gnu: mrustc: Clean up.
[jackhill/guix/guix.git] / gnu / packages / gnuzilla.scm
dissimilarity index 69%
index 66b5383..62b4390 100644 (file)
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2014, 2015, 2016, 2017, 2018 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
-;;; Copyright © 2016, 2017 Efraim Flashner <efraim@flashner.co.il>
-;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
-;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
-;;; Copyright © 2017 ng0 <ng0@infotropique.org>
-;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
-;;;
-;;; This file is part of GNU Guix.
-;;;
-;;; 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 gnuzilla)
-  #:use-module ((srfi srfi-1) #:hide (zip))
-  #:use-module (ice-9 match)
-  #:use-module (gnu packages)
-  #:use-module ((guix licenses) #:prefix license:)
-  #:use-module (guix packages)
-  #:use-module (guix download)
-  #:use-module (guix utils)
-  #:use-module (guix build-system gnu)
-  #:use-module (gnu packages autotools)
-  #:use-module (gnu packages base)
-  #:use-module (gnu packages databases)
-  #:use-module (gnu packages glib)
-  #:use-module (gnu packages gtk)
-  #:use-module (gnu packages gnome)
-  #:use-module (gnu packages libcanberra)
-  #:use-module (gnu packages cups)
-  #:use-module (gnu packages kerberos)
-  #:use-module (gnu packages linux)
-  #:use-module (gnu packages perl)
-  #:use-module (gnu packages pkg-config)
-  #:use-module (gnu packages compression)
-  #:use-module (gnu packages fontutils)
-  #:use-module (gnu packages libevent)
-  #:use-module (gnu packages libreoffice)  ;for hunspell
-  #:use-module (gnu packages image)
-  #:use-module (gnu packages libffi)
-  #:use-module (gnu packages pulseaudio)
-  #:use-module (gnu packages python)
-  #:use-module (gnu packages xorg)
-  #:use-module (gnu packages gl)
-  #:use-module (gnu packages assembly)
-  #:use-module (gnu packages icu4c)
-  #:use-module (gnu packages video)
-  #:use-module (gnu packages xdisorg)
-  #:use-module (gnu packages readline))
-
-(define-public mozjs
-  (package
-    (name "mozjs")
-    (version "17.0.0")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append
-                   "https://ftp.mozilla.org/pub/mozilla.org/js/"
-                   name version ".tar.gz"))
-             (sha256
-              (base32
-               "1fig2wf4f10v43mqx67y68z6h77sy900d1w0pz9qarrqx57rc7ij"))
-             (patches (search-patches "mozjs17-aarch64-support.patch"))
-             (modules '((guix build utils)))
-             (snippet
-              ;; Fix incompatibility with Perl 5.22+.
-              '(substitute* '("js/src/config/milestone.pl")
-                 (("defined\\(@TEMPLATE_FILE)") "@TEMPLATE_FILE")))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("perl" ,perl)
-       ("pkg-config" ,pkg-config)
-       ("python" ,python-2)))
-    (propagated-inputs
-     `(("nspr" ,nspr))) ; in the Requires.private field of mozjs-17.0.pc
-    (inputs
-     `(("zlib" ,zlib)))
-    (arguments
-     `(;; XXX: parallel build fails, lacking:
-       ;;   mkdir -p "system_wrapper_js/"
-       #:parallel-build? #f
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'delete-timedout-test
-           ;; This test times out on slower hardware.
-           (lambda _ (delete-file "js/src/jit-test/tests/basic/bug698584.js")))
-         (add-before 'configure 'chdir
-           (lambda _
-             (chdir "js/src")
-             #t))
-         (replace 'configure
-           ;; configure fails if it is followed by SHELL and CONFIG_SHELL
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (setenv "SHELL" (which "sh"))
-               (setenv "CONFIG_SHELL" (which "sh"))
-               (zero? (system*
-                       "./configure" (string-append "--prefix=" out)
-                                     ,@(if (string=? "aarch64-linux"
-                                                     (%current-system))
-                                         '("--host=aarch64-unknown-linux-gnu")
-                                         '())))))))))
-    (home-page
-     "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey")
-    (synopsis "Mozilla javascript engine")
-    (description "SpiderMonkey is Mozilla's JavaScript engine written
-in C/C++.")
-    (license license:mpl2.0))) ; and others for some files
-
-(define-public mozjs-24
-  (package (inherit mozjs)
-    (name "mozjs")
-    (version "24.2.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://ftp.mozilla.org/pub/mozilla.org/js/"
-                    name "-" version ".tar.bz2"))
-              (sha256
-               (base32
-                "1n1phk8r3l8icqrrap4czplnylawa0ddc2cc4cgdz46x3lrkybz6"))
-              (modules '((guix build utils)))
-              (patches (search-patches "mozjs24-aarch64-support.patch"))
-              (snippet
-               ;; Fix incompatibility with Perl 5.22+.
-               '(substitute* '("js/src/config/milestone.pl")
-                  (("defined\\(@TEMPLATE_FILE)") "@TEMPLATE_FILE")))))
-    (arguments
-      (substitute-keyword-arguments (package-arguments mozjs)
-        ((#:phases phases)
-         `(modify-phases ,phases
-            (replace 'configure
-              (lambda* (#:key outputs #:allow-other-keys)
-                (let ((out (assoc-ref outputs "out")))
-                  ;; configure fails if it is followed by SHELL and CONFIG_SHELL
-                  (setenv "SHELL" (which "sh"))
-                  (setenv "CONFIG_SHELL" (which "sh"))
-                  (zero? (system* "./configure"
-                                  (string-append "--prefix=" out)
-                                  "--with-system-nspr"
-                                  "--enable-system-ffi"
-                                  "--enable-threadsafe"
-                                  ,@(if (string=? "aarch64-linux"
-                                                  (%current-system))
-                                      '("--host=aarch64-unknown-linux-gnu")
-                                      '()))))))))))
-    (inputs
-     `(("libffi" ,libffi)
-       ("zlib" ,zlib)))))
-
-(define-public mozjs-38
-  (package
-    (inherit mozjs)
-    (name "mozjs")
-    (version "38.2.1.rc0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://people.mozilla.org/~sstangl/"
-                    name "-" version ".tar.bz2"))
-              (sha256
-               (base32
-                "0p4bmbpgkfsj54xschcny0a118jdrdgg0q29rwxigg3lh5slr681"))
-              (patches
-               (search-patches
-                ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1269317 for
-                ;; GCC 6 compatibility.
-
-                "mozjs38-version-detection.patch" ; for 0ad
-                "mozjs38-tracelogger.patch"
-
-                ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1339931.
-                "mozjs38-pkg-config-version.patch"
-                "mozjs38-shell-version.patch"))
-              (modules '((guix build utils)))
-              (snippet
-               '(begin
-                  ;; Fix incompatibility with sed 4.4.
-                  (substitute* "js/src/configure"
-                    (("\\^\\[:space:\\]") "^[[:space:]]"))
-
-                  ;; The headers are symlinks to files that are in /tmp, so they
-                  ;; end up broken.  Copy them instead.
-                  (substitute*
-                      "python/mozbuild/mozbuild/backend/recursivemake.py"
-                    (("\\['dist_include'\\].add_symlink")
-                     "['dist_include'].add_copy"))
-
-                  ;; Remove bundled libraries.
-                  (for-each delete-file-recursively
-                            '("intl"
-                              "js/src/ctypes/libffi"
-                              "js/src/ctypes/libffi-patches"
-                              "modules/zlib"))
-                  #t))))
-    (arguments
-     `(;; XXX: parallel build fails, lacking:
-       ;;   mkdir -p "system_wrapper_js/"
-       #:parallel-build? #f
-       ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1008470.
-       #:tests? #f
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (chdir "js/src")
-               (setenv "SHELL" (which "sh"))
-               (setenv "CONFIG_SHELL" (which "sh"))
-               (zero? (system* "./configure"
-                               (string-append "--prefix=" out)
-                               "--enable-ctypes"
-                               "--enable-gcgenerational"
-                               "--enable-optimize"
-                               "--enable-pie"
-                               "--enable-readline"
-                               "--enable-shared-js"
-                               "--enable-system-ffi"
-                               "--enable-threadsafe"
-                               "--enable-xterm-updates"
-                               "--with-system-icu"
-                               "--with-system-nspr"
-                               "--with-system-zlib"
-
-                               ;; Intl API requires bundled ICU.
-                               "--without-intl-api"))))))))
-    (native-inputs
-     `(("perl" ,perl)
-       ("pkg-config" ,pkg-config)
-       ("python-2" ,python-2)))
-    (inputs
-     `(("libffi" ,libffi)
-       ("readline" ,readline)
-       ("icu4c" ,icu4c)
-       ("zlib" ,zlib)))))
-
-(define-public nspr
-  (package
-    (name "nspr")
-    (version "4.18")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append
-                   "https://ftp.mozilla.org/pub/mozilla.org/nspr/releases/v"
-                   version "/src/nspr-" version ".tar.gz"))
-             (sha256
-              (base32
-               "0d7vr3wrgp73qbywrvdkikk8vq1s1n9vhf62db80g1zqkg05g5mq"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("perl" ,perl)))
-    (arguments
-     `(#:tests? #f ; no check target
-       #:configure-flags (list "--enable-64bit"
-                               (string-append "LDFLAGS=-Wl,-rpath="
-                                              (assoc-ref %outputs "out")
-                                              "/lib"))
-       ;; Use fixed timestamps for reproducibility.
-       #:make-flags '("SH_DATE='1970-01-01 00:00:01'"
-                      ;; This is epoch 1 in microseconds.
-                      "SH_NOW=100000")
-       #:phases (modify-phases %standard-phases
-                  (add-before 'configure 'chdir
-                    (lambda _ (chdir "nspr") #t)))))
-    (home-page
-     "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSPR")
-    (synopsis "Netscape API for system level and libc-like functions")
-    (description "Netscape Portable Runtime (NSPR) provides a
-platform-neutral API for system level and libc-like functions.  It is used
-in the Mozilla clients.")
-    (license license:mpl2.0)))
-
-(define-public nss
-  (package
-    (name "nss")
-    (version "3.35")
-    (source (origin
-              (method url-fetch)
-              (uri (let ((version-with-underscores
-                          (string-join (string-split version #\.) "_")))
-                     (string-append
-                      "https://ftp.mozilla.org/pub/mozilla.org/security/nss/"
-                      "releases/NSS_" version-with-underscores "_RTM/src/"
-                      "nss-" version ".tar.gz")))
-              (sha256
-               (base32
-                "1ypn68z9ncbbshi3184ywrhx5i846lyd72gps1grzqzdkgh7s4pl"))
-              ;; Create nss.pc and nss-config.
-              (patches (search-patches "nss-pkgconfig.patch"
-                                       "nss-increase-test-timeout.patch"))))
-    (build-system gnu-build-system)
-    (outputs '("out" "bin"))
-    (arguments
-     `(#:parallel-build? #f ; not supported
-       #:make-flags
-       (let* ((out (assoc-ref %outputs "out"))
-              (nspr (string-append (assoc-ref %build-inputs "nspr")))
-              (rpath (string-append "-Wl,-rpath=" out "/lib/nss")))
-         (list "-C" "nss" (string-append "PREFIX=" out)
-               "NSDISTMODE=copy"
-               "NSS_USE_SYSTEM_SQLITE=1"
-               (string-append "NSPR_INCLUDE_DIR=" nspr "/include/nspr")
-               ;; Add $out/lib/nss to RPATH.
-               (string-append "RPATH=" rpath)
-               (string-append "LDFLAGS=" rpath)))
-       #:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (ice-9 ftw)
-                  (ice-9 match)
-                  (srfi srfi-26))
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda _
-             (setenv "CC" "gcc")
-             ;; Tells NSS to build for the 64-bit ABI if we are 64-bit system.
-             ,@(match (%current-system)
-                 ((or "x86_64-linux" "aarch64-linux")
-                  `((setenv "USE_64" "1")))
-                 (_
-                  '()))
-             #t))
-         (replace 'check
-           (lambda _
-             ;; Use 127.0.0.1 instead of $HOST.$DOMSUF as HOSTADDR for testing.
-             ;; The later requires a working DNS or /etc/hosts.
-             (setenv "DOMSUF" "(none)")
-             (setenv "USE_IP" "TRUE")
-             (setenv "IP_ADDRESS" "127.0.0.1")
-             (zero? (system* "./nss/tests/all.sh"))))
-           (replace 'install
-             (lambda* (#:key outputs #:allow-other-keys)
-               (let* ((out (assoc-ref outputs "out"))
-                      (bin (string-append (assoc-ref outputs "bin") "/bin"))
-                      (inc (string-append out "/include/nss"))
-                      (lib (string-append out "/lib/nss"))
-                      (obj (match (scandir "dist" (cut string-suffix? "OBJ" <>))
-                             ((obj) (string-append "dist/" obj)))))
-                 ;; Install nss-config to $out/bin.
-                 (install-file (string-append obj "/bin/nss-config")
-                               (string-append out "/bin"))
-                 (delete-file (string-append obj "/bin/nss-config"))
-                 ;; Install nss.pc to $out/lib/pkgconfig.
-                 (install-file (string-append obj "/lib/pkgconfig/nss.pc")
-                               (string-append out "/lib/pkgconfig"))
-                 (delete-file (string-append obj "/lib/pkgconfig/nss.pc"))
-                 (rmdir (string-append obj "/lib/pkgconfig"))
-                 ;; Install other files.
