;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2015 Siniša Biđin <sinisa@bidin.eu>
;;; Copyright © 2015 Paul van der Walt <paul@denknerd.org>
;;;
;;; 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 haskell)
  #:use-module (ice-9 regex)
  #:use-module ((guix licenses) #:select (bsd-3 lgpl2.1 expat))
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system haskell)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages elf)
  #:use-module (gnu packages bootstrap)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages libffi)
  #:use-module (gnu packages libedit)
  #:use-module (gnu packages multiprecision)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages python)
  #:use-module (gnu packages pcre)
  #:use-module (gnu packages xorg))

(define ghc-bootstrap-x86_64-7.8.4
  (origin
    (method url-fetch)
    (uri
     "https://www.haskell.org/ghc/dist/7.8.4/ghc-7.8.4-x86_64-unknown-linux-deb7.tar.xz")
    (sha256
     (base32
      "13azsl53xgj20mi1hj9x0xb32vvcvs6cpmvwx6znxhas7blh0bpn"))))

(define ghc-bootstrap-i686-7.8.4
  (origin
    (method url-fetch)
    (uri
     "https://www.haskell.org/ghc/dist/7.8.4/ghc-7.8.4-i386-unknown-linux-deb7.tar.xz")
    (sha256
     (base32
      "0wj5s435j0zgww70bj1d3f6wvnnpzlxwvwcyh2qv4qjq5z8j64kg"))))

;; 43 tests out of 3965 fail.
;;
;; Most of them do not appear to be serious:
;;
;; - some tests generate files referring to "/bin/sh" and "/bin/ls". I've not
;;   figured out how these references are generated.
;;
;; - Some tests allocate more memory than expected (ca. 3% above upper limit)
;;
;; - Some tests try to load unavailable libriries: Control.Concurrent.STM,
;;   Data.Vector, Control.Monad.State.
;;
;; - Test posix010 tries to check the existence of a user on the system:
;;   getUserEntryForName: does not exist (no such user)
(define-public ghc
  (package
    (name "ghc")
    (version "7.10.2")
    (source
     (origin
      (method url-fetch)
      (uri (string-append "https://www.haskell.org/ghc/dist/"
                          version "/" name "-" version "-src.tar.xz"))
      (sha256
       (base32
        "1x8m4rp2v7ydnrz6z9g8x7z3x3d3pxhv2pixy7i7hkbqbdsp7kal"))))
    (build-system gnu-build-system)
    (supported-systems '("i686-linux" "x86_64-linux"))
    (outputs '("out" "doc"))
    (inputs
     `(("gmp" ,gmp)
       ("ncurses" ,ncurses)
       ("libffi" ,libffi)
       ("libedit" ,libedit)
       ("ghc-testsuite"
        ,(origin
           (method url-fetch)
           (uri (string-append
                 "https://www.haskell.org/ghc/dist/"
                 version "/" name "-" version "-testsuite.tar.xz"))
           (sha256
            (base32
             "0qp9da9ar87zbyn6wjgacd2ic1vgzbi3cklxnhsmjqyafv9qaj4b"))))))
    (native-inputs
     `(("perl" ,perl)
       ("python" ,python-2)                ; for tests (fails with python-3)
       ("ghostscript" ,ghostscript)        ; for tests
       ("patchelf" ,patchelf)
       ;; GHC is built with GHC. Therefore we need bootstrap binaries.
       ("ghc-binary"
        ,(if (string-match "x86_64" (or (%current-target-system) (%current-system)))
             ghc-bootstrap-x86_64-7.8.4
             ghc-bootstrap-i686-7.8.4))))
    (arguments
     `(#:test-target "test"
       ;; We get a smaller number of test failures by disabling parallel test
       ;; execution.
       #:parallel-tests? #f

       ;; The DSOs use $ORIGIN to refer to each other, but (guix build
       ;; gremlin) doesn't support it yet, so skip this phase.
       #:validate-runpath? #f

       ;; Don't pass --build=<triplet>, because the configure script
       ;; auto-detects slightly different triplets for --host and --target and
       ;; then complains that they don't match.
       #:build #f

