guix/gnu/packages/gnuzilla.scm

;;; 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 Nils Gillmann <ng0@n0.is>
;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; 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 utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cargo)
  #:use-module (gnu packages audio)
  #: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 rust)
  #: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))

(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://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"))
               (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")
         #: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 nspr
  (package
    (name "nspr")
    (version "4.20")
    (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
               "0vjms4j75zvv5b2siyafg7hh924ysx2cwjad8spzp7x87n8n929c"))))
    (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 (@dfn{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 "3.39")
    (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
                "0jw6qlfl2g47hhx056nvnj6h92bk3sn46hy3ig61a911dzblvrkb"))
              ;; 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")
             (invoke "./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-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-public icecat
  (package
    (name "icecat")
    (version "60.2.0-gnu1")
    (source
     (origin
      (method url-fetch)
      ;; Temporary URL pending official release:
      (uri "https://alpha.gnu.org/gnu/gnuzilla/60.2.0/icecat-60.2.0-gnu1.tar.bz2")
      #;
      (uri (string-append "mirror://gnu/gnuzilla/"
                          (first (string-split version #\-))
                          "/" name "-" version ".tar.bz2"))
      (sha256
       (base32
        "0lqx7g79x15941rhjr3qsfwsny6vzc7d7abdmvjy6jjbqkqlc1zl"))
      (patches
       (list
        (search-patch  "icecat-avoid-bundled-libraries.patch")
        (search-patch  "icecat-use-system-graphite2+harfbuzz.patch")
        (search-patch  "icecat-use-system-media-libs.patch")
        (mozilla-patch "icecat-CVE-2018-12385.patch"      "80a4a7ef2813" "1vgcbimpnfjqj934v0cryq1g13xac3wfmd4jyhcb5s60x8xyssf5")
        (search-patch  "icecat-CVE-2018-12383.patch")
        (mozilla-patch "icecat-bug-1489744.patch"         "6546ee839d30" "11mhvj77r789b428bfxqq5wdx8yr7lbrdjzr8qjj6fw197pldn51")
        (mozilla-patch "icecat-CVE-2018-12386.patch"      "4808fcb2e6ca" "05sc881l7sh8bag8whd2ggdn198lskqcxq8f41scfpqscw6xs5d5")
        (mozilla-patch "icecat-CVE-2018-12387.patch"      "b8f5c37486e1" "0lvmbh126m695kgdbasy1y5xh9n1j08cwdhn071mgvj6yn8cns5z")
        (mozilla-patch "icecat-bug-1464751.patch"         "d5d00faf0465" "1mj7dbb06brwrk0mvap0z4lfl2hwz1cj6dwjvdrisxm046pdw98i")
        (mozilla-patch "icecat-bug-1472538.patch"         "11462f2b98f2" "1nxgh0plzilylx8r73r7d74pv66qwjqxmd7nqii33p0snl2jjfzs")
        (mozilla-patch "icecat-bug-1478685.patch"         "098585dc86fc" "1b0x4qdh6isvffmibvc8ad8z62m3iky9q6jq0z6gyvn8q252cqal")
        (mozilla-patch "icecat-bug-1486080.patch"         "3f8d57d936ea" "0pz2c18wcgj44v0j8my9xbm90m4bsjcvzmavj569fi8bh6s6zz8p")
        (mozilla-patch "icecat-bug-1423278.patch"         "878ceaee5634" "0i47s5nvrx9vqbnj6s9y9f4ffww20p8nviqa6frg676y1188xlyl")
        (mozilla-patch "icecat-bug-1442010.patch"         "87be1b98ec9a" "15f4l18c7hz9aqn89gg3dwmdidfwgn10dywgpzydm8mps45amx7j")
        (mozilla-patch "icecat-bug-1484559.patch"         "99e58b5307ce" "02fdgbliwzi2r2376wg6k1rky1isfka0smac4ii2cll01jhpfrn6")
        (mozilla-patch "icecat-bug-1487098.patch"         "f25ce451a492" "18nzg39iyxza1686180qk9cc88l5j2hf1h35d62lrqmdgd9vcj33")
        (mozilla-patch "icecat-bug-1484905.patch"         "35c26bc231df" "0qh8d4z6y03h5xh7djci26a01l6zq667lg2k11f6zzg7z2j0h67x")
        (mozilla-patch "icecat-bug-1488061.patch"         "050d0cfa8e3d" "05ql798ynbyz5pvyri4b95j4ixmgnny3zl7sd2ckfrrbm9mxh627")
        (mozilla-patch "icecat-bug-1434963-pt1.patch"     "1e6dad87efed" "1v00a6cmgswjk54041jyv1ib129fxshpzwk6mn6lr0v5hylk3bx9")
        (mozilla-patch "icecat-bug-1434963-pt2.patch"     "6558c46df9ea" "0vdy9dm9w5k1flhcfxwvvff0aa415b5mgmmq5r37i83686768xfb")
        (mozilla-patch "icecat-bug-1434963-pt3.patch"     "686fcfa8abd6" "0ihqr11aq4b0y7mx7bwn8yzn25mv3k2gdphm951mj1g85qg35ann")
        (mozilla-patch "icecat-bug-1491132.patch"         "14120e0c74d6" "188c5fbhqqhmlk88p70l6d97skh7xy4jhqdby1ri3h9ix967515j")))
      (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"
                      ;;
                      ;; 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"
                      "modules/libbz2"
                      "ipc/chromium/src/third_party/libevent"
                      "media/libjpeg"
                      "media/libvpx"
                      "media/libogg"
                      "media/libvorbis"
                      ;; "media/libtheora" ; wants theora-1.2, not yet released
                      "media/libtremor"
                      "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)
       ("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)
       ("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)
       ("icu4c" ,icu4c)
       ("pixman" ,pixman)
       ("pulseaudio" ,pulseaudio)
       ("mesa" ,mesa)
       ("mit-krb5" ,mit-krb5)
       ;; See <https://bugs.gnu.org/32833>
       ;;   and related comments in the 'snippet' above.
       ;; UNBUNDLE-ME! ("nspr" ,nspr)
       ;; UNBUNDLE-ME! ("nss" ,nss)
       ("sqlite" ,sqlite)
       ("startup-notification" ,startup-notification)
       ("unzip" ,unzip)
       ("zip" ,zip)
       ("zlib" ,zlib)))
    (native-inputs
     `(("rust" ,rust)
       ("cargo" ,rust "cargo")
       ("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