-                 (copy-recursively "dist/public/nss" inc)
-                 (copy-recursively (string-append obj "/bin") bin)
-                 (copy-recursively (string-append obj "/lib") lib)
-
-                 ;; FIXME: libgtest1.so is installed in the above step, and it's
-                 ;; (unnecessarily) linked with several NSS libraries, but
-                 ;; without the needed rpaths, causing the 'validate-runpath'
-                 ;; phase to fail.  Here we simply delete libgtest1.so, since it
-                 ;; seems to be used only during the tests.
-                 (delete-file (string-append lib "/libgtest1.so"))
-                 (delete-file (string-append lib "/libgtestutil.so"))
-
-                 #t))))))
-    (inputs
-     `(("sqlite" ,sqlite)
-       ("zlib" ,zlib)))
-    (propagated-inputs `(("nspr" ,nspr))) ; required by nss.pc.
-    (native-inputs `(("perl" ,perl)))
-
-    ;; The NSS test suite takes around 48 hours on Loongson 3A (MIPS) when
-    ;; another build is happening concurrently on the same machine.
-    (properties '((timeout . 216000)))  ; 60 hours
-
-    (home-page
-     "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS")
-    (synopsis "Network Security Services")
-    (description
-     "Network Security Services (@dfn{NSS}) is a set of libraries designed to
-support cross-platform development of security-enabled client and server
-applications.  Applications built with NSS can support SSL v2 and v3, TLS,
-PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509 v3 certificates, and other
-security standards.")
-    (license license:mpl2.0)))
-
-(define (mozilla-patch file-name changeset hash)
-  "Return an origin for CHANGESET from the mozilla-esr52 repository."
-  (origin
-    (method url-fetch)
-    (uri (string-append "https://hg.mozilla.org/releases/mozilla-esr52/raw-rev/"
-                        changeset))
-    (sha256 (base32 hash))
-    (file-name file-name)))
-
-(define-public icecat
-  (package
-    (name "icecat")
-    (version "52.3.0-gnu1")
-    (source
-     (origin
-      (method url-fetch)
-      (uri (string-append "mirror://gnu/gnuzilla/"
-                          (first (string-split version #\-))
-                          "/" name "-" version ".tar.bz2"))
-      (sha256
-       (base32
-        "00jki754d6310fxj1b7dbhqj69y5igck6gqg6rgfya243nsb56k9"))
-      (patches
-       (list
-        (search-patch "icecat-avoid-bundled-libraries.patch")
-        (search-patch "icecat-use-system-harfbuzz.patch")
-        (search-patch "icecat-use-system-graphite2.patch")
-        (mozilla-patch "icecat-bug-546387.patch"         "d13e3fefb76e" "1b760r0bg2ydbl585wlmajljh1nlisrwxvjws5b28a3sgjy01i6k")
-        (mozilla-patch "icecat-bug-1350152.patch"        "f822bda79c28" "1wf56169ca874shr6r7qx40s17h2gwj7ngmpyylrpmd1c6hipvsj")
-        (mozilla-patch "icecat-bug-1388166.patch"        "fbb0bdb191d5" "1y8wpj38vw1dd6f375s9i0mrk9bd8z8gz5g70p4qynfllpkn072d")
-        (mozilla-patch "icecat-CVE-2017-7810-pt1.patch"  "fbddb5cdd3c7" "0k5nyl2z1y2rx9fwqyfj64678yv6v3pnmshgk552pbzqmaf8i1hq")
-        (mozilla-patch "icecat-CVE-2017-7810-pt2.patch"  "76c25987a275" "095b9vwsiza9ikbnnppfcld16h75x5bxjfxc73913y04n0i42ifh")
-        (mozilla-patch "icecat-CVE-2017-7810-pt3.patch"  "32eec29a85a5" "057simakqg56jvas1wkskg5kszn96m74nca26x08d5w7rzmbv1q2")
-        (mozilla-patch "icecat-bug-1373222.patch"        "ecef71fa933f" "0vsymgy5j702lamvh2riahni7rdj9ba3bd6i4a2m22d638rwp1i2")
-        (mozilla-patch "icecat-CVE-2017-7814.patch"      "68a444daf85b" "1faaadaajidzb9i00710zxdyv370hlrdg1l5rw2ymfmzbjj4jqyd")
-        (mozilla-patch "icecat-bug-1376825.patch"        "eeeec9cafc4e" "188qf6zi9kyxb33330yia6wmrd5mdyqn5hr1cl38zy7m3akv8srh")
-        (mozilla-patch "icecat-bug-1385272.patch"        "d68fa12fbffc" "13gh97vz9n2b7303jcvr1072iy8bghy9chvbmxzvw82prvkscavw")
-        (mozilla-patch "icecat-bug-1390002.patch"        "c24e6fc9f689" "0aswhy5fz2f6wzd5j5gg3nqvz707ip344089h2z2chcp146vxmf4")
-        (mozilla-patch "icecat-CVE-2017-7810-pt4.patch"  "ae110cf77596" "0gdrkfq9wy9cfcdgbj14ci86xgh2prkbz69pfy97r9igd8059syw")
-        (mozilla-patch "icecat-CVE-2017-7810-pt5.patch"  "b8417112486d" "1hya6lccz7vm51v4f6ww072794cwzmfn9xhxmvrnqbiyspxx5fz4")
-        (mozilla-patch "icecat-bug-1386905.patch"        "badbf4308211" "0fj1pyjqfdsbrlfykwmkzav2nvdj1f4grwq3cal9f7ay6wjnfs9b")
-        (mozilla-patch "icecat-CVE-2017-7810-pt6.patch"  "d78675515c78" "03w5hqy40xkckbaf5bm9kdbdqvp9ffvpk9mlrc9lja6b7qa4pjhg")
-        (mozilla-patch "icecat-bug-1382303.patch"        "f01155fe4d54" "0hnz1kvmvspg6453kydsklbvrjgzn8x3djvrym3f2xl2yinaf90d")
-        (mozilla-patch "icecat-bug-1393467.patch"        "4eec2a60622c" "1h006mwcsagq7mz7haymwgr7fn4zj14n5lxbjcmhdqrxdvma2hjj")
-        (mozilla-patch "icecat-bug-1384801.patch"        "9556e792f905" "0i74r807189s8i78483caiifw68cn7fs543i4cys6k3gn12dhhjy")
-        (mozilla-patch "icecat-CVE-2017-7823.patch"      "bd284765b5bc" "1c4hss87kc4qwx30magbqczm9h7zmwirjfc8zimqbrnwv9bbsfh3")
-        (mozilla-patch "icecat-CVE-2017-7805.patch"      "113da8d46aa4" "1vy0lw659mwixmb57mgybga152rdwqd5zj1g7nfw1zgp15pfwr75")
-        (mozilla-patch "icecat-bug-1376399.patch"        "58a574502ca9" "1zmg91pg0s5nwngc32a4fywidvxyaayvx1h052fsv0i4cfm16l9v")
-        (mozilla-patch "icecat-bug-1396570.patch"        "24db61862c54" "0af1jjfma042xvn0xhgims1yvb2b51nhn4m0pcfwg3fn0llmka03")
-        (mozilla-patch "icecat-CVE-2017-7819.patch"      "1a02f11c6efe" "18a9qvdvrqw34qw3lljg6gkn358jl23lyimhmbc964023rhs36sz")
-        (mozilla-patch "icecat-CVE-2017-7810-pt7.patch"  "002686d9536f" "065g0d759wfiaj69b1sqg7l08p2knc0q9m9hvkgwwsf0r78xcbjj")
-        (mozilla-patch "icecat-CVE-2017-7810-pt8.patch"  "eaadb31758d8" "0b3k3la6ykac5mbp9gyqqgjbmj19vx9sl1b0wp387qar0p12nyaz")
-        (mozilla-patch "icecat-bug-1368269.patch"        "0cff5e66e0f4" "0jb0wqi7c0ih4441s1908j6gv18v4inh7k2w47h3c9nhz4rgyrw7")
-        (mozilla-patch "icecat-CVE-2017-7793.patch"      "6ff3c82962f0" "0bw82034kdmrpznigbavzzsiybzrw8giyf8v0z2cxf6mwl72bf9k")
-        (mozilla-patch "icecat-bug-1400399.patch"        "d6f78b1349b7" "0i3gwr2al3xl65yfa3nimvy8dp0jzpx21f6bjw18xwn7zkkh9j54")
-        (mozilla-patch "icecat-bug-1400721.patch"        "285cde398833" "0a1i32zl30wfyw7zkqj595s94n6wdlg5c495m0910pd05pjg3qam")
-        (mozilla-patch "icecat-CVE-2017-7826-pt01.patch" "98b3988592a6" "03wy173lj6mvmh5q92brf596h8676h0zasgqfnndpvsmsiaih120")
-        (mozilla-patch "icecat-CVE-2017-7826-pt02.patch" "47590f0c274b" "0zsys6dcyhfb4a8k2dhsls7425jg6r1ijlrsn1lc5smwyf62zx5v")
-        (mozilla-patch "icecat-CVE-2017-7826-pt03.patch" "55b435cbbb55" "1gcasaqrxa13a55v05bkxl3d1md829kpfhqiaws83wn08x28l0my")
-        (mozilla-patch "icecat-CVE-2017-7826-pt04.patch" "8549cf2dab3e" "168gs32ncavaj9xn4gwhh9i01cbpnhgx9yn333apsrc1gwknpvsr")
-        (mozilla-patch "icecat-CVE-2017-7826-pt05.patch" "349acf56ff49" "1vwn87rdryfjsn809pl50xmr82q98gz3vz9h6clkd905vbd9rwz7")
-        (mozilla-patch "icecat-CVE-2017-7826-pt06.patch" "3af5bf8bdea0" "07az28dnpxr36j7i3llxkrlkrmg0bwk4f3sm75x1f0r1v5575p3p")
-        (mozilla-patch "icecat-CVE-2017-7826-pt07.patch" "592df6088926" "1gy27idik4b6wcg4szww08cmpcljssja8wql6w1d807h7ni65lr7")
-        (mozilla-patch "icecat-CVE-2017-7826-pt08.patch" "77a2d4610275" "13ysbwflnysj4rs45ibckd621s0vyg1s8dvannlvanvrz1g72zcz")
-        (mozilla-patch "icecat-CVE-2017-7826-pt09.patch" "2b30335d0b95" "0hs5cwickvfw7r5dn7y148jgr2b21hl613qp83k56634d0y64qwp")
-        (mozilla-patch "icecat-CVE-2017-7826-pt10.patch" "d6f008f95598" "0xclxrbg7pv8pa2j15p0gy9c8sigy2i9j0kvazl5fbyg6jsg3xgd")
-        (mozilla-patch "icecat-CVE-2017-7826-pt11.patch" "ab9b51cd75ac" "08jy3rbkyh934aw261ls0s87947d2mhss7xqk1xfdir9crij2g27")
-        (mozilla-patch "icecat-bug-1343147-pt1.patch"    "971d6345bc3a" "13791cvc51i991i5qyz6gp94vwzwkx479bnr8fsf8dw7z72wrsch")
-        (mozilla-patch "icecat-bug-1343147-pt2.patch"    "60df7db06669" "0r372g1zksvkzyz0qpq0mp30frilgsfxxx2xida8xc08wgxp5lh9")
-        (mozilla-patch "icecat-CVE-2017-7826-pt12.patch" "df49c25e6e4c" "0j77xbkxpflqf4jlccrv61vq0jgp4lfn8kb0zw1lswp3cyd6ml4i")
-        (mozilla-patch "icecat-CVE-2017-7826-pt13.patch" "3b899f872623" "01zjcpm8yp4s8yf4mj1bzq01aylmi69kd8qv0rrcl9hmj4g3pzr2")
-        (mozilla-patch "icecat-CVE-2017-7826-pt14.patch" "3d6d558ae6a6" "17wynknvs5wi7m9g5vn43rjmivbg1l6pnv8jymz1ccidy27qgdqi")
-        (mozilla-patch "icecat-CVE-2017-7826-pt15.patch" "8426754b7130" "0bbm2294bkvld55rdbpsc8b82ljqdcxpbg6cwdzvwfhqayl2pnqm")
-        (mozilla-patch "icecat-CVE-2017-7828-pt1.patch"  "5ddd5d2aa769" "12z5i8h6qwjb1h1fvp2426bgsnsxx539d8k2is9x1q4133356niy")
-        (mozilla-patch "icecat-CVE-2017-7826-pt16.patch" "dd068f4e132a" "17qy9c1vfkz3pj6y8qmqbic73wrangsbdlylk2s54nbzhhp9cj1g")
-        (mozilla-patch "icecat-CVE-2017-7826-pt17.patch" "e6bd533b57e9" "1mmqav9yhxd0j47yffcdykaqjibfwjsk0jn0f44099s87y8qn9zy")
-        (mozilla-patch "icecat-CVE-2017-7826-pt18.patch" "2a87fb6b9c07" "0z0scw4y1vqhqkbw1ag14g8xrif14l95x7fd50q2sw425lli29lc")
-        (mozilla-patch "icecat-bug-1404910.patch"        "5007f2472f64" "0ns1l4yipwbb52sps2xzg30qd1rkpwykxq4chjg3wllhmcxbvvpw")