       #:modules ((guix build gnu-build-system)
                  (guix build utils)
                  (guix build rpath)
                  (srfi srfi-26)
                  (srfi srfi-1))
       #:imported-modules (,@%gnu-build-system-modules
                           (guix build rpath))
       #:configure-flags
       (list
        (string-append "--with-gmp-libraries="
                       (assoc-ref %build-inputs "gmp") "/lib")
        (string-append "--with-gmp-includes="
                       (assoc-ref %build-inputs "gmp") "/include")
        "--with-system-libffi"
        (string-append "--with-ffi-libraries="
                       (assoc-ref %build-inputs "libffi") "/lib")
        (string-append "--with-ffi-includes="
                       (assoc-ref %build-inputs "libffi") "/include"))
       ;; FIXME: The user-guide needs dblatex, docbook-xsl and docbook-utils.
       ;; Currently we do not have the last one.
       ;; #:make-flags
       ;; (list "BUILD_DOCBOOK_HTML = YES")
       #:phases
       (let* ((ghc-bootstrap-path
               (string-append (getcwd) "/" ,name "-" ,version "/ghc-bin"))
              (ghc-bootstrap-prefix
               (string-append ghc-bootstrap-path "/usr" )))
         (alist-cons-after
          'unpack-bin 'unpack-testsuite-and-fix-bins
          (lambda* (#:key inputs outputs #:allow-other-keys)
            (with-directory-excursion ".."
              (copy-file (assoc-ref inputs "ghc-testsuite")
                         "ghc-testsuite.tar.xz")
              (system* "tar" "xvf" "ghc-testsuite.tar.xz"))
            (substitute*
                (list "testsuite/timeout/Makefile"
                      "testsuite/timeout/timeout.py"
                      "testsuite/timeout/timeout.hs"
                      "testsuite/tests/rename/prog006/Setup.lhs"
                      "testsuite/tests/programs/life_space_leak/life.test"
                      "libraries/process/System/Process/Internals.hs"
                      "libraries/unix/cbits/execvpe.c")
              (("/bin/sh") (which "sh"))
              (("/bin/rm") "rm"))
            #t)
          (alist-cons-after
           'unpack 'unpack-bin
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (mkdir-p ghc-bootstrap-prefix)
             (with-directory-excursion ghc-bootstrap-path
               (copy-file (assoc-ref inputs "ghc-binary")
                          "ghc-bin.tar.xz")
               (zero? (system* "tar" "xvf" "ghc-bin.tar.xz"))))
           (alist-cons-before
            'install-bin 'configure-bin
            (lambda* (#:key inputs outputs #:allow-other-keys)
              (let* ((binaries
                      (list
                       "./utils/ghc-pwd/dist-install/build/tmp/ghc-pwd"
                       "./utils/hpc/dist-install/build/tmp/hpc"
                       "./utils/haddock/dist/build/tmp/haddock"
                       "./utils/hsc2hs/dist-install/build/tmp/hsc2hs"
                       "./utils/runghc/dist-install/build/tmp/runghc"
                       "./utils/ghc-cabal/dist-install/build/tmp/ghc-cabal"
                       "./utils/hp2ps/dist/build/tmp/hp2ps"
                       "./utils/ghc-pkg/dist-install/build/tmp/ghc-pkg"
                       "./utils/unlit/dist/build/tmp/unlit"
                       "./ghc/stage2/build/tmp/ghc-stage2"))
                     (gmp (assoc-ref inputs "gmp"))
                     (gmp-lib (string-append gmp "/lib"))
                     (gmp-include (string-append gmp "/include"))
                     (ncurses-lib
                      (string-append (assoc-ref inputs "ncurses") "/lib"))
                     (ld-so (string-append (assoc-ref inputs "libc")
                                           ,(glibc-dynamic-linker)))
                     (libtinfo-dir
                      (string-append ghc-bootstrap-prefix
                                     "/lib/ghc-7.8.4/terminfo-0.4.0.0")))
                (with-directory-excursion
                    (string-append ghc-bootstrap-path "/ghc-7.8.4")
                  (setenv "CONFIG_SHELL" (which "bash"))
                  (setenv "LD_LIBRARY_PATH" gmp-lib)
                  ;; The binaries have "/lib64/ld-linux-x86-64.so.2" hardcoded.
                  (for-each
                   (cut system* "patchelf" "--set-interpreter" ld-so <>)
                   binaries)
                  ;; The binaries include a reference to libtinfo.so.5 which
                  ;; is a subset of libncurses.so.5.  We create a symlink in a
                  ;; directory included in the bootstrap binaries rpath.
                  (mkdir-p libtinfo-dir)
                  (symlink
                   (string-append ncurses-lib "/libncursesw.so."
                                  ,(version-major+minor
                                    (package-version ncurses)))
                   (string-append libtinfo-dir "/libtinfo.so.5"))
                  (setenv "PATH"
                          (string-append (getenv "PATH") ":"
                                         ghc-bootstrap-prefix "/bin"))
                  (system*
                   (string-append (getcwd) "/configure")
                   (string-append "--prefix=" ghc-bootstrap-prefix)
                   (string-append "--with-gmp-libraries=" gmp-lib)
                   (string-append "--with-gmp-includes=" gmp-include)))))
            (alist-cons-before
             'configure 'install-bin
             (lambda* (#:key inputs outputs #:allow-other-keys)
               (with-directory-excursion
                   (string-append ghc-bootstrap-path "/ghc-7.8.4")
                 (zero? (system* "make" "install"))))
             %standard-phases)))))))
    (home-page "https://www.haskell.org/ghc")
    (synopsis "The Glasgow Haskell Compiler")
    (description
     "The Glasgow Haskell Compiler (GHC) is a state-of-the-art compiler and
interactive environment for the functional language Haskell.")
    (license bsd-3)))

