrome"
>+                     "chromedriver")))
>+         (replace 'install
>+           (lambda* (#:key inputs outputs #:allow-other-keys)
>+             (let* ((out            (assoc-ref outputs "out"))
>+                    (bin            (string-append out "/bin"))
>+                    (exe            (string-append bin "/chromium"))
>+                    (lib            (string-append out "/lib"))
>+                    (man            (string-append out
>"/share/man/man1"))
>+                    (applications   (string-append out
>"/share/applications"))
>+                    (install-regexp (make-regexp "\\.(bin|pak)$"))
>+                    (locales        (string-append lib "/locales"))
>+                    (resources      (string-append lib "/resources"))
>+                    (preferences    (assoc-ref inputs
>"master-preferences"))
>+                    (gtk+           (assoc-ref inputs "gtk+"))
>+                    (mesa           (assoc-ref inputs "mesa"))
>+                    (nss            (assoc-ref inputs "nss"))
>+                    (udev           (assoc-ref inputs "udev"))
>+                    (sh             (which "sh")))
>+
>+               (substitute* '("chrome/app/resources/manpage.1.in"
>+                             
>"chrome/installer/linux/common/desktop.template")
>+                 (("@@MENUNAME@@") "Chromium")
>+                 (("@@PACKAGE@@") "chromium")
>+                 (("/usr/bin/@@USR_BIN_SYMLINK_NAME@@") exe))
>+
>+               (mkdir-p man)
>+               (copy-file "chrome/app/resources/manpage.1.in"
>+                          (string-append man "/chromium.1"))
>+
>+               (mkdir-p applications)
>+               (copy-file
>"chrome/installer/linux/common/desktop.template"
>+                          (string-append applications
>"/chromium.desktop"))
>+
>+               (mkdir-p lib)
>+               (copy-file preferences (string-append lib
>"/master_preferences"))
>+
>+               (with-directory-excursion "out/Release"
>+                 (for-each (lambda (file)
>+                             (install-file file lib))
>+                           (scandir "." (cut regexp-exec
>install-regexp <>)))
>+                 (copy-file "chrome" (string-append lib "/chromium"))
>+
>+                 ;; TODO: Install icons from "../../chrome/app/themes"
>into
>+                 ;; "out/share/icons/hicolor/$size".
>+                 (install-file
>+                  "product_logo_48.png"
>+                  (string-append out
>"/share/icons/48x48/chromium.png"))
>+
>+                 (copy-recursively "locales" locales)
>+                 (copy-recursively "resources" resources)
>+
>+                 (mkdir-p bin)
>+                 (symlink "../lib/chromium" exe)
>+                 (install-file "chromedriver" bin)
>+
>+                 (wrap-program exe
>+                   ;; TODO: Get these in RUNPATH.
>+                   `("LD_LIBRARY_PATH" ":" prefix
>+                     (,(string-append lib ":" nss "/lib/nss:" gtk+
>"/lib:"
>+                                      mesa "/lib:" udev "/lib")))
>+                   ;; Avoid file manager crash.  See
><https://bugs.gnu.org/26593>.
>+                   `("XDG_DATA_DIRS" ":" prefix (,(string-append gtk+
>"/share"))))
>+                 #t)))))))
>+    (native-inputs
>+     `(("bison" ,bison)
>+       ("gcc" ,gcc-8)
>+       ("gn" ,gn)
>+       ("gperf" ,gperf)
>+       ("ninja" ,ninja)
>+       ("node" ,node)
>+       ("pkg-config" ,pkg-config)
>+       ("which" ,which)
>+       ("yasm" ,yasm)
>+
>+       ;; This file contains defaults for new user profiles.
>+       ("master-preferences" ,(local-file
>"aux-files/chromium/master-preferences.json"))
>+
>+       ("python-beautifulsoup4" ,python2-beautifulsoup4)
>+       ("python-html5lib" ,python2-html5lib)
>+       ("python" ,python-2)))
>+    (inputs
>+     `(("alsa-lib" ,alsa-lib)
>+       ("atk" ,atk)
>+       ("cups" ,cups)
>+       ("curl" ,curl)
>+       ("dbus" ,dbus)
>+       ("dbus-glib" ,dbus-glib)
>+       ("expat" ,expat)
>+       ("flac" ,flac)
>+       ("ffmpeg" ,ffmpeg)
>+       ("fontconfig" ,fontconfig)
>+       ("freetype" ,freetype)
>+       ("gdk-pixbuf" ,gdk-pixbuf)
>+       ("glib" ,glib)
>+       ("gtk+" ,gtk+)
>+       ("harfbuzz" ,harfbuzz/chromium)
>+       ("icu4c" ,icu4c)
>+       ("jsoncpp" ,jsoncpp)
>+       ("lcms" ,lcms)
>+       ("libevent" ,libevent)
>+       ("libffi" ,libffi)
>+       ("libjpeg-turbo" ,libjpeg-turbo)
>+       ("libpng" ,libpng)
>+       ("libva" ,libva)
>+       ("libvpx" ,libvpx/chromium)
>+       ("libwebp" ,libwebp)
>+       ("libx11" ,libx11)
>+       ("libxcb" ,libxcb)
>+       ("libxcomposite" ,libxcomposite)
>+       ("libxcursor" ,libxcursor)
>+       ("libxdamage" ,libxdamage)
>+       ("libxext" ,libxext)
>+       ("libxfixes" ,libxfixes)
>+       ("libxi" ,libxi)
>+       ("libxml2" ,libxml2)
>+       ("libxrandr" ,libxrandr)
>+       ("libxrender" ,libxrender)
>+       ("libxscrnsaver" ,libxscrnsaver)
>+       ("libxslt" ,libxslt)
>+       ("libxtst" ,libxtst)
>+       ("mesa" ,mesa)
>+       ("minizip" ,minizip)
>+       ("mit-krb5" ,mit-krb5)
>+       ("nss" ,nss)
>+       ("openh264" ,openh264)
>+       ("openjpeg" ,openjpeg)                          ;PDFium only
>+       ("openssl" ,openssl)
>+       ("opus" ,opus+custom)
>+       ("pango" ,pango)
>+       ("pciutils" ,pciutils)
>+       ("pulseaudio" ,pulseaudio)
>+       ("re2" ,re2)
>+       ("snappy" ,snappy)
>+       ("speech-dispatcher" ,speech-dispatcher)
>+       ("udev" ,eudev)
>+       ("valgrind" ,valgrind)
>+       ("vulkan-headers" ,vulkan-headers)))
>+    (home-page "https://www.chromium.org/")
>+    (description
>+     "Ungoogled-Chromium is the Chromium web browser, sans integration
>with
>+Google web services.")
>+    ;; Chromium is developed as BSD-3, but bundles a large number of
>third-party
>+    ;; components with other licenses.  For full information, see
>chrome://credits.
>+    (license (list license:bsd-3
>+                   license:bsd-2
>+                   license:expat
>+                   license:asl2.0
>+                   license:mpl1.1
>+                   license:mpl2.0
>+                   license:public-domain
>+                   license:isc
>+                   (license:non-copyleft "chrome://credits"
>+                                         "See chrome://credits for
>more information.")
>+                   license:lgpl2.1+))))
>-- 
>2.20.1

Wow. 
Nice work! 😃
-- 
Sent from my k-9 mail for Android.