-        (mozilla-patch "icecat-CVE-2017-7830.patch"      "04e3b5c1f0b2" "0nmv3jnx94ykxg64xkiwc8kx4df8zw7y5yzjnxz1sll2v88b9hmf")
-        (mozilla-patch "icecat-CVE-2017-7828-pt2.patch"  "2f48c03d9b3f" "16qdy3rahmkhsjnzqjcgzg1a4k7czd40m04gs9i75cd88kbripri")
-        (mozilla-patch "icecat-bug-1348660-pt1.patch"    "a352bfcbaf55" "1j3kxnhci9fh3lj8rizbcfv8xzn5kikxwpfy8a091d51sdn20873")
-        (mozilla-patch "icecat-bug-1348660-pt2.patch"    "57f43e2ab9b5" "1jva4y79zb85npak3mddrx5rsf4mxczb314kcr8yhlkwqv0nx5sp")
-        (mozilla-patch "icecat-bug-1348660-pt3.patch"    "917d65bb8896" "0k29y8i96lanqjjm6vybg0s6gjbk1mz5bfnga6aj1g0hnb7c3s8d")
-        (mozilla-patch "icecat-bug-1348660-pt4.patch"    "28934912eede" "1mhxw26050l3d09n8w912a86df87afcshvsk9k1k375anfk0927x")
-        (search-patch  "icecat-bug-1348660-pt5.patch")
-        (mozilla-patch "icecat-bug-1348660-pt6.patch"    "556ff3bfb9fc" "0kckjc8jp885xfaiwx2b9qnk1plqjhi0mwhjjcmfajvh3l3mrl8h")
-        (mozilla-patch "icecat-bug-1350564.patch"        "2abf26abb2a2" "0axdzp9g9k74wpkwrsdx263h01sv9bd3rarhhl68xnvc7n6i45lx")
-        (mozilla-patch "icecat-bug-1404787.patch"        "8335e1d7b140" "17d7kb8ginzflhdkrbi60vh2b907spbzmvwih7a595gqpihmnqqn")
-        (mozilla-patch "icecat-CVE-2017-7826-pt19.patch" "de336078d36b" "0gyzbap8hr1iywk0x2x0h7z7zp7q89hi56h8c03vvc7771dkvjkf")
-        (mozilla-patch "icecat-bug-1047098-pt1.patch"    "088577f0c46e" "0y3sz6kx07ls7jsvhqhhrl6v69a94wqvv3lz7hnplah23y06h17z")
-        (mozilla-patch "icecat-bug-1047098-pt2.patch"    "c7e3abf74023" "11dcjzx56v4yb2dvm23j2g86q8yva2hc69lmb7s5w18l6ygwwhzr")
-        (mozilla-patch "icecat-bug-1047098-pt3.patch"    "36bd15d14c5a" "0cb3l3hpsgk674f08kfamxhqfga3ah5v904gpxq9ag006vzd2cxz")
-        (mozilla-patch "icecat-bug-1404105.patch"        "2909ba991f31" "126vssj57dc800347f075wlnjzcwamnxxmgxl9w78jpb0hj9gf16")
-        (search-patch  "icecat-bug-1415133.patch")
-        (mozilla-patch "icecat-bug-1355576.patch"        "cf34a0574e58" "1z7sa1d12hypgivm5xxn32s58afpjcij97jvnafcgnfvxywrgr1m")
-        (mozilla-patch "icecat-CVE-2017-7843.patch"      "f6216ea8b8fc" "0jnhdkj0ch9mj01mzlvhjgf8zsxlbg6m7yvpq99qr7xmg0pzbgwl")
-        (mozilla-patch "icecat-bug-1413741.patch"        "4e00ce2897c4" "0k95vi31glia2i03djidkc0gkwp9qldy34fz1rxcj56a1iphbq7w")
-        (mozilla-patch "icecat-CVE-2018-5089-pt01.patch" "92d450811409" "0xsvggnr0y65nd52nkbjvpcbs5nd84pvbayk5vinbx1mnk2wh2vy")
-        (mozilla-patch "icecat-CVE-2018-5089-pt02.patch" "7eba7d14704a" "1vi17qmjzh3kji14iz370kvs4425asgp93ns2chf5ldlq5b9196g")
-        (mozilla-patch "icecat-CVE-2018-5089-pt03.patch" "457d023c167e" "11g8hg8yp20lsn52dx1ym8r4yjsnsmx0h182d6nbl6ab9wp7d1m9")
-        (mozilla-patch "icecat-CVE-2018-5089-pt04.patch" "5e7b16213198" "14c4x6c3mygf8p77n9bia5rndjpngbvik1r1ylk97k3ggy4fj6zh")
-        (mozilla-patch "icecat-CVE-2018-5102.patch"      "0712b6cbbdc8" "0rllsq6ckpms7g9k6qky1gr5rz1gav4widrha6w1s9f88cbrqgk5")
-        (mozilla-patch "icecat-CVE-2018-5089-pt05.patch" "084c427ccf99" "0sjdy2iang09a9g6liavpjgry04dp6smjgj0y7lp5lfqijdr8q2d")
-        (mozilla-patch "icecat-CVE-2018-5089-pt06.patch" "1bfb3d8d4510" "0c2dcxj74ijs6qf9sqcbj8w998hblic66vy41818z7xnw46j5j1j")
-        (mozilla-patch "icecat-bug-1414425.patch"        "5623e01e63a8" "08dn3v96bsb61hy3wfxz43fhn1mk9vlm5ydvdjgi3wiqadvacgzs")
-        (mozilla-patch "icecat-CVE-2018-5089-pt07.patch" "14a389d40329" "0f4gbak5bd2walxrxs3myig28v9lhvplf3a1nws1a4ajx80slzq1")
-        (mozilla-patch "icecat-bug-1415441.patch"        "7339297cddb7" "017lbw0mn5rwzb2abfw6qrk07m3r96vwbj81cmqvdfnmprcjni5j")
-        (mozilla-patch "icecat-CVE-2018-5096.patch"      "aa55d4cdaee5" "1l3qwjfx0jsbbw2dg8bsnx7k47zibamgswndq0d1bchnmary62aw")
-        (mozilla-patch "icecat-bug-1382358.patch"        "762f4e53889a" "0n61zrb6rz9bhhdsqs5ziwaiy81pq52c76p9qmi9hrxbn24ism1k")
-        (mozilla-patch "icecat-CVE-2018-5089-pt08.patch" "0152d097672f" "16ybg718calvciv00kil8s97lhh11hj6gx0acf73r44xfkvm8nfg")
-        (search-patch  "icecat-bug-1414945.patch")
-        (mozilla-patch "icecat-CVE-2018-5089-pt09.patch" "079356ed5317" "107c0b93g2k743wvhwz2ps3j6p09qld7d0raljijv5y5n8q4wp92")
-        (mozilla-patch "icecat-CVE-2018-5089-pt10.patch" "93e4994a892c" "00r2qxw3619529vy9d04dl9kcziqy3fv3iawgy9svzygyx1kj5wx")
-        (mozilla-patch "icecat-CVE-2018-5089-pt11.patch" "f8a6e1864832" "1wbxn0v50637yjg8b8675k01x9cyx95jpjxpyqfaa97762qkznba")
-        (mozilla-patch "icecat-CVE-2018-5089-pt12.patch" "0cc1c9068714" "1qmqpi14zs7c95k3c7396gpp6apb622k0mgv553kw4rr81nj1yac")
-        (mozilla-patch "icecat-CVE-2018-5095.patch"      "ce6f3fb2bf58" "1b1msb5d5jsgrqa2hkbsrm0n54qdmx1b2bf65v44v17appa03lra")
-        (mozilla-patch "icecat-CVE-2018-5103.patch"      "6b4d3c5d5e51" "074p93dhwr1ckhypkjpblnmg9hg44a9030g1glqffi9dyn3iq3k4")
-        (mozilla-patch "icecat-bug-1411745.patch"        "1a510ee578a0" "1imb7glh2m1zwvvpvr4k4iddms5byqzr35j7kv3y5is77aiwl4z5")
-        (mozilla-patch "icecat-bug-1411708.patch"        "34c968767eb7" "0l2jy201ikj3m3h66mvlsj4y0ki7cpm7x7nnfygbwnfxg42s1sip")
-        (mozilla-patch "icecat-CVE-2018-5091.patch"      "bc166be85bb4" "0w1lrjzfrfflaw4l6sfi3ir81iyi9gyfck5g41dwp0jc1b59jzvg")
-        (mozilla-patch "icecat-CVE-2018-5089-pt13.patch" "66cfc3c4047d" "05j8ic4lv2d2ygr6d62rkdlfyg2rpljalwrkkhllinw2dfi3n15b")
-        (mozilla-patch "icecat-CVE-2018-5098.patch"      "3236ffdf0ced" "1kvk4qyslaj1ldgs1wpxnf79zajcihzcd1zvbrg990i3hgyn3gk3")
-        (mozilla-patch "icecat-bug-1424373-pt1.patch"    "320032aaa068" "1ch282qibprz1q0f2imvynh4sg7gads6sf3ayhjcd62zjncpgyz7")
-        (search-patch  "icecat-bug-1424373-pt2.patch")
-        (mozilla-patch "icecat-CVE-2018-5089-pt14.patch" "c2945f1249eb" "18p0344w6grpyfiz8dczfw977p0qy37iqv95whgnrjli2ab51kji")
-        (mozilla-patch "icecat-CVE-2018-5117-pt1.patch"  "263165eacc54" "0518xnd9f4qkn7l0z73kldm9dr33y6hf054ril4f8r2j8s9fy33i")
-        (mozilla-patch "icecat-CVE-2018-5117-pt2.patch"  "58e87d9cc44e" "0j9qwjm25bmhw0sj426yl4fqaa6zknf5cjk0yisdd3895652n5i4")
-        (mozilla-patch "icecat-CVE-2018-5089-pt15.patch" "aa4b11615431" "0whfvwaj3dmk89ah2kbv7zz7a8ckqa0xajf5fl12bgl7q8c8ndnm")
-        (mozilla-patch "icecat-CVE-2018-5104.patch"      "66761c5bfbe1" "076128pxc7ik1zq2v0d5m6vd7nls2030jzdc4w0ggy8hd5yyb8g9")
-        (mozilla-patch "icecat-bug-1408631.patch"        "6f5c8df1925d" "1hgr18p5dwhlsan6jxlj3ay7cbfyywk40bpbnjc8gqmq6y25cn48")
-        (mozilla-patch "icecat-bug-1422735.patch"        "b88ef76f5687" "0rzpxfrhddc0238rq3r1b02j95g0rdplk1fjmk85m51xvggh9086")
-        (mozilla-patch "icecat-bug-1261963.patch"        "d0c98f5b6c12" "1z9jn19hnwjand9c0ifc39gq71nz17jjqy2s5fqr2z06y8qys62h")
-        (mozilla-patch "icecat-CVE-2018-5089-pt16.patch" "f7865afb1fe6" "0i7ydmcr1g0ih3myyxaxjq6wfg3rvq5j4893kjqksqihfqrkzs4j")
-        (mozilla-patch "icecat-CVE-2018-5097.patch"      "9fb7614319df" "1xirahk06w8pyw4pdh64f4pg3qcb7c8x8frrmad2895fagy14g4k")
-        (mozilla-patch "icecat-mitigate-spectre.patch"   "81d6465bd7c2" "1za5l249pb5x7f283vrimy0ankjzvwa99hfql3v4fm5a4grjkj9n")
-        (mozilla-patch "icecat-CVE-2018-5089-pt17.patch" "5f753161df25" "1k2mpwagz08wzxfzwy2b4a0pz0hkhdqby6n11i7pasx3ary670km")
-        (mozilla-patch "icecat-CVE-2018-5099.patch"      "b95d654de120" "1cv7nz2gsyjjigw6wv4xagh8q6bcg0971md8b6xjvz5m26aynlaw")
-        (mozilla-patch "icecat-bug-1408631.patch"        "3b1faddc0e5f" "0817x5mrdyjj0gc9yi19m6d78d18ypc9nbld64d2axhc8v9bz3xf")
-        (mozilla-patch "icecat-glibc-2.26.patch"         "57d4fae4dffe" "1sv7kp7m4i7n31ny8k7cpjsrqpxh5y5jm27sh2cgpj7fhi5kqsj2")
-        (mozilla-patch "icecat-CVE-2018-5089-pt18.patch" "fe271a2b9503" "11wr8mdxw01dlmzkq55hf0qd52cwmx4vk96cff66d4kkl1dbj6qn")
-        (mozilla-patch "icecat-CVE-2018-5089-pt19.patch" "410da936a1e8" "14dvaysz0svlh50kdabjhd2s5avz6p93sbyqhwik5rlvcg5ax5zp")
-        (mozilla-patch "icecat-CVE-2018-5089-pt20.patch" "8368a9a379e3" "0fqq01ms7m4kb9b10n8gy5n9n4x43crz2gn1r6c4ny52wzgm3j6f")
-        (mozilla-patch "icecat-CVE-2018-5089-pt21.patch" "a7c8e85285e2" "1caa2w5r8rqb1qrk4mgf2vw1k592idvqmgs8qfz2dp2744kk6z98")
-        (mozilla-patch "icecat-bug-1375217.patch"        "00fc630c9a46" "17pcprp452nslk6sac6sili0p74zh8w3g0v1wsdn0ikm9xmnphhv")
-        (mozilla-patch "icecat-bug-1261175.patch"        "f0ec180993d2" "0jiazxcwki83wr00fyh2g518ynsd33p7nk65zk4d1682gn22lc8v")
-        (mozilla-patch "icecat-bug-1433005.patch"        "a6a9e26688c1" "0cvizvilb4k422j2gzqcbakznvsffmk6n6xn1ayj5rgxfaizkkqk")
-        (mozilla-patch "icecat-bug-1434580.patch"        "198ad052621e" "1721zx8hifdlflrhvw6hmkdgjbvsmxl9n84iji5qywhlp2krdk9r")
-        (mozilla-patch "icecat-bug-1426087.patch"        "391ea77ebfdb" "1fhkvd0z6mvdkj7m0d3jlj42rsdw5r4x122c1wb1i428228ifw6n")))
-      (modules '((guix build utils)))
-      (snippet
-       '(begin
-          (use-modules (ice-9 ftw))
-          ;; Remove bundled libraries that we don't use, since they may
-          ;; contain unpatched security flaws, they waste disk space and
-          ;; network bandwidth, and may cause confusion.