(define-public ghc-data-default
  (package
    (name "ghc-data-default")
    (version "0.5.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/data-default/data-default-"
             version
             ".tar.gz"))
       (sha256
        (base32 "0d1hm0l9kim3kszshr4msmgzizrzha48gz2kb7b61p7n3gs70m7c"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-data-default-class"
        ,ghc-data-default-class)
       ("ghc-data-default-instances-base"
        ,ghc-data-default-instances-base)
       ("ghc-data-default-instances-containers"
        ,ghc-data-default-instances-containers)
       ("ghc-data-default-instances-dlist"
        ,ghc-data-default-instances-dlist)
       ("ghc-data-default-instances-old-locale"
        ,ghc-data-default-instances-old-locale)))
    (home-page "http://hackage.haskell.org/package/data-default")
    (synopsis "Types with default values")
    (description
     "This package defines a class for types with a default value, and
provides instances for types from the base, containers, dlist and old-locale
packages.")
    (license bsd-3)))

(define-public ghc-data-default-class
  (package
    (name "ghc-data-default-class")
    (version "0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/data-default-class/"
             "data-default-class-" version ".tar.gz"))
       (sha256
        (base32 "0ccgr3jllinchqhw3lsn73ic6axk4196if5274rr1rghls0fxj5d"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/data-default-class")
    (synopsis "Types with default values")
    (description
     "This package defines a class for types with default values.")
    (license bsd-3)))

(define-public ghc-data-default-instances-base
  (package
    (name "ghc-data-default-instances-base")
    (version "0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/"
             "data-default-instances-base/"
             "data-default-instances-base-" version ".tar.gz"))
       (sha256
        (base32 "1832nq6by91f1iw73ycvkbgn8kpra83pvf2q61hy47xffh0zy4pb"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-data-default-class" ,ghc-data-default-class)))
    (home-page "http://hackage.haskell.org/package/data-default-instances-base")
    (synopsis "Default instances for types in base")
    (description
     "This package provides default instances for types from the base
package.")
    (license bsd-3)))

(define-public ghc-data-default-instances-containers
  (package
    (name "ghc-data-default-instances-containers")
    (version "0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/"
             "data-default-instances-containers/"
             "data-default-instances-containers-" version ".tar.gz"))
       (sha256
        (base32 "06h8xka031w752a7cjlzghvr8adqbl95xj9z5zc1b62w02phfpm5"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-data-default-class" ,ghc-data-default-class)))
    (home-page "http://hackage.haskell.org/package/data-default-instances-containers")
    (synopsis "Default instances for types in containers")
    (description "Provides default instances for types from the containers
package.")
    (license bsd-3)))

(define-public ghc-data-default-instances-dlist
  (package
    (name "ghc-data-default-instances-dlist")
    (version "0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/"
             "data-default-instances-dlist/"
             "data-default-instances-dlist-" version ".tar.gz"))
       (sha256
        (base32 "0narkdqiprhgayjiawrr4390h4rq4pl2pb6mvixbv2phrc8kfs3x"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-data-default-class" ,ghc-data-default-class)
       ("ghc-dlist" ,ghc-dlist)))
    (home-page "http://hackage.haskell.org/package/data-default-instances-dlist")
    (synopsis "Default instances for types in dlist")
    (description "Provides default instances for types from the dlist
package.")
    (license bsd-3)))

(define-public ghc-old-locale
  (package
    (name "ghc-old-locale")
    (version "1.0.0.7")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/old-locale/old-locale-"
             version
             ".tar.gz"))
       (sha256
        (base32 "0l3viphiszvz5wqzg7a45zp40grwlab941q5ay29iyw8p3v8pbyv"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `())
    (home-page "http://hackage.haskell.org/package/data-default") ;; TODO
    (synopsis "Types with default values")
    (description
     "This package defines a class for types with a default value, and
provides instances for types from the base, containers, dlist and old-locale
packages.")
    (license bsd-3)))