       #:imported-modules ,%cargo-build-system-modules ;for `generate-checksums'

       #:configure-flags '("--enable-default-toolkit=cairo-gtk3"

                           "--with-distribution-id=org.gnu"

                           "--enable-startup-notification"
                           "--enable-pulseaudio"

                           "--disable-tests"
                           "--disable-updater"
                           "--disable-crashreporter"
                           "--disable-maintenance-service"
                           "--disable-eme"
                           "--disable-gconf"

                           ;; Stylo requires LLVM/clang.  For now, disable it.
                           "--disable-stylo"

                           ;; 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-ogg"
                           "--with-system-vorbis"
                           ;; "--with-system-theora" ; wants theora-1.2, not yet released
                           "--with-system-libvpx"
                           "--with-system-icu"
                           
                           ;; See <https://bugs.gnu.org/32833>
                           ;;   and related comments in the 'snippet' above.
                           ;; UNBUNDLE-ME! "--with-system-nspr"
                           ;; UNBUNDLE-ME! "--with-system-nss"
                           
                           "--with-system-harfbuzz"
                           "--with-system-graphite2"
                           "--enable-system-pixman"
                           "--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 '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))
         (replace 'bootstrap
           (lambda _
             (invoke "sh" "-c" "autoconf old-configure.in > old-configure")))
         (add-after 'patch-source-shebangs 'patch-cargo-checksums
           (lambda _
             (use-modules (guix build cargo-build-system))
             (let ((null-file "/dev/null")
                   (null-hash "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"))
               (substitute* '("Cargo.lock" "servo/Cargo.lock")
                 (("(\"checksum .* = )\".*\"" all name)
                  (string-append name "\"" null-hash "\"")))
               (for-each
                (lambda (filename)
                  (delete-file filename)
                  (let ((dir (dirname filename)))
                    (display (string-append
                              "patch-cargo-checksums: generate-checksums for "
                              dir "\n"))
                    (generate-checksums dir null-file)))
                (find-files "third_party/rust" ".cargo-checksum.json")))
             #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)
              (apply invoke 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"))
                 #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")))
               (wrap-program (car (find-files lib "^icecat$"))
                 `("XDG_DATA_DIRS" ":" prefix (,gtk-share)))
               #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.")
    (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 #\-)))))))