-          (for-each delete-file-recursively
-                    '(;; FIXME: Removing the bundled icu breaks configure.
-                      ;;   * The bundled icu headers are used in some places.
-                      ;;   * The version number is taken from the bundled copy.
-                      ;;"intl/icu"
-                      ;;
-                      ;; FIXME: A script from the bundled nspr is used.
-                      ;;"nsprpub"
-                      ;;
-                      ;; TODO: Use system media libraries.  Waiting for:
-                      ;; <https://bugzilla.mozilla.org/show_bug.cgi?id=517422>
-                      ;;   * libogg
-                      ;;   * libtheora
-                      ;;   * libvorbis
-                      ;;   * libtremor (not yet in guix)
-                      ;;   * libopus
-                      ;;   * speex
-                      ;;   * soundtouch (not yet in guix)
-                      ;;
-                      "modules/freetype2"
-                      "modules/zlib"
-                      "modules/libbz2"
-                      "ipc/chromium/src/third_party/libevent"
-                      "media/libjpeg"
-                      "media/libvpx"
-                      "security/nss"
-                      "gfx/cairo"
-                      "gfx/harfbuzz"
-                      "gfx/graphite2"
-                      "js/src/ctypes/libffi"
-                      "db/sqlite3"))
-          ;; Delete .pyc files, typically present in icecat source tarballs
-          (for-each delete-file (find-files "." "\\.pyc$"))
-          ;; Delete obj-* directories, sometimes present in icecat tarballs
-          (for-each delete-file-recursively
-                    (scandir "." (lambda (name)
-                                   (string-prefix? "obj-" name))))
-          #t))))
-    (build-system gnu-build-system)
-    (inputs
-     `(("alsa-lib" ,alsa-lib)
-       ("bzip2" ,bzip2)
-       ("cairo" ,cairo)
-       ("cups" ,cups)
-       ("dbus-glib" ,dbus-glib)
-       ("gdk-pixbuf" ,gdk-pixbuf)
-       ("glib" ,glib)
-       ("gtk+" ,gtk+)
-       ("gtk+-2" ,gtk+-2)
-       ("graphite2" ,graphite2)
-       ("pango" ,pango)
-       ("freetype" ,freetype)
-       ("harfbuzz" ,harfbuzz)
-       ("hunspell" ,hunspell)
-       ("libcanberra" ,libcanberra)
-       ("libgnome" ,libgnome)
-       ("libjpeg-turbo" ,libjpeg-turbo)
-       ("libxft" ,libxft)
-       ("libevent" ,libevent-2.0)
-       ("libxinerama" ,libxinerama)
-       ("libxscrnsaver" ,libxscrnsaver)
-       ("libxcomposite" ,libxcomposite)
-       ("libxt" ,libxt)
-       ("libffi" ,libffi)
-       ("ffmpeg" ,ffmpeg)
-       ("libvpx" ,libvpx)
-       ("icu4c" ,icu4c)
-       ("pixman" ,pixman)
-       ("pulseaudio" ,pulseaudio)
-       ("mesa" ,mesa)
-       ("mit-krb5" ,mit-krb5)
-       ("nspr" ,nspr)
-       ("nss" ,nss)
-       ("sqlite" ,sqlite)
-       ("startup-notification" ,startup-notification)
-       ("unzip" ,unzip)
-       ("zip" ,zip)
-       ("zlib" ,zlib)))
-    (native-inputs
-     `(("perl" ,perl)
-       ("python" ,python-2) ; Python 3 not supported
-       ("python2-pysqlite" ,python2-pysqlite)
-       ("yasm" ,yasm)
-       ("pkg-config" ,pkg-config)
-       ("autoconf" ,autoconf-2.13)
-       ("which" ,which)))
-    (arguments
-     `(#:tests? #f          ; no check target
-       #:out-of-source? #t  ; must be built outside of the source directory
-
-       ;; XXX: There are RUNPATH issues such as
-       ;; $prefix/lib/icecat-31.6.0/plugin-container NEEDing libmozalloc.so,
-       ;; which is not in its RUNPATH, but they appear to be harmless in
-       ;; practice somehow.  See <http://hydra.gnu.org/build/378133>.
-       #:validate-runpath? #f
-
-       #:configure-flags '("--enable-default-toolkit=cairo-gtk3"
-                           "--enable-gio"
-                           "--enable-startup-notification"
-                           "--enable-pulseaudio"
-
-                           "--disable-gconf"
-                           "--disable-gnomeui"
-
-                           ;; Building with debugging symbols takes ~5GiB, so
-                           ;; disable it.
-                           "--disable-debug"
-                           "--disable-debug-symbols"
-
-                           ;; Hack to work around missing
-                           ;; "unofficial" branding in icecat.
-                           "--enable-official-branding"
-
-                           ;; Avoid bundled libraries.
-                           "--with-system-zlib"
-                           "--with-system-bz2"
-                           "--with-system-jpeg"        ; must be libjpeg-turbo
-                           "--with-system-libevent"
-                           "--with-system-libvpx"
-                           "--with-system-icu"
-                           "--with-system-nspr"
-                           "--with-system-nss"
-                           "--with-system-harfbuzz"
-                           "--with-system-graphite2"
-                           "--enable-system-pixman"
-                           "--enable-system-cairo"
-                           "--enable-system-ffi"
-                           "--enable-system-hunspell"
-                           "--enable-system-sqlite"
-
-                           ;; Fails with "--with-system-png won't work because
-                           ;; the system's libpng doesn't have APNG support".
-                           ;; According to
-                           ;; http://sourceforge.net/projects/libpng-apng/ ,
-                           ;; "the Animated Portable Network Graphics (APNG)
-                           ;; is an unofficial extension of the Portable
-                           ;; Network Graphics (PNG) format";
-                           ;; we probably do not wish to support it.
-                           ;; "--with-system-png"
-                           )
-
-       #:modules ((ice-9 ftw)
-                  (ice-9 rdelim)
-                  (ice-9 match)
-                  ,@%gnu-build-system-modules)
-       #:phases
-       (modify-phases %standard-phases
-         (add-after
-          'unpack 'ensure-no-mtimes-pre-1980
-          (lambda _
-            ;; Without this, the 'source/test/addons/packed.xpi' and
-            ;; 'source/test/addons/simple-prefs.xpi' targets fail while trying
-            ;; to create zip archives.
-            (let ((early-1980 315619200)) ; 1980-01-02 UTC
-              (ftw "." (lambda (file stat flag)
-                         (unless (<= early-1980 (stat:mtime stat))
-                           (utime file early-1980 early-1980))
-                         #t))
-              #t)))
-         (add-after
-          'unpack 'use-skia-by-default
-          (lambda _
-            ;; Use the bundled Skia library by default, since IceCat appears
-            ;; to be far more stable when using it than when using our system
-            ;; Cairo.
-            (let ((out (open "browser/app/profile/icecat.js"
-                              (logior O_WRONLY O_APPEND))))
-              (format out "~%// Use Skia by default~%")
-              (format out "pref(~s, ~s);~%" "gfx.canvas.azure.backends" "skia")
-              (format out "pref(~s, ~s);~%" "gfx.content.azure.backends" "skia")
-              (close-port out))
-            #t))
-         (add-after
-          'unpack 'arrange-to-link-libxul-with-libraries-it-might-dlopen
-          (lambda _
-            ;; libxul.so dynamically opens libraries, so here we explicitly
-            ;; link them into libxul.so instead.
-            ;;
-            ;; TODO: It might be preferable to patch in absolute file names in
-            ;; calls to dlopen or PR_LoadLibrary, but that didn't seem to
-            ;; work.  More investigation is needed.
-            (substitute* "toolkit/library/moz.build"
-              (("^# This library needs to be last" all)
-               (string-append "OS_LIBS += [
-    'GL', 'gnome-2', 'canberra', 'Xss', 'cups', 'gssapi_krb5',
-    'avcodec', 'avutil', 'pulse' ]\n\n"
-                              all)))
-            #t))
-         (replace
-          'configure
-          ;; configure does not work followed by both "SHELL=..." and
-          ;; "CONFIG_SHELL=..."; set environment variables instead
-          (lambda* (#:key outputs configure-flags #:allow-other-keys)
-            (let* ((out (assoc-ref outputs "out"))
-                   (bash (which "bash"))
-                   (abs-srcdir (getcwd))
-                   (srcdir (string-append "../" (basename abs-srcdir)))
-                   (flags `(,(string-append "--prefix=" out)
-                            ,(string-append "--with-l10n-base="
-                                            abs-srcdir "/l10n")
-                            ,@configure-flags)))
-              (setenv "SHELL" bash)
-              (setenv "CONFIG_SHELL" bash)
-              (setenv "AUTOCONF" (which "autoconf")) ; must be autoconf-2.13
-              (mkdir "../build")
-              (chdir "../build")
-              (format #t "build directory: ~s~%" (getcwd))
-              (format #t "configure flags: ~s~%" flags)
-              (zero? (apply system* bash
-                            (string-append srcdir "/configure")
-                            flags)))))
-         (add-before 'configure 'install-desktop-entry
-           (lambda* (#:key outputs #:allow-other-keys)
-             ;; Install the '.desktop' file.
-             (define (swallow-%%-directives input output)
-               ;; Interpret '%%ifdef' directives found in the '.desktop' file.
-               (let loop ((state 'top))
-                 (match (read-line input 'concat)
-                   ((? eof-object?)
-                    #t)
-                   ((? string? line)
-                    (cond ((string-prefix? "%%ifdef" line)
-                           (loop 'ifdef))
-                          ((string-prefix? "%%else" line)
-                           (loop 'else))
-                          ((string-prefix? "%%endif" line)
-                           (loop 'top))
-                          (else
-                           (case state
-                             ((top else)
-                              (display line output)
-                              (loop state))
-                             (else
-                              (loop state)))))))))
-
-             (let* ((out (assoc-ref outputs "out"))
-                    (applications (string-append out "/share/applications")))
-               (call-with-input-file "debian/icecat.desktop.in"
-                 (lambda (input)
-                   (call-with-output-file "debian/icecat.desktop"
-                     (lambda (output)
-                       (swallow-%%-directives input output)))))
-
-               (substitute* "debian/icecat.desktop"
-                 (("@MOZ_DISPLAY_NAME@")
-                  "GNU IceCat")
-                 (("^Exec=@MOZ_APP_NAME@")
-                  (string-append "Exec=" out "/bin/icecat"))
-                 (("@MOZ_APP_NAME@")
-                  "icecat"))
-               (install-file "debian/icecat.desktop" applications)
-               #t)))
-         (add-after 'install-desktop-entry 'install-icons
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (with-directory-excursion "browser/branding/official"
-                 (for-each
-                  (lambda (file)
-                    (let* ((size (string-filter char-numeric? file))
-                           (icons (string-append out "/share/icons/hicolor/"
-                                                 size "x" size "/apps")))
-                      (mkdir-p icons)
-                      (copy-file file (string-append icons "/icecat.png"))))
-                  '("default16.png" "default22.png" "default24.png"
-                    "default32.png" "default48.png" "content/icon64.png"
-                    "mozicon128.png" "default256.png"))))))
-         ;; This fixes the file chooser crash that happens with GTK 3.
-         (add-after 'install 'wrap-program
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (lib (string-append out "/lib"))
-                    (gtk (assoc-ref inputs "gtk+"))
-                    (gtk-share (string-append gtk "/share")))
-               (wrap-program (car (find-files lib "^icecat$"))
-                 `("XDG_DATA_DIRS" ":" prefix (,gtk-share)))))))))
-    (home-page "https://www.gnu.org/software/gnuzilla/")
-    (synopsis "Entirely free browser derived from Mozilla Firefox")
-    (description
-     "IceCat is the GNU version of the Firefox browser.  It is entirely free
-software, which does not recommend non-free plugins and addons.  It also
-features built-in privacy-protecting features.")