(define-public ghc-old-time
  (package
    (name "ghc-old-time")
    (version "1.1.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/old-time/old-time-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1h9b26s3kfh2k0ih4383w90ibji6n0iwamxp6rfp2lbq1y5ibjqw"))))
    (build-system haskell-build-system)
    (arguments
     `(#:phases
       (alist-cons-before
        'configure 'fix-/bin/sh
        (lambda _
          ;; Use `sh', not `/bin/sh'.
          (substitute* (find-files "." "Makefile|configure")
            (("/bin/sh")
             "sh")))
        %standard-phases)))
    (propagated-inputs
     `(("ghc-old-locale" ,ghc-old-locale)))
    (home-page
     "http://hackage.haskell.org/package/old-time")
    (synopsis "Time library")
    (description
     "Package for backwards compatibility with the old time library.  For new
projects, the newer <http://hackage.haskell.org/package/time> time library is
recommended.")
    (license bsd-3)))

(define-public ghc-data-default-instances-old-locale
  (package
    (name "ghc-data-default-instances-old-locale")
    (version "0.0.1")
    (source
      (origin
        (method url-fetch)
        (uri (string-append
              "http://hackage.haskell.org/package/"
              "data-default-instances-old-locale/"
              "data-default-instances-old-locale-" version ".tar.gz"))
        (sha256
          (base32 "00h81i5phib741yj517p8mbnc48myvfj8axzsw44k34m48lv1lv0"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-data-default-class" ,ghc-data-default-class)
       ("ghc-old-locale" ,ghc-old-locale)))
    (home-page
      "http://hackage.haskell.org/package/data-default-instances-old-locale")
    (synopsis "Default instances for types in old-locale")
    (description "Provides Default instances for types from the old-locale
  package.")
    (license bsd-3)))

(define-public ghc-dlist
  (package
    (name "ghc-dlist")
    (version "0.7.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/dlist/dlist-"
             version
             ".tar.gz"))
       (sha256
        (base32 "10rp96rryij7d8gz5kv8ygc6chm1624ck5mbnqs2a3fkdzqj2b9k"))))
    (arguments `(#:tests? #f))
    (build-system haskell-build-system)
    (home-page "https://github.com/spl/dlist")
    (synopsis "Difference lists")
    (description
     "Difference lists are a list-like type supporting O(1) append.  This is
particularly useful for efficient logging and pretty printing (e.g. with the
Writer monad), where list append quickly becomes too expensive.")
    (license bsd-3)))

(define-public ghc-extensible-exceptions
  (package
    (name "ghc-extensible-exceptions")
    (version "0.1.1.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://hackage.haskell.org/package/"
                           "extensible-exceptions/extensible-exceptions-"
                           version ".tar.gz"))
       (sha256
        (base32 "1273nqws9ij1rp1bsq5jc7k2jxpqa0svawdbim05lf302y0firbc"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/extensible-exceptions")
    (synopsis "Extensible exceptions for Haskell")
    (description
     "This package provides extensible exceptions for both new and old
versions of GHC (i.e., < 6.10).")
    (license bsd-3)))

(define-public cabal-install
 (package
  (name "cabal-install")
   (version "1.22.6.0")
   (source
    (origin
     (method url-fetch)
      (uri (string-append
            "http://hackage.haskell.org/package/cabal-install/cabal-install-"
            version
            ".tar.gz"))
      (sha256
       (base32 "1d5h7h2wjwc2s3dvsvzjgmmfrfl2312ym2h6kyjgm9wnaqw9w8wx"))))
   (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
   (build-system haskell-build-system)
   (propagated-inputs
    `(("ghc-http" ,ghc-http)
      ("ghc-mtl" ,ghc-mtl)
      ("ghc-network-uri" ,ghc-network-uri)
      ("ghc-network" ,ghc-network)
      ("ghc-random" ,ghc-random)
      ("ghc-stm" ,ghc-stm)
      ("ghc-zlib" ,ghc-zlib)))
   (home-page "http://www.haskell.org/cabal/")
   (synopsis "Command-line interface for Cabal and Hackage")
   (description
    "The cabal command-line program simplifies the process of managing
Haskell software by automating the fetching, configuration, compilation and
installation of Haskell libraries and programs.")
   (license bsd-3)))

(define-public ghc-mtl
  (package
    (name "ghc-mtl")
    (version "2.2.1")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/mtl/mtl-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1icdbj2rshzn0m1zz5wa7v3xvkf6qw811p4s7jgqwvx1ydwrvrfa"))))
    (build-system haskell-build-system)
    (home-page "http://github.com/ekmett/mtl")
    (synopsis
     "Monad classes, using functional dependencies")
    (description
     "Monad classes using functional dependencies, with instances
for various monad transformers, inspired by the paper
'Functional Programming with Overloading and Higher-Order Polymorphism',
by Mark P Jones, in 'Advanced School of Functional Programming', 1995
http://web.cecs.pdx.edu/~mpj/pubs/springschool.html.")
  (license bsd-3)))

(define-public ghc-paths
  (package
    (name "ghc-paths")
    (version "0.1.0.9")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/ghc-paths/ghc-paths-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0ibrr1dxa35xx20cpp8jzgfak1rdmy344dfwq4vlq013c6w8z9mg"))))
    (build-system haskell-build-system)
    (home-page "https://github.com/simonmar/ghc-paths")
    (synopsis
     "Knowledge of GHC's installation directories")
    (description
     "Knowledge of GHC's installation directories.")
    (license bsd-3)))

(define-public ghc-utf8-string
  (package
    (name "ghc-utf8-string")
    (version "1.0.1.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/utf8-string/utf8-string-"
             version
             ".tar.gz"))
       (sha256
        (base32 "0h7imvxkahiy8pzr8cpsimifdfvv18lizrb33k6mnq70rcx9w2zv"))))
    (build-system haskell-build-system)
    (home-page "http://github.com/glguy/utf8-string/")
    (synopsis "Support for reading and writing UTF8 Strings")
    (description
     "A UTF8 layer for Strings. The utf8-string package provides operations
for encoding UTF8 strings to Word8 lists and back, and for reading and writing
UTF8 without truncation.")
    (license bsd-3)))

(define-public ghc-setenv
  (package
    (name "ghc-setenv")
    (version "0.1.1.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/setenv/setenv-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0cnbgrvb9byyahb37zlqrj05rj25v190crgcw8wmlgf0mwwxyn73"))))
    (build-system haskell-build-system)
    (home-page
     "http://hackage.haskell.org/package/setenv")
    (synopsis
     "A cross-platform library for setting environment variables")
    (description
     "A cross-platform library for setting environment variables.")
    (license expat)))

(define-public ghc-x11
  (package
    (name "ghc-x11")
    (version "1.6.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://hackage.haskell.org/package/X11/"
                           "X11-" version ".tar.gz"))
       (sha256
        (base32 "1kzjcynm3rr83ihqx2y2d852jc49da4p18gv6jzm7g87z22x85jj"))))
    (arguments
     `(#:phases (modify-phases %standard-phases
                  (add-before 'configure 'set-sh
                              (lambda _
                                (setenv "CONFIG_SHELL" "sh")
                                #t)))))
    (build-system haskell-build-system)
    (inputs
     `(("libx11" ,libx11)
       ("libxrandr" ,libxrandr)
       ("libxinerama" ,libxinerama)
       ("libxscrnsaver" ,libxscrnsaver)))
    (propagated-inputs
     `(("ghc-data-default" ,ghc-data-default)))
    (home-page "https://github.com/haskell-pkg-janitors/X11")
    (synopsis "Bindings to the X11 graphics library")
    (description
     "This package provides Haskell bindings to the X11 graphics library.  The
bindings are a direct translation of the C bindings.")
    (license bsd-3)))

(define-public ghc-x11-xft
  (package
    (name "ghc-x11-xft")
    (version "0.3.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://hackage.haskell.org/package/X11-xft/"
                           "X11-xft-" version ".tar.gz"))
       (sha256
        (base32 "1lgqb0s2qfwwgbvwxhjbi23rbwamzdi0l0slfr20c3jpcbp3zfjf"))))
    (propagated-inputs
     `(("ghc-x11" ,ghc-x11)
       ("ghc-utf8-string" ,ghc-utf8-string)))
    (inputs
     `(("libx11" ,libx11)
       ("libxft" ,libxft)
       ("xproto" ,xproto)))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/X11-xft")
    (synopsis "Bindings to Xft")
    (description
     "Bindings to the Xft, X Free Type interface library, and some Xrender
parts.")
    (license lgpl2.1)))

(define-public ghc-stringbuilder
  (package
    (name "ghc-stringbuilder")
    (version "0.5.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/stringbuilder/stringbuilder-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1ap95xphqnrhv64c2a137wqslkdmb2jjd9ldb17gs1pw48k8hrl9"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; circular dependencies with tests enabled
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page "http://hackage.haskell.org/package/stringbuilder")
    (synopsis "A writer monad for multi-line string literals")
    (description "A writer monad for multi-line string literals")
    (license expat)))

(define-public ghc-zlib
  (package
    (name "ghc-zlib")
    (version "0.5.4.2")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/zlib/zlib-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "15hhsk7z3gvm7sz2ic2z1ca5c6rpsln2rr391mdbm1bxlzc1gmkm"))))
    (build-system haskell-build-system)
    (inputs `(("zlib" ,zlib)))
    (home-page "http://hackage.haskell.org/package/zlib")
    (synopsis
     "Compression and decompression in the gzip and zlib formats")
    (description
     "This package provides a pure interface for compressing and decompressing
streams of data represented as lazy 'ByteString's.  It uses the zlib C library
so it has high performance.  It supports the 'zlib', 'gzip' and 'raw'
compression formats.  It provides a convenient high level API suitable for
most tasks and for the few cases where more control is needed it provides
access to the full zlib feature set.")
    (license bsd-3)))