-    (license license:mpl2.0)     ;and others, see toolkit/content/license.html
-    (properties
-     `((ftp-directory . "/gnu/gnuzilla")
-       (cpe-name . "firefox_esr")
-       (cpe-version . ,(first (string-split version #\-)))))))
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2015 Sou Bunnbu <iyzsong@gmail.com>
+;;; Copyright © 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
+;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
+;;; Copyright © 2017 ng0 <ng0@n0.is>
+;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; 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 gnuzilla)
+  #:use-module ((srfi srfi-1) #:hide (zip))
+  #:use-module (ice-9 match)
+  #:use-module (gnu packages)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix hg-download)
+  #:use-module (guix gexp)
+  #:use-module (guix store)
+  #:use-module (guix monads)
+  #:use-module (guix utils)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system cargo)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages audio)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bash)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages libcanberra)
+  #:use-module (gnu packages cups)
+  #:use-module (gnu packages kerberos)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages libevent)
+  #:use-module (gnu packages libreoffice)  ;for hunspell
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages libffi)
+  #:use-module (gnu packages pulseaudio)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages node)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages gl)
+  #:use-module (gnu packages assembly)
+  #:use-module (gnu packages rust)
+  #:use-module (gnu packages rust-apps)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages nss)
+  #:use-module (gnu packages icu4c)
+  #:use-module (gnu packages video)
+  #:use-module (gnu packages xiph)
+  #:use-module (gnu packages xdisorg)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages sqlite))
+
+(define-public mozjs
+  (package
+    (name "mozjs")
+    (version "17.0.0")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append
+                   "https://ftp.mozilla.org/pub/mozilla.org/js/"
+                   name version ".tar.gz"))
+             (sha256
+              (base32
+               "1fig2wf4f10v43mqx67y68z6h77sy900d1w0pz9qarrqx57rc7ij"))
+             (patches (search-patches "mozjs17-aarch64-support.patch"))
+             (modules '((guix build utils)))
+             (snippet
+              ;; Fix incompatibility with Perl 5.22+.
+              '(begin
+                 (substitute* '("js/src/config/milestone.pl")
+                   (("defined\\(@TEMPLATE_FILE)") "@TEMPLATE_FILE"))
+                 #t))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("perl" ,perl)
+       ("pkg-config" ,pkg-config)
+       ("python" ,python-2)))
+    (propagated-inputs
+     `(("nspr" ,nspr))) ; in the Requires.private field of mozjs-17.0.pc
+    (inputs
+     `(("zlib" ,zlib)))
+    (arguments
+     `(;; XXX: parallel build fails, lacking:
+       ;;   mkdir -p "system_wrapper_js/"
+       #:parallel-build? #f
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'delete-timedout-test
+           ;; This test times out on slower hardware.
+           (lambda _
+             (delete-file "js/src/jit-test/tests/basic/bug698584.js")
+             #t))
+         (add-before 'configure 'chdir
+           (lambda _
+             (chdir "js/src")
+             #t))
+         (replace 'configure
+           ;; configure fails if it is followed by SHELL and CONFIG_SHELL
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (setenv "SHELL" (which "sh"))
+               (setenv "CONFIG_SHELL" (which "sh"))
+               (invoke "./configure" (string-append "--prefix=" out)
+                       ,@(if (string=? "aarch64-linux"
+                                       (%current-system))
+                             '("--host=aarch64-unknown-linux-gnu")
+                             '()))))))))
+    (home-page
+     "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey")
+    (synopsis "Mozilla javascript engine")
+    (description "SpiderMonkey is Mozilla's JavaScript engine written
+in C/C++.")
+    (license license:mpl2.0))) ; and others for some files
+
+(define-public mozjs-24
+  (package (inherit mozjs)
+    (name "mozjs")
+    (version "24.2.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://ftp.mozilla.org/pub/mozilla.org/js/"
+                    name "-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "1n1phk8r3l8icqrrap4czplnylawa0ddc2cc4cgdz46x3lrkybz6"))
+              (modules '((guix build utils)))
+              (patches (search-patches "mozjs24-aarch64-support.patch"))
+              (snippet
+               ;; Fix incompatibility with Perl 5.22+.
+               '(begin
+                  (substitute* '("js/src/config/milestone.pl")
+                    (("defined\\(@TEMPLATE_FILE)") "@TEMPLATE_FILE"))
+                  #t))))
+    (arguments
+      (substitute-keyword-arguments (package-arguments mozjs)
+        ((#:phases phases)
+         `(modify-phases ,phases
+            (replace 'configure
+              (lambda* (#:key outputs #:allow-other-keys)
+                (let ((out (assoc-ref outputs "out")))
+                  ;; configure fails if it is followed by SHELL and CONFIG_SHELL
+                  (setenv "SHELL" (which "sh"))
+                  (setenv "CONFIG_SHELL" (which "sh"))
+                  (invoke "./configure"
+                          (string-append "--prefix=" out)
+                          "--with-system-nspr"
+                          "--enable-system-ffi"
+                          "--enable-threadsafe"
+                          ,@(if (string=? "aarch64-linux"
+                                          (%current-system))
+                                '("--host=aarch64-unknown-linux-gnu")
+                                '())))))))))
+    (inputs
+     `(("libffi" ,libffi)
+       ("zlib" ,zlib)))))
+
+(define-public mozjs-38
+  (package
+    (inherit mozjs)
+    (name "mozjs")
+    (version "38.2.1.rc0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://anduin.linuxfromscratch.org/BLFS/mozjs/"
+                    name "-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "0p4bmbpgkfsj54xschcny0a118jdrdgg0q29rwxigg3lh5slr681"))
+              (patches
+               (search-patches
+                ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1269317 for
+                ;; GCC 6 compatibility.
+
+                "mozjs38-version-detection.patch" ; for 0ad
+                "mozjs38-tracelogger.patch"
+
+                ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1339931.
+                "mozjs38-pkg-config-version.patch"
+                "mozjs38-shell-version.patch"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; Fix incompatibility with sed 4.4.
+                  (substitute* "js/src/configure"
+                    (("\\^\\[:space:\\]") "^[[:space:]]"))
+
+                  ;; The headers are symlinks to files that are in /tmp, so they
+                  ;; end up broken.  Copy them instead.
+                  (substitute*
+                      "python/mozbuild/mozbuild/backend/recursivemake.py"
+                    (("\\['dist_include'\\].add_symlink")
+                     "['dist_include'].add_copy"))
+
+                  ;; Remove bundled libraries.
+                  (for-each delete-file-recursively
+                            '("intl"
+                              "js/src/ctypes/libffi"
+                              "js/src/ctypes/libffi-patches"
+                              "modules/zlib"))
+                  #t))))
+    (arguments
+     `(;; XXX: parallel build fails, lacking:
+       ;;   mkdir -p "system_wrapper_js/"
+       #:parallel-build? #f
+       ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1008470.
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (chdir "js/src")
+               (setenv "SHELL" (which "sh"))
+               (setenv "CONFIG_SHELL" (which "sh"))
+               (invoke "./configure"
+                       (string-append "--prefix=" out)
+                       "--enable-ctypes"
+                       "--enable-gcgenerational"
+                       "--enable-optimize"
+                       "--enable-pie"
+                       "--enable-readline"
+                       "--enable-shared-js"
+                       "--enable-system-ffi"
+                       "--enable-threadsafe"
+                       "--enable-xterm-updates"
+                       "--with-system-icu"
+                       "--with-system-nspr"
+                       "--with-system-zlib"
+
+                       ;; Intl API requires bundled ICU.
+                       "--without-intl-api")))))))
+    (native-inputs
+     `(("perl" ,perl)
+       ("pkg-config" ,pkg-config)
+       ("python-2" ,python-2)))
+    (inputs
+     `(("libffi" ,libffi)
+       ("readline" ,readline)
+       ("icu4c" ,icu4c)
+       ("zlib" ,zlib)))))
+
+(define-public mozjs-52
+  ;; No releases yet at <https://archive.mozilla.org/pub/spidermonkey/releases/>.
+  ;; While we could take a snapshot of the complete mozilla-esr52 repository at
+  ;; <https://treeherder.mozilla.org/#/jobs?repo=mozilla-esr52&filter-searchStr=sm-tc>,
+  ;; we take the Debian version instead, because it is easier to work with.
+  (let ((commit "6507e63cc416fd7a3269e390efe712f8b56f374a")
+        (revision "1"))
+    (package (inherit mozjs-38)
+      (version (git-version "52.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://salsa.debian.org/gnome-team/mozjs52.git")
+                      (commit commit)))
+                (file-name (git-file-name "mozjs" version))
+                (sha256
+                 (base32
+                  "1ny0s53r8wn4byys87h784xrq1xg767akmfm6gqrbvrz57mlm3q2"))))
+      (arguments
+       `(#:tests? #f ; depends on repository metadata
+         #:configure-flags
+         '("--enable-ctypes"
+           "--enable-optimize"
+           "--enable-pie"
+           "--enable-readline"
+           "--enable-shared-js"
+           "--enable-system-ffi"
+           "--with-system-icu"
+           "--with-system-nspr"
+           "--with-system-zlib"
+
+           ;; Intl API requires bundled ICU.
+           "--without-intl-api"
+
+           ;; Without this gnome-shell will crash at runtime.
+           "--disable-jemalloc")
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'patch-and-chdir
+             (lambda* (#:key inputs #:allow-other-keys)
+               ;; This patch prevents a segfault when executing JS_Init().
+               ;; The build does not fail without this patch, but the
+               ;; configure phase of the gjs package would fail.
+               ;; See https://bugzilla.mozilla.org/show_bug.cgi?id=1176787
+               (make-file-writable "js/src/old-configure.in")
+               (make-file-writable "js/src/old-configure")
+               (make-file-writable "mozglue/build/moz.build")
+               (invoke "patch" "-p1" "--force"
+                       "--input" "debian/patches/disable-mozglue.patch")
+               (invoke "touch" "js/src/configure")
+               (chdir "js/src")
+               #t))
+           (replace 'configure
+             (lambda* (#:key inputs outputs configure-flags #:allow-other-keys)
+               ;; The configure script does not accept environment variables
+               ;; as arguments.
+               (let ((out (assoc-ref outputs "out")))
+                 (setenv "SHELL" (which "sh"))
+                 (setenv "CONFIG_SHELL" (which "sh"))
+                 (setenv "AUTOCONF" (string-append (assoc-ref inputs "autoconf")
+                                                   "/bin/autoconf"))
+                 (apply invoke "./configure"
+                        (cons (string-append "--prefix=" out)
+                              configure-flags))))))))
+      (native-inputs
+       `(("autoconf" ,autoconf-2.13)
+         ("automake" ,automake)
+         ,@(package-native-inputs mozjs-38))))))
+
+(define-public mozjs-60
+  ;; No releases yet at <https://archive.mozilla.org/pub/spidermonkey/releases/>.
+  ;; While we could take a snapshot of the complete mozilla-esr60 repository at
+  ;; <https://treeherder.mozilla.org/#/jobs?repo=mozilla-esr60&filter-searchStr=sm-tc>,
+  ;; we take the Debian version instead, because it is easier to work with.
+  (package
+    (inherit mozjs-38)
+    (version "60.2.3-2")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://salsa.debian.org/gnome-team/mozjs60.git")
+                    (commit (string-append "debian/" version))))
+              (file-name (git-file-name "mozjs" version))
+              (sha256
+               (base32
+                "091w050rwzrdcbgyi934k2viyccmlqxrp13sm2mql71mabb5dai6"))))
+    (arguments
+     `(#:tests? #f ; FIXME: all tests pass, but then the check phase fails anyway.
+       #:test-target "check-jstests"
+       #:configure-flags
+       '("--enable-ctypes"
+         "--enable-optimize"
+         "--enable-pie"
+         "--enable-readline"
+         "--enable-shared-js"
+         "--enable-system-ffi"
+         "--with-system-nspr"
+         "--with-system-zlib"
+         "--with-system-icu"
+         "--with-intl-api"
+         ;; This is important because without it gjs will segfault during the
+         ;; configure phase.  With jemalloc only the standalone mozjs console
+         ;; will work.
+         "--disable-jemalloc")
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key inputs outputs configure-flags #:allow-other-keys)
+             ;; The configure script does not accept environment variables as
+             ;; arguments.  It also must be run from a different directory,
+             ;; but not the root directory either.
+             (let ((out (assoc-ref outputs "out")))
+               (mkdir "run-configure-from-here")
+               (chdir "run-configure-from-here")
+               (setenv "SHELL" (which "sh"))
+               (setenv "CONFIG_SHELL" (which "sh"))
+               (setenv "AUTOCONF" (string-append (assoc-ref inputs "autoconf")
+                                                 "/bin/autoconf"))
+               (apply invoke "../js/src/configure"
+                      (cons (string-append "--prefix=" out)
+                            configure-flags))
+               #t)))
+         (add-after 'unpack 'disable-broken-tests
+           (lambda _
+             ;; This test assumes that /bin exists and contains certain
+             ;; executables.
+             (delete-file "js/src/tests/shell/os.js")
+             #t)))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("which" ,which)
+       ("perl" ,perl)
+       ("pkg-config" ,pkg-config)
+       ("python" ,python-2)))))
+
+(define mozilla-compare-locales
+  (origin
+    (method hg-fetch)
+    (uri (hg-reference
+          (url "https://hg.mozilla.org/l10n/compare-locales/")
+          (changeset "RELEASE_3_3_0")))
+    (file-name "mozilla-compare-locales")
+    (sha256 (base32 "0biazbq7vbi99b99rfn4szwyx032dkpi09c9z4zs6f1br0f86iy1"))))
+
+(define (mozilla-locale locale changeset hash-string)
+  (origin
+    (method hg-fetch)
+    (uri (hg-reference
+          (url (string-append "https://hg.mozilla.org/l10n-central/"
+                              locale))
+          (changeset changeset)))
+    (file-name (string-append "mozilla-locale-" locale))
+    (sha256 (base32 hash-string))))
+
+(define-syntax-rule (mozilla-locales (hash-string changeset locale) ...)
+  (list (mozilla-locale locale changeset hash-string)
+        ...))
+
+(define all-mozilla-locales
+  (mozilla-locales
+   ;;                      sha256                            changeset    locale
+   ;;---------------------------------------------------------------------------
+   ("0pybx6j2ycbrr1xmv0spv19sd8a1dyzcs8kf6pzn71w8y6kiagcf" "35959cf2343c" "ach")
+   ("0dixmkha738w7fkx20nx95xkfyrqb9vczpy6m03qnqfvb76xaxj5" "e8dc1010f909" "af")
+   ("124j09va25gwfxdzyfixrli0skxv53c7niagjyp7g3a3kcv2lbhc" "4c67f6b96a7b" "an")
+   ("0flgqll3xx0ym0zj0w9j2jw3fmhs6h9m4l5da6m0bpnk5ff80r06" "34cbea5f44a5" "ar")
+   ("0kdb1yqfbfz508f4p77z3p1v6fwy190vs5ipj58hgdixjgbxkqay" "b4790b27633c" "ast")
+   ("1vm5xw6wg12pygswd3p0qpkaxyryah6nif5n15chb4sb42c1gqcm" "96d341bf49d4" "az")
+   ("1j2qrrws51qij6haz5b77n5vzqhsxgs1ppqqw4mdrkacwvz4ciwh" "4adaede00646" "be")
+   ("0ydr8f9lbd51prgcbjb5yacb461j8va0s5bqfs0rnglkvhmk6ard" "d1140972aefe" "bg")
+   ("0wyw90zjp8kpd1gljng00in9wr2cf59ww6z002lgx5k4gibnqcfd" "2b3ce92c2310" "bn")
+   ("0kkq621h1qdmimyrmms9g5p70m54z2ddw4cd962nqbkrnmabq9vn" "426896350893" "br")
+   ("0vibhnb3cbpbgf10db04g6vm372kb9i27p0jkwif019f7qprswd8" "7463f339ce07" "bs")
+   ("1l8cn2fqfvx7bswzfy9vavv8cd32ha9ygdxxdbxi64wcgw0f80bf" "dab3f05125e4" "ca")
+   ("0fik17y8zyg9w82lq501ic73a53c0q9r8v4zgn9bnzgsygig8qpq" "ebb9d989275a" "cak")
+   ("0sj29v6144h39wzb4rvxph3cwgvs4gzkgpr0463d3fcs6jdi0kjs" "522352780348" "cs")
+   ("1nz8jlx62l69jcdi59hlk8jysm15sh3d1cxqginjmx7w351wsidm" "0791b954c333" "cy")
+   ("1vc01q1vlq26xm1vm1x0119jawxxp975p9k8ashmiwncl1bvqb48" "121f5f876f4c" "da")
+   ("1iqny61rg57banfbbskc2y3pr6d35fabnxmynv7vxm9jd86pndz3" "95fb3e99a2bc" "de")
+   ("06v9j8acx5h8za7m65v6qm0wjbkx6vm46m8sigcp69phyg3fjc96" "90e681b74587" "dsb")
+   ("0lbk90x2dxdbh63fycqxspx6jqq2zlzys6grg45balw8yyvzqrkz" "58ba4c13fd42" "el")
+   ("0c2ypvy0z8g78s5158v6h9khckq1xps34r5wbiiciix289m43dgl" "8953d8c98a30" "en-CA")
+   ("0z3riz3w2z6p710p90ridmwwam4snnz5mn90gd4jc1h2n7vc9mr0" "5a2b9bca3f52" "en-GB")
+   ("102gn3h4ap8c3x1p7vfc88vapkfiz6264y6byhxy1axxjk3x3a77" "e87cb1c61d6e" "eo")
+   ("148wj6wsx0aq7cpaxk8njj7cb1wfjr2m96dgxq6b3qcv781ldvjn" "5db15fdf95d5" "es-AR")
+   ("0r11d8vzvbyz17n371byvkrnszcv1zhr7rg64i58xra3y6d7is7n" "ce2ee0e51a92" "es-CL")
+   ("1xmqa8p7lpqvkgg879hfnmf6kxcpawjk8z31cdzfp1hrdlmxg8n7" "7346617620f3" "es-ES")
+   ("0jxv3jh2018lnybr9mzqrffvwmr87yab9bh8lxqjj294fxw1hrxm" "687f05eb0c58" "es-MX")
+   ("1rpgv7pajv4xldsn1xxsia5j72vn3x8zl5wmbzkyw56lvn9fckvf" "839a5029c496" "et")
+   ("0hxp4fr3y05rkpamdb1hlmybn6d3bv3rcawjm3axbpqxbyfdpfzc" "54e8d87230c9" "eu")
+   ("1y50knymnmcihw8bhvahicc386mjm6dx4hx0j6fv8sl23wzx2h9m" "c5ffca960f9c" "fa")
+   ("0pj9zgi0c3yl3myhvb5afiijayp2lqzhlk630ahxn5hgjgkz0lx7" "75c000a8538d" "ff")
+   ("199jg0zv7wp1cq0ik2hf84j99jx5vq2jwac0gaayvjzkh2z83jqr" "f11b2e689e7b" "fi")
+   ("1vxkiwwni7470ywy99arxxa56ljkhjrhxslsp1l1l61g6gdbbspr" "49ec4f791806" "fr")
+   ("0d8gwdcj0jpjv03nhjds8jrg86pg371xpylaibwri76wlyl7m54i" "faa761a5cfdc" "fy-NL")
+   ("0nipbxx11a2sjadzhbi88vgknw5hzr4nqy2722q3kc1212jbi754" "5bd9466f9f9d" "ga-IE")
+   ("0bay8mrm65cvmnvqpwqgzr0h3cb18ifzg5kbsbxcvdfm9xv0zi9g" "a4f6a47e82dd" "gd")
+   ("00kn5w3nnpw1pxg6hhrn9asf9hgpjd6ia4038iwzcqs68w887qcy" "6c2aa01ada4e" "gl")
+   ("0jj13i0ach85c975vaz2rr83mibs29ipssa7qsjkb0y2ch6xya1k" "c2d607e36cb5" "gn")
+   ("1nhqbgzilcb0pr7941dxkhg079bf8v7ldikp1s5xli34wf9sabm2" "f34465d6ac1c" "gu-IN")
+   ("11bh0541d996cfin1zy72l66753q94i4idgv2waf0h40h9g3z1bm" "c2ecb2762274" "he")
+   ("1lslji7hh5lx5ig1xgfjh4cdindsgh3n2a7qlvzwz96gda43lvv4" "94d2bb10ee03" "hi-IN")
+   ("1nx5yw00l25i3m3grdm29mi9mi7h0cy5qx02pypir754pk3hiwcc" "08df0d94edd5" "hr")
+   ("19yc9dk2pwqycynmx58d1ik6x4mnyfxscgr6sg676dpl613xd7nq" "21b614e77025" "hsb")
+   ("0l3z64jlx6b6ivk1b5hwqyx9hm1m5721ywnb2m4zmg3g9fw4vn7f" "f82cad7170af" "hu")
+   ("1sn0dxbbf2zwcpybwcw77qb4p0hf6fxapnsnn4avaab5g55dlgz4" "d94c30920396" "hy-AM")
+   ("0c92cqxrhv4317kirmhpjk7mrq44yn6fp3v6syxnhz7xwxnhshjm" "6a5f176b0626" "ia")
+   ("03gyg9gqsd6pwb9nydglhm46fi2wk2p2qygmhmrf8hnav3ba7n0r" "94e4302e0f85" "id")
+   ("0ky8aaps92mn56rvkwn0i13wg8av8hzi1fvr0ahqhjcpj5sfgdwq" "eca348a59888" "is")
+   ("01py0sfg7nljcsgpivryrvai4p4wzbcvhgc2ymr19r579nv1vw7g" "d541a6197359" "it")
+   ("0iv7vmj43njmi7g1gjzsv68ax4j502d2wnkvbfz1rx11lrqs7yw1" "a5ab3a1d95b7" "ja")
+   ("1sr9ccshcw6agbj4hbnpblxixb1jz0m36glas6f9ahxmi7m605si" "63763ffa5a94" "ja-JP-mac")
+   ("1as33pzcsdkynrj16dv7w642vl6plbhk650am4l5djwm64f2rgms" "aa83e8555ddc" "ka")
+   ("1jwaqb5qps3i5y9iw8l2hrwa0n8lfnx1k9x0p54y3jkh6p3q3fzc" "0e0e25c26247" "kab")
+   ("0cjfiwv0q5i8d7fpwb4m2w5ahq687dqjlwlicgpa443yi2zsxr4s" "33117723ceb1" "kk")
+   ("0k5b56cv39aaxf9r0p9c27f3fp6yq2ffd4w6qmd0ibpl69sm629d" "aff7b2a7825e" "km")
+   ("1a0zg96jgq4zn9cz0h2qwc0vv1fbkfzs5qrgabg62wqgz286jvvv" "ea91638cb1dd" "kn")
+   ("0jhmv2n3yx55r6fg3myg7j1c1nhsv25g016m6lh2j023xbr723gp" "88821009b5b3" "ko")
+   ("06bybgv4m4i7r9p0qld65j31vbrnljhsdj649dl93msv2r69ilif" "88685d5f07b3" "lij")
+   ("1bzjf8smw6ngi88j5g3fawrg54m8fifbhshwjbgkpj7rnrpjgh4w" "e046c7ffa7d0" "lt")
+   ("18dmzmpavijb7fwzffas0j5nb6byqp8h6ki7hhf6qb35diqgfq6n" "c520ef4f576c" "lv")
+   ("055zf7xj5h1h8mzxj1cjzhngpcvg2p5vs2dmffsa5zfprj02d0dm" "9e43723f18ad" "mk")
+   ("1496fbyyzcl075gzcd3xy50h9jyhnzgb544k1scji56yhyfajacb" "ce615fef92c1" "mr")
+   ("1wc1q8ksry181pvnysqsq4dhhsg5adw5vgqafmmq5sf6i2bwn2z0" "4fefe88cfaee" "ms")
+   ("0awf6mrdwdhy2yvxynssvp1zg1nc2fqbmg2d2bhjcib69zx944xw" "3987a06866fd" "my")
+   ("1hycvz7i4jd40hfs5abx6sgfdkafg0jhdgqih9b7lb08aqcl35pj" "2b3b8997d9a1" "nb-NO")
+   ("048z1ib46izwryyy8l1x71kq4775n7l2ilbskhsyrbxqryma13k8" "f25324281615" "ne-NP")
+   ("1qkxqpyr4la9bn1bqsgc2h9869arglh9n2kwpkq6722jzdbynkz2" "04c7d32c57f6" "nl")
+   ("08gnmdll55dbqj7qs63gq1kljbvg24nzns6q4m0av3sszsic0jv5" "5587520e5019" "nn-NO")
+   ("1yh2p4ipj5p2b7gh0xxj0n7ndvwn5bw2773ibrh7vz932mkzhhjn" "499386b02695" "oc")
+   ("0kjbnixjzv9hvyba4ll20gs76vx84pviy134fvpjp9lfjpnpib55" "31c01c325675" "pa-IN")
+   ("0g61imvr4639bbydyi0kwc1il7l1gzlfij4ywx7hdcmq2x6vgb9v" "fb5f3b8dea09" "pl")
+   ("13n68d7z94d7943m6fwl4kizbqm3wp82xz69vng4w9vyqlvv7d41" "9a541cbdc748" "pt-BR")
+   ("1j8afvrl1afmj2zixrp91rrhag5w4xw90raca1ic6mxyih9kvdi4" "edc959a685c2" "pt-PT")
+   ("0wf4a6q9nvcmam2g8ksbymjdnrz59pdr5nirfpjprfhifjmxx4nn" "d2699db715cd" "rm")
+   ("1k9qalir5pbh490w1mxyq31yhy9hbxsyrrk11hwlwlgn6syp9nvp" "b5460a9017bc" "ro")
+   ("1avy6wyfa5lbvy36wai6mwhhh6x1y8a0jyjk8hvjn52yfxj1gypk" "59ffa8ad047a" "ru")
+   ("1cakhm4jxcw1ij0l1vhxw74hsp5wg68i3319dkdncyyc5a2s1qv9" "8b3c8a7ebdfa" "si")
+   ("0s534r09bqdfvw3q17y9b1035kzzlafjv656v73mqhyz3fkffsx5" "cb39dc77980e" "sk")
+   ("1s58vgmnb9aiaiaqwwcivq3iyzpzj527w2aqh2nrh6xmaw7f43sr" "17d7969b1d9a" "sl")
+   ("147qm7x5z8rkf24jpqvkdlqg0fjz1l3zwnaxvkh9y2jpzv7m0x7z" "c55b0e9ff99d" "son")
+   ("0nn4r1rxi8cy7x9nmn5ljd8gcsn2rjl2ma2j7waxkafkm4rs6n20" "2bb3808072da" "sq")
+   ("0jsb01b94z7qbm59yaj56nb7yx7a6hpgw8v6nzwhbvmnmcsird4p" "c323c0d02d61" "sr")
+   ("1n7vv9y4sk3gig56rgfd2jk8jr2160grxk31bd1wkm7fvbndd259" "4220ce487cbc" "sv-SE")
+   ("06270mq7gajxfrsb8gqd25v2dac68ask5vvlh6kkkp3hrgy02vid" "6a1dbc2fe1d3" "ta")
+   ("10az7pd3npa7n8wq0qywvsj2qrx9592i2wffs3rnc1fviv1i1q0y" "028505b5ecd1" "te")
+   ("0yj0c3iyibb3jyypvyiyhbr9asxa48v0nq21kcf9gphi8fnyp5if" "e44d38b6a67b" "th")
+   ("1qc4nvhw834lx7p304fxma0fjdr4xfj4lf69dhh6biqz795lx45p" "1e0771d95708" "tr")
+   ("1g4y2yq5xp61ncy7c08j7fqqr1jc0m1hjxmbg5659wzif3b3dkg4" "e3c96943e98f" "uk")
+   ("1zbi28z1c3p5il7ndixyjsv4nrimzq36zjvlmq10am38ycqr9df8" "f35da1b02691" "ur")
+   ("1jrxjjj8k771y0wljqbadxdj4pasg0771jmg4l3hvpgs929i3j9g" "6fd2084b3efe" "uz")
+   ("1f8sqgxzgqmw6vzjv3f49lg43q09i3j62f471864vr71815agl8n" "33b5dfd0cd63" "vi")
+   ("0ssnsbxw3q5k88fa081gkn1mbqn4j7bm6vb7yvz6h44j214xkz9x" "2d87c0740715" "xh")
+   ("0kd3mrvvgczhsmw4rvpxxxc71bb469ayr8r4azf7gc0y5nmlm950" "a2b6625688d3" "zh-CN")
+   ("0qy1asyfplkyc89z3g3gfm7b32aka92350b3ayv9d9dcgwxmfdwz" "4d6e959a13d1" "zh-TW")))
+
+(define (mozilla-patch file-name changeset hash)
+  "Return an origin for CHANGESET from the mozilla-esr60 repository."