(define-public ghc-stm
  (package
    (name "ghc-stm")
    (version "2.4.4")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/stm/stm-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0gc8zvdijp3rwmidkpxv76b4i0dc8dw6nbd92rxl4vxl0655iysx"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/stm")
    (synopsis "Software Transactional Memory")
    (description
     "A modular composable concurrency abstraction.")
    (license bsd-3)))

(define-public ghc-parallel
  (package
    (name "ghc-parallel")
    (version "3.2.0.6")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/parallel/parallel-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0hp6vf4zxsw6vz6lj505xihmnfhgjp39c9q7nyzlgcmps3xx6a5r"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/parallel")
    (synopsis "Parallel programming library")
    (description
     "This package provides a library for parallel programming.")
    (license bsd-3)))

(define-public ghc-text
  (package
    (name "ghc-text")
    (version "1.2.1.3")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/text/text-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0gzqx5cpkdhshbz9xss51mpyq23pnf8dwjz4h3irbv2ryaa4qdlq"))))
    (build-system haskell-build-system)
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    (home-page "https://github.com/bos/text")
    (synopsis "Efficient packed Unicode text type library")
    (description
     "An efficient packed, immutable Unicode text type (both strict and
lazy), with a powerful loop fusion optimization framework.

The 'Text' type represents Unicode character strings, in a time and
space-efficient manner.  This package provides text processing
capabilities that are optimized for performance critical use, both
in terms of large data quantities and high speed.")
    (license bsd-3)))

(define-public ghc-hashable
  (package
    (name "ghc-hashable")
    (version "1.2.3.3")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hashable/hashable-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0kp4aj0x1iicz9qirpqxxqd8x5g1njbapxk1d90n406w3xykz4pw"))))
    (build-system haskell-build-system)
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    ;; these inputs are necessary to use this library
    (propagated-inputs
     `(("ghc-text" ,ghc-text)))
    (home-page "http://github.com/tibbe/hashable")
    (synopsis
     "Class for types that can be converted to a hash value")
    (description
     "This package defines a class, 'Hashable', for types that can be
converted to a hash value.  This class exists for the benefit of hashing-based
data structures.  The package provides instances for basic types and a way to
combine hash values.")
    (license bsd-3)))

(define-public ghc-hunit
  (package
    (name "ghc-hunit")
    (version "1.2.5.2")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/HUnit/HUnit-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0hcs6qh8bqhip1kkjjnw7ccgcsmawdz5yvffjj5y8zd2vcsavx8a"))))
    (build-system haskell-build-system)
    (home-page "http://hunit.sourceforge.net/")
    (synopsis "Unit testing framework for Haskell")
    (description
     "HUnit is a unit testing framework for Haskell, inspired by the
JUnit tool for Java.")
    (license bsd-3)))

(define-public ghc-random
  (package
    (name "ghc-random")
    (version "1.1")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/random/random-"
             version
             ".tar.gz"))
       (sha256
        (base32 "0nis3lbkp8vfx8pkr6v7b7kr5m334bzb0fk9vxqklnp2aw8a865p"))))
    (build-system haskell-build-system)
    (home-page "http://hackage.haskell.org/package/random")
    (synopsis "Random number library")
    (description "This package provides a basic random number generation
library, including the ability to split random number generators.")
    (license bsd-3)))

(define-public ghc-primitive
  (package
    (name "ghc-primitive")
    (version "0.6.1.0")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/primitive/primitive-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1j1q7l21rdm8kfs93vibr3xwkkhqis181w2k6klfhx5g5skiywwk"))))
    (build-system haskell-build-system)
    (home-page
     "https://github.com/haskell/primitive")
    (synopsis "Primitive memory-related operations")
    (description
     "This package provides various primitive memory-related operations.")
    (license bsd-3)))

(define-public ghc-tf-random
  (package
    (name "ghc-tf-random")
    (version "0.5")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/tf-random/tf-random-"
             version
             ".tar.gz"))
       (sha256
        (base32 "0445r2nns6009fmq0xbfpyv7jpzwv0snccjdg7hwj4xk4z0cwc1f"))))
    (build-system haskell-build-system)
    ;; these inputs are necessary to use this package
    (propagated-inputs
     `(("ghc-primitive" ,ghc-primitive)
       ("ghc-random" ,ghc-random)))
    (home-page "http://hackage.haskell.org/package/tf-random")
    (synopsis "High-quality splittable pseudorandom number generator")
    (description "This package contains an implementation of a high-quality
splittable pseudorandom number generator.  The generator is based on a
cryptographic hash function built on top of the ThreeFish block cipher.  See
the paper \"Splittable Pseudorandom Number Generators Using Cryptographic
Hashing\" by Claessen, Pałka for details and the rationale of the design.")
    (license bsd-3)))