+  (origin
+    (method url-fetch)
+    (uri (string-append "https://hg.mozilla.org/releases/mozilla-esr60/raw-rev/"
+                        changeset))
+    (sha256 (base32 hash))
+    (file-name file-name)))
+
+(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)
+                      #:graft? #f       ;nothing to graft
+                      #:system system
+                      #:guile-for-build guile)))
+
+(define %icecat-version "68.4.1-guix0-preview1")
+(define %icecat-build-id "20200108000000") ;must be of the form YYYYMMDDhhmmss
+
+;; 'icecat-source' is a "computed" origin that generates an IceCat tarball
+;; from the corresponding upstream Firefox ESR tarball, using the 'makeicecat'
+;; script from the upstream IceCat project.
+(define icecat-source
+  (let* ((base-version (first (string-split %icecat-version #\-)))
+
+         (major-version (first  (string-split base-version #\.)))
+         (minor-version (second (string-split base-version #\.)))
+         (sub-version   (third  (string-split base-version #\.)))
+
+         (upstream-firefox-version (string-append base-version "esr"))
+         (upstream-firefox-source
+          (origin
+            (method url-fetch)
+            (uri (string-append
+                  "https://ftp.mozilla.org/pub/firefox/releases/"
+                  upstream-firefox-version "/source/"
+                  "firefox-" upstream-firefox-version ".source.tar.xz"))
+            (sha256
+             (base32
+              "0q7kv70w1d33m12hkzyay6nkgvz9qczrl6hqx0n1c6grs097f2m0"))))
+
+         (upstream-icecat-base-version "68.4.1") ; maybe older than base-version
+         ;;(gnuzilla-commit (string-append "v" upstream-icecat-base-version))
+         (gnuzilla-commit "2d1b1bc45fdae5a99c4e8ea25593ebb9c8d7bfdf")
+         (gnuzilla-source
+          (origin
+            (method git-fetch)
+            (uri (git-reference
+                  (url "git://git.savannah.gnu.org/gnuzilla.git")
+                  (commit gnuzilla-commit)))
+            (file-name (git-file-name "gnuzilla"
+                                      ;;upstream-icecat-base-version
+                                      (string-take gnuzilla-commit 8)))
+            (sha256
+             (base32
+              "0hc9sx3yb71xvr9s1p0z5fx8jfqpssb8wz0h2nzhy2nyp9bb2jzl"))))
+
+         (makeicecat-patch
+          (local-file (search-patch "icecat-makeicecat.patch"))))
+
+    (origin
+      (method computed-origin-method)
+      (file-name (string-append "icecat-" %icecat-version ".tar.xz"))
+      (sha256 #f)
+      (uri
+       (delay
+        (with-imported-modules '((guix build utils))
+          #~(begin
+              (use-modules (guix build utils))
+              (let ((firefox-dir
+                     (string-append "firefox-" #$base-version))
+                    (icecat-dir
+                     (string-append "icecat-" #$%icecat-version)))
+
+                (mkdir "/tmp/bin")
+                (set-path-environment-variable
+                 "PATH" '("bin")
+                 (list "/tmp"
+                       #+(canonical-package bash)
+                       #+(canonical-package coreutils)
+                       #+(canonical-package findutils)
+                       #+(canonical-package patch)
+                       #+(canonical-package xz)
+                       #+(canonical-package sed)
+                       #+(canonical-package grep)
+                       #+(canonical-package bzip2)
+                       #+(canonical-package gzip)
+                       #+(canonical-package tar)
+                       #+rename))
+
+                (symlink #+(file-append rename "/bin/rename")
+                         "/tmp/bin/prename")
+
+                ;; We copy the gnuzilla source directory because it is
+                ;; read-only in 'gnuzilla-source', and the makeicecat script
+                ;; uses "cp -a" to copy parts of it and assumes that the
+                ;; copies will be writable.
+                (copy-recursively #+gnuzilla-source "/tmp/gnuzilla"
+                                  #:log (%make-void-port "w"))
+
+                (with-directory-excursion "/tmp/gnuzilla"
+                  (make-file-writable "makeicecat")
+                  (invoke "patch" "--force" "--no-backup-if-mismatch"
+                          "-p1" "--input" #+makeicecat-patch)
+                  (patch-shebang "makeicecat")
+                  (substitute* "makeicecat"
+                    (("^FFMAJOR=(.*)" all ffmajor)
+                     (unless (string=? #$major-version
+                                       (string-trim-both ffmajor))
+                       ;; The makeicecat script cannot be expected to work
+                       ;; properly on a different version of Firefox, even if
+                       ;; no errors occur during execution.
+                       (error "makeicecat major version mismatch"))
+                     (string-append "FFMAJOR=" #$major-version "\n"))
+                    (("^FFMINOR=.*")
+                     (string-append "FFMINOR=" #$minor-version "\n"))
+                    (("^FFSUB=.*")
+                     (string-append "FFSUB=" #$sub-version "\n"))
+                    (("^DATA=.*")
+                     "DATA=/tmp/gnuzilla/data\n")
+                    (("/bin/sed")
+                     #+(file-append (canonical-package sed) "/bin/sed"))))
+
+                (format #t "Unpacking upstream firefox tarball...~%")
+                (force-output)
+                (invoke "tar" "xf" #+upstream-firefox-source)
+                (rename-file firefox-dir icecat-dir)
+
+                (with-directory-excursion icecat-dir
+                  (format #t "Populating l10n directory...~%")
+                  (force-output)
+                  (mkdir "l10n")
+                  (with-directory-excursion "l10n"
+                    (for-each
+                     (lambda (locale-dir)
+                       (let ((locale
+                              (string-drop (basename locale-dir)
+                                           (+ 32  ; length of hash
+                                              (string-length "-mozilla-locale-")))))
+                         (format #t "  ~a~%" locale)
+                         (force-output)
+                         (copy-recursively locale-dir locale
+                                           #:log (%make-void-port "w"))
+                         (for-each make-file-writable (find-files locale))
+                         (with-directory-excursion locale
+                           (when (file-exists? ".hgtags")
+                             (delete-file ".hgtags"))
+                           (mkdir-p "browser/chrome/browser/preferences")
+                           (call-with-output-file
+                               "browser/chrome/browser/preferences/advanced-scripts.dtd"
+                             (lambda (port) #f)))))
+                     '#+all-mozilla-locales)
+                    (copy-recursively #+mozilla-compare-locales
+                                      "compare-locales"
+                                      #:log (%make-void-port "w"))
+                    (delete-file "compare-locales/.gitignore")
+                    (delete-file "compare-locales/.hgignore")
+                    (delete-file "compare-locales/.hgtags"))
+
+                  (format #t "Running makeicecat script...~%")
+                  (force-output)
+                  (invoke "bash" "/tmp/gnuzilla/makeicecat"))
+
+                (format #t "Packing IceCat source tarball...~%")
+                (force-output)
+                (invoke "tar" "cfa" #$output
+                        ;; Avoid non-determinism in the archive.  We set the
+                        ;; mtime of files in the archive to early 1980 because
+                        ;; the build process fails if the mtime of source
+                        ;; files is pre-1980, due to the creation of zip
+                        ;; archives.
+                        "--mtime=@315619200" ; 1980-01-02 UTC
+                        "--owner=root:0"
+                        "--group=root:0"
+                        "--sort=name"
+                        icecat-dir)
+
+                #t))))))))
+
+(define-public icecat
+  (package
+    (name "icecat")
+    (version %icecat-version)
+    (source icecat-source)
+    (build-system gnu-build-system)
+    (inputs
+     `(("alsa-lib" ,alsa-lib)
+       ("bzip2" ,bzip2)
+       ("cups" ,cups)
+       ("dbus-glib" ,dbus-glib)
+       ("gdk-pixbuf" ,gdk-pixbuf)
+       ("glib" ,glib)
+       ("gtk+" ,gtk+)
+       ("gtk+-2" ,gtk+-2)
+       ("graphite2" ,graphite2)
+       ("pango" ,pango)
+       ("freetype" ,freetype)
+       ("harfbuzz" ,harfbuzz)
+       ("libcanberra" ,libcanberra)
+       ("libgnome" ,libgnome)
+       ("libjpeg-turbo" ,libjpeg-turbo)
+       ("libogg" ,libogg)
+       ;; ("libtheora" ,libtheora) ; wants theora-1.2, not yet released
+       ("libvorbis" ,libvorbis)
+       ("libxft" ,libxft)
+       ("libevent" ,libevent)
+       ("libxinerama" ,libxinerama)
+       ("libxscrnsaver" ,libxscrnsaver)
+       ("libxcomposite" ,libxcomposite)
+       ("libxt" ,libxt)
+       ("libffi" ,libffi)
+       ("ffmpeg" ,ffmpeg)
+       ("libvpx" ,libvpx-1.7)
+       ("icu4c" ,icu4c)
+       ("pixman" ,pixman)
+       ("pulseaudio" ,pulseaudio)
+       ("mesa" ,mesa)
+       ("mit-krb5" ,mit-krb5)
+       ;; See <https://bugs.gnu.org/32833>
+       ;;   and related comments in the 'remove-bundled-libraries' phase.
+       ;; UNBUNDLE-ME! ("nspr" ,nspr)
+       ;; UNBUNDLE-ME! ("nss" ,nss)
+       ("sqlite" ,sqlite)
+       ("startup-notification" ,startup-notification)
+       ("unzip" ,unzip)
+       ("zip" ,zip)
+       ("zlib" ,zlib)))
+    (native-inputs
+     ;; The following patches are specific to the Guix packaging of IceCat,
+     ;; and therefore we prefer to leave them out of 'source', which should be
+     ;; a tarball suitable for compilation on any system that IceCat supports.
+     ;; (Bug fixes and security fixes, however, should go in 'source').
+     `(;; XXX TODO: Adapt these patches to IceCat 68.
+       ;; ("icecat-avoid-bundled-libraries.patch"
+       ;;  ,(search-patch "icecat-avoid-bundled-libraries.patch"))
+       ;; ("icecat-use-system-graphite2+harfbuzz.patch"
+       ;;  ,(search-patch "icecat-use-system-graphite2+harfbuzz.patch"))
+       ;; ("icecat-use-system-media-libs.patch"
+       ;;  ,(search-patch "icecat-use-system-media-libs.patch"))
+
+       ("patch" ,(canonical-package patch))
+
+       ("rust" ,rust)
+       ("cargo" ,rust "cargo")
+       ("rust-cbindgen" ,rust-cbindgen)
+       ("llvm" ,llvm)
+       ("clang" ,clang)
+       ("perl" ,perl)
+       ("node" ,node)
+       ("python" ,python)
+       ("python-2" ,python-2)
+       ("python2-pysqlite" ,python2-pysqlite)
+       ("yasm" ,yasm)
+       ("nasm" ,nasm)  ; XXX FIXME: only needed on x86_64 and i686
+       ("pkg-config" ,pkg-config)
+       ("autoconf" ,autoconf-2.13)
+       ("which" ,which)))
+    (arguments
+     `(#:tests? #f          ; no check target
+       #:out-of-source? #t  ; must be built outside of the source directory
+
+       ;; XXX: There are RUNPATH issues such as
+       ;; $prefix/lib/icecat-31.6.0/plugin-container NEEDing libmozalloc.so,
+       ;; which is not in its RUNPATH, but they appear to be harmless in
+       ;; practice somehow.  See <http://hydra.gnu.org/build/378133>.
+       #:validate-runpath? #f
+
+       #:configure-flags `("--enable-default-toolkit=cairo-gtk3"
+
+                           "--with-distribution-id=org.gnu"
+
+                           ;; Do not require addons in the global app
+                           ;; directory to be signed by Mozilla.
+                           "--with-unsigned-addon-scopes=app"
+
+                           "--enable-startup-notification"
+                           "--enable-pulseaudio"
+
+                           "--disable-tests"
+                           "--disable-updater"
+                           "--disable-crashreporter"
+                           "--disable-eme"
+                           "--disable-gconf"
+
+                           ;; Building with debugging symbols takes ~5GiB, so
+                           ;; disable it.