(define-public ghc-transformers-base
  (package
    (name "ghc-transformers-base")
    (version "0.4.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/transformers-base/transformers-base-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "11r3slgpgpra6zi2kjg3g60gvv17b1fh6qxipcpk8n86qx7lk8va"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-stm" ,ghc-stm)))
    (inputs
     `(("ghc-transformers-compat" ,ghc-transformers-compat)))
    (home-page
     "http://hackage.haskell.org/package/transformers-compat")
    (synopsis
     "Backported transformer library")
    (description
     "Backported versions of types that were added to transformers in
transformers 0.3 and 0.4 for users who need strict transformers 0.2 or 0.3
compatibility to run on old versions of the platform.")
    (license bsd-3)))

(define-public ghc-transformers-compat
  (package
    (name "ghc-transformers-compat")
    (version "0.4.0.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/transformers-compat"
             "/transformers-compat-" version ".tar.gz"))
       (sha256
        (base32
         "0lmg8ry6bgigb0v2lg0n74lxi8z5m85qq0qi4h1k9llyjb4in8ym"))))
    (build-system haskell-build-system)
    (home-page "http://github.com/ekmett/transformers-compat/")
    (synopsis "A small compatibility shim exposing the new types from
transformers 0.3 and 0.4 to older Haskell platforms.")
    (description "This package includes backported versions of types that were
added to transformers in transformers 0.3 and 0.4 for users who need strict
transformers 0.2 or 0.3 compatibility to run on old versions of the platform,
but also need those types.")
    (license bsd-3)))

(define-public ghc-unix-time
  (package
    (name "ghc-unix-time")
    (version "0.3.6")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/unix-time/unix-time-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0dyvyxwaffb94bgri1wc4b9wqaasy32pyjn0lww3dqblxv8fn5ax"))))
    (build-system haskell-build-system)
    (arguments
     `(#:tests? #f
       #:phases
       (alist-cons-before
        'configure 'fix-/bin/sh
        (lambda _
          ;; Use `sh', not `/bin/sh'.
          (substitute* (find-files "." "Makefile|configure")
            (("/bin/sh")
             "sh")))
        %standard-phases)))
    (propagated-inputs
     `(("ghc-old-time" ,ghc-old-time)
       ("ghc-old-locale" ,ghc-old-locale)))
    (inputs
     `(("ghc-doctest" ,ghc-doctest)
       ("ghc-hspec" ,ghc-hspec)
       ("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page
     "http://hackage.haskell.org/package/unix-time")
    (synopsis
     "Unix time parser/formatter and utilities")
    (description
     "Fast parser/formatter/utilities for Unix time.")
    (license bsd-3)))

(define-public ghc-unix-compat
  (package
    (name "ghc-unix-compat")
    (version "0.4.1.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/unix-compat/unix-compat-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0jxk7j5pz2kgfpqr4hznndjg31pqj5xg2qfc5308fcn9xyg1myps"))))
    (build-system haskell-build-system)
    (home-page
     "http://github.com/jystic/unix-compat")
    (synopsis "Portable POSIX-compatibility layer")
    (description
     "This package provides portable implementations of parts of the unix
package.  This package re-exports the unix package when available.  When it
isn't available, portable implementations are used.")
    (license bsd-3)))

(define-public ghc-http-types
  (package
    (name "ghc-http-types")
    (version "0.9")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/http-types/http-types-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0ny15jgm5skhs2yx6snr13lrnw19hwjgfygrpsmhib8wqa8cz8cc"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ghc-case-insensitive" ,ghc-case-insensitive)
       ("ghc-blaze-builder" ,ghc-blaze-builder)
       ))
    (inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-quickcheck-instances"
        ,ghc-quickcheck-instances)
       ("ghc-hspec" ,ghc-hspec)
       ("ghc-doctest" ,ghc-doctest)))
    (home-page
     "https://github.com/aristidb/http-types")
    (synopsis
     "Generic HTTP types for Haskell.")
    (description
     "Generic HTTP types for Haskell (for both client and server code).")
    (license bsd-3)))

(define-public ghc-iproute
  (package
    (name "ghc-iproute")
    (version "1.7.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/iproute/iproute-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1ply0i110c2sppjbfyysgw48jfjnsbam5zwil8xws0hp20rh1pb5"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ghc-appar" ,ghc-appar)
       ("ghc-byteorder" ,ghc-byteorder)))
    (inputs
     `(("ghc-network" ,ghc-network)
       ("ghc-doctest" ,ghc-doctest)
       ("ghc-hspec" ,ghc-hspec)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-safe" ,ghc-safe)))
    (home-page
     "http://www.mew.org/~kazu/proj/iproute/")
    (synopsis "IP Routing Table")
    (description
     "IP Routing Table is a tree of IP ranges to search one of them on the
longest match base. It is a kind of TRIE with one way branching removed. Both
IPv4 and IPv6 are supported.")
    (license bsd-3)))