+                           "--disable-debug"
+                           "--disable-debug-symbols"
+
+                           ;; Clang is needed to build Stylo, Mozilla's new
+                           ;; CSS engine.  We must specify the clang paths
+                           ;; manually, because otherwise the Mozilla build
+                           ;; system looks in the directories returned by
+                           ;; llvm-config --bindir and llvm-config --libdir,
+                           ;; which return paths in the llvm package where
+                           ;; clang is not found.
+                           ,(string-append "--with-clang-path="
+                                           (assoc-ref %build-inputs "clang")
+                                           "/bin/clang")
+                           ,(string-append "--with-libclang-path="
+                                           (assoc-ref %build-inputs "clang")
+                                           "/lib")
+
+                           ;; Hack to work around missing
+                           ;; "unofficial" branding in icecat.
+                           "--enable-official-branding"
+
+                           ;; Avoid bundled libraries.
+                           "--with-system-zlib"
+                           "--with-system-bz2"
+                           "--with-system-jpeg"        ; must be libjpeg-turbo
+                           ;; UNBUNDLE-ME! "--with-system-libevent"
+                           ;; UNBUNDLE-ME! "--with-system-ogg"
+                           ;; UNBUNDLE-ME! "--with-system-vorbis"
+                           ;; UNBUNDLE-ME! "--with-system-theora" ; wants theora-1.2, not yet released
+                           ;; UNBUNDLE-ME! "--with-system-libvpx"
+                           "--with-system-icu"
+                           
+                           ;; See <https://bugs.gnu.org/32833>
+                           ;;   and related comments in the
+                           ;;   'remove-bundled-libraries' phase below.
+                           ;; UNBUNDLE-ME! "--with-system-nspr"
+                           ;; UNBUNDLE-ME! "--with-system-nss"
+                           
+                           ;; UNBUNDLE-ME! "--with-system-harfbuzz"
+                           ;; UNBUNDLE-ME! "--with-system-graphite2"
+                           "--enable-system-pixman"
+                           "--enable-system-ffi"
+                           ;; UNBUNDLE-ME! "--enable-system-sqlite"
+
+                           ;; Fails with "--with-system-png won't work because
+                           ;; the system's libpng doesn't have APNG support".
+                           ;; According to
+                           ;; http://sourceforge.net/projects/libpng-apng/ ,
+                           ;; "the Animated Portable Network Graphics (APNG)
+                           ;; is an unofficial extension of the Portable
+                           ;; Network Graphics (PNG) format";
+                           ;; we probably do not wish to support it.
+                           ;; "--with-system-png"
+                           )
+
+       #:imported-modules ,%cargo-utils-modules ;for `generate-all-checksums'
+
+       #:modules ((ice-9 ftw)
+                  (ice-9 rdelim)
+                  (ice-9 match)
+                  (srfi srfi-34)
+                  (srfi srfi-35)
+                  ,@%gnu-build-system-modules)
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'apply-guix-specific-patches
+           (lambda* (#:key inputs native-inputs #:allow-other-keys)
+             (let ((patch (string-append (assoc-ref (or native-inputs inputs)
+                                                    "patch")
+                                         "/bin/patch")))
+               (for-each (match-lambda
+                           ((label . file)
+                            (when (and (string-prefix? "icecat-" label)
+                                       (string-suffix? ".patch" label))
+                              (format #t "applying '~a'...~%" file)
+                              (invoke patch "--force" "--no-backup-if-mismatch"
+                                      "-p1" "--input" file))))
+                         (or native-inputs inputs)))
+             #t))
+         (add-after 'apply-guix-specific-patches 'remove-bundled-libraries
+           (lambda _
+             ;; Remove bundled libraries that we don't use, since they may
+             ;; contain unpatched security flaws, they waste disk space and
+             ;; memory, and may cause confusion.
+             (for-each (lambda (file)
+                         (format #t "deleting '~a'...~%" file)
+                         (delete-file-recursively file))
+                       '(;; FIXME: Removing the bundled icu breaks configure.
+                         ;;   * The bundled icu headers are used in some places.
+                         ;;   * The version number is taken from the bundled copy.
+                         ;;"intl/icu"
+                         ;;
+                         ;; FIXME: A script from the bundled nspr is used.
+                         ;;"nsprpub"
+                         ;;
+                         ;; FIXME: With the update to IceCat 60, using system NSS
+                         ;;        broke certificate validation.  See
+                         ;;        <https://bugs.gnu.org/32833>.  For now, we use
+                         ;;        the bundled NSPR and NSS.  TODO: Investigate,
+                         ;;        and try to unbundle these libraries again.
+                         ;; UNBUNDLE-ME! "security/nss"
+                         ;;
+                         ;; TODO: Use more system media libraries.  See:
+                         ;; <https://bugzilla.mozilla.org/show_bug.cgi?id=517422>
+                         ;;   * libtheora: esr60 wants v1.2, not yet released.
+                         ;;   * soundtouch: avoiding the bundled library would
+                         ;;     result in some loss of functionality.  There's
+                         ;;     also an issue with exception handling
+                         ;;     configuration.  It seems that this is needed in
+                         ;;     some moz.build:
+                         ;;       DEFINES['ST_NO_EXCEPTION_HANDLING'] = 1
+                         ;;   * libopus
+                         ;;   * speex
+                         ;;
+                         "modules/freetype2"
+                         "modules/zlib"
+                         ;; "media/libjpeg"  ; needed for now, because media/libjpeg/moz.build is referenced from config/external/moz.build
+                         ;; UNBUNDLE-ME! "ipc/chromium/src/third_party/libevent"
+                         ;; UNBUNDLE-ME! "media/libvpx"
+                         ;; UNBUNDLE-ME! "media/libogg"
+                         ;; UNBUNDLE-ME! "media/libvorbis"
+                         ;; UNBUNDLE-ME! "media/libtheora" ; wants theora-1.2, not yet released
+                         ;; UNBUNDLE-ME! "media/libtremor"
+                         ;; UNBUNDLE-ME! "gfx/harfbuzz"
+                         ;; UNBUNDLE-ME! "gfx/graphite2"
+                         "js/src/ctypes/libffi"
+                         ;; UNBUNDLE-ME! "db/sqlite3"
+                         ))
+             #t))
+         (add-after 'remove-bundled-libraries 'link-libxul-with-libraries
+           (lambda _
+             ;; libxul.so dynamically opens libraries, so here we explicitly
+             ;; link them into libxul.so instead.
+             ;;
+             ;; TODO: It might be preferable to patch in absolute file names in
+             ;; calls to dlopen or PR_LoadLibrary, but that didn't seem to
+             ;; work.  More investigation is needed.
+             (substitute* "toolkit/library/moz.build"
+               (("^# This library needs to be last" all)
+                (string-append "OS_LIBS += [
+    'GL', 'gnome-2', 'canberra', 'Xss', 'cups', 'gssapi_krb5',
+    'avcodec', 'avutil', 'pulse' ]\n\n"
+                               all)))
+             #t))
+         (add-after 'link-libxul-with-libraries 'fix-ffmpeg-runtime-linker
+           (lambda* (#:key inputs #:allow-other-keys)
+             ;; Arrange to load libavcodec.so by its absolute file name.
+             (substitute* "dom/media/platforms/ffmpeg/FFmpegRuntimeLinker.cpp"
+               (("libavcodec\\.so")
+                (string-append (assoc-ref inputs "ffmpeg") "/lib/libavcodec.so")))
+             #t))
+         (replace 'bootstrap
+           (lambda _
+             (invoke "sh" "-c" "autoconf old-configure.in > old-configure")
+             ;; 'configure' must be newer than 'old-configure.in', or else the
+             ;; build system will raise an alarm and abort.
+             (invoke "touch" "configure")))
+         (add-after 'patch-source-shebangs 'patch-cargo-checksums
+           (lambda _
+             (use-modules (guix build cargo-utils))
+             (let ((null-hash "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"))
+               (substitute* '("Cargo.lock" "gfx/wr/Cargo.lock")
+                 (("(\"checksum .* = )\".*\"" all name)
+                  (string-append name "\"" null-hash "\"")))
+               (generate-all-checksums "third_party/rust"))
+             #t))
+         (add-before 'configure 'augment-CPLUS_INCLUDE_PATH
+           (lambda* (#:key build inputs #:allow-other-keys)
+             ;; Here, we add additional entries to CPLUS_INCLUDE_PATH, to work
+             ;; around a problem that otherwise occurs when attempting to
+             ;; build Stylo, which requires Rust and Clang.  Without these
+             ;; additional entries, errors occur during the build indicating
+             ;; that the <cstddef> and "c++config.h" headers cannot be found.
+             ;; Note that the 'build' keyword argument contains the GNU
+             ;; triplet, e.g. "x86_64-unknown-linux-gnu".
+             (let ((gcc (assoc-ref inputs "gcc")))
+               (setenv "CPLUS_INCLUDE_PATH"
+                       (string-append gcc "/include/c++" ":"
+                                      gcc "/include/c++/" build)))
+             #t))
+         (replace 'configure
+           ;; configure does not work followed by both "SHELL=..." and
+           ;; "CONFIG_SHELL=..."; set environment variables instead
+           (lambda* (#:key outputs configure-flags #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (bash (which "bash"))
+                    (abs-srcdir (getcwd))
+                    (srcdir (string-append "../" (basename abs-srcdir)))
+                    (flags `(,(string-append "--prefix=" out)
+                             ,(string-append "--with-l10n-base="
+                                             abs-srcdir "/l10n")
+                             ,@configure-flags)))
+               (setenv "SHELL" bash)
+               (setenv "CONFIG_SHELL" bash)
+               (setenv "AUTOCONF" (which "autoconf")) ; must be autoconf-2.13
+               (setenv "CC" "gcc")  ; apparently needed when Stylo is enabled
+               (setenv "MOZ_BUILD_DATE" ,%icecat-build-id) ; avoid timestamp
+               (mkdir "../build")
+               (chdir "../build")
+               (format #t "build directory: ~s~%" (getcwd))
+               (format #t "configure flags: ~s~%" flags)
+               (apply invoke bash
+                      (string-append srcdir "/configure")
+                      flags))))
+         (replace 'build
+           ;; The build system often spuriously fails.  See
+           ;; <https://bugs.gentoo.org/show_bug.cgi?id=680934>.  To
+           ;; work around this, we try the standard 'build' phase up
+           ;; to 5 times.
+           (lambda args
+             (let ((build (assoc-ref %standard-phases 'build)))
+               (let retry ((remaining-attempts 5))
+                 (if (= remaining-attempts 1)
+                     (apply build args)
+                     (guard (c ((invoke-error? c)
+                                (format #t "~%Retrying build! (~a attempts remaining)~%~%"
+                                        (- remaining-attempts 1))
+                                (force-output)
+                                (retry (- remaining-attempts 1))))
+                       (apply build args)))))))
+         (add-before 'configure 'install-desktop-entry
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; Install the '.desktop' file.
+             (let* ((desktop-file "taskcluster/docker/icecat-snap/icecat.desktop")
+                    (out          (assoc-ref outputs "out"))
+                    (applications (string-append out "/share/applications")))
+               (substitute* desktop-file
+                 (("^Exec=icecat")     (string-append "Exec=" out "/bin/icecat"))
+                 (("IceCat")           "GNU IceCat")
+                 (("Icon=.*")          "Icon=icecat\n")
+                 (("NewWindow")        "new-window")
+                 (("NewPrivateWindow") "new-private-window"))
+               (install-file desktop-file applications)
+               #t)))
+         (add-after 'install-desktop-entry 'install-icons
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (with-directory-excursion "browser/branding/official"
+                 (for-each
+                  (lambda (file)
+                    (let* ((size (string-filter char-numeric? file))
+                           (icons (string-append out "/share/icons/hicolor/"
+                                                 size "x" size "/apps")))
+                      (mkdir-p icons)
+                      (copy-file file (string-append icons "/icecat.png"))))
+                  '("default16.png" "default22.png" "default24.png"
+                    "default32.png" "default48.png" "content/icon64.png"
+                    "mozicon128.png" "default256.png"))
+                 #t))))
+         ;; This fixes the file chooser crash that happens with GTK 3.
+         (add-after 'install 'wrap-program
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (lib (string-append out "/lib"))
+                    (gtk (assoc-ref inputs "gtk+"))
+                    (gtk-share (string-append gtk "/share"))
+                    (pulseaudio (assoc-ref inputs "pulseaudio"))
+                    (pulseaudio-lib (string-append pulseaudio "/lib")))
+               (wrap-program (car (find-files lib "^icecat$"))
+                 `("XDG_DATA_DIRS" prefix (,gtk-share))
+                 `("LD_LIBRARY_PATH" prefix (,pulseaudio-lib)))
+               #t))))))
+    (home-page "https://www.gnu.org/software/gnuzilla/")
+    (synopsis "Entirely free browser derived from Mozilla Firefox")
+    (description
+     "IceCat is the GNU version of the Firefox browser.  It is entirely free
+software, which does not recommend non-free plugins and addons.  It also
+features built-in privacy-protecting features.
+
+WARNING: IceCat 68 has not yet been released by the upstream IceCat project.
+This is a preview release, and does not currently meet the privacy-respecting
+standards of the IceCat project.")
+    (license license:mpl2.0)     ;and others, see toolkit/content/license.html
+    (properties
+     `((ftp-directory . "/gnu/gnuzilla")
+       (cpe-name . "firefox_esr")
+       (cpe-version . ,(first (string-split version #\-)))))))
+
+(define-public conkeror
+  ;; The Conkeror web browser relied on XULRunner, which IceCat > 50 no longer
+  ;; provides.  See <http://conkeror.org> for the original web page.
+  (deprecated-package "conkeror" icecat))