(define-public ghc-regex-base
  (package
    (name "ghc-regex-base")
    (version "0.93.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/regex-base/regex-base-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0y1j4h2pg12c853nzmczs263di7xkkmlnsq5dlp5wgbgl49mgp10"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-mtl" ,ghc-mtl)))
    (home-page
     "http://sourceforge.net/projects/lazy-regex")
    (synopsis "Replaces/Enhances Text.Regex")
    (description
     "Interface API for regex-posix, pcre, parsec, tdfa, dfa.")
    (license bsd-3)))

(define-public ghc-appar
  (package
    (name "ghc-appar")
    (version "0.1.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/appar/appar-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "09jb9ij78fdkz2qk66rw99q19qnm504dpv0yq0pjsl6xwjmndsjq"))))
    (build-system haskell-build-system)
    (home-page
     "http://hackage.haskell.org/package/appar")
    (synopsis "A simple applicative parser")
    (description
     "A simple applicative parser in Parsec style.")
    (license bsd-3)))

(define-public ghc-safe
  (package
    (name "ghc-safe")
    (version "0.3.9")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/safe/safe-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1jdnp5zhvalf1xy8i872n29nljfjz6lnl9ghj80ffisrnnkrwcfh"))))
    (build-system haskell-build-system)
    (home-page
     "https://github.com/ndmitchell/safe#readme")
    (synopsis
     "Library of safe (exception free) functions")
    (description
     "A library wrapping Prelude/Data.List functions that can throw
exceptions, such as head and !!.")
    (license bsd-3)))

(define-public ghc-generic-deriving
  (package
    (name "ghc-generic-deriving")
    (version "1.8.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/generic-deriving/generic-deriving-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1kc6lhdanls6kgpk8xv5xi14lz1sngcd8xn930hkf7ilq4kxkcr6"))))
    (build-system haskell-build-system)
    (home-page "https://hackage.haskell.org/package/generic-deriving")
    (synopsis "Functionality for generalising the deriving mechanism in
Haskell to arbitrary classes.")
    (description "Functionality for generalising the deriving mechanism in
Haskell to arbitrary classes.")
    (license bsd-3)))

(define-public ghc-pcre-light
  (package
    (name "ghc-pcre-light")
    (version "0.4.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/pcre-light/pcre-light-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0l1df2sk5qwf424bvb8mbdkr2xjg43fi92n5r22yd7vm1zz0jqvf"))))
    (build-system haskell-build-system)
    (inputs
     `(("pcre" ,pcre)))
    (home-page
     "https://github.com/Daniel-Diaz/pcre-light")
    (synopsis
     "A small, efficient and portable regex library for Perl 5 compatible
regular expressions")
    (description
     "A small, efficient and portable regex library for Perl 5 compatible
regular expressions.  The PCRE library is a set of functions that implement
regular expression pattern matching using the same syntax and semantics as
Perl 5.")
    (license bsd-3)))

(define-public ghc-logict
  (package
    (name "ghc-logict")
    (version "0.6.0.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/logict/logict-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "07hnirv6snnym2r7iijlfz00b60jpy2856zvqxh989q0in7bd0hi"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-mtl" ,ghc-mtl)))
    (home-page "http://code.haskell.org/~dolio/")
    (synopsis "A backtracking logic-programming monad.")
    (description "A continuation-based, backtracking, logic programming
monad. An adaptation of the two-continuation implementation found in the paper
\"Backtracking, Interleaving, and Terminating Monad Transformers\" available
here: <http://okmij.org/ftp/papers/LogicT.pdf>.")
    (license bsd-3)))

(define-public ghc-xml
  (package
    (name "ghc-xml")
    (version "1.3.14")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/xml/xml-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0g814lj7vaxvib2g3r734221k80k7ap9czv9hinifn8syals3l9j"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-text" ,ghc-text)))
    (home-page "http://code.galois.com")
    (synopsis "A simple XML library.")
    (description "A simple XML library.")
    (license bsd-3)))

(define-public ghc-exceptions
  (package
    (name "ghc-exceptions")
    (version "0.8.0.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/exceptions/exceptions-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1x1bk1jf42k1gigiqqmkkh38z2ffhx8rsqiszdq3f94m2h6kw2h7"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))
    (propagated-inputs
     `(("ghc-stm" ,ghc-stm)
       ("ghc-mtl" ,ghc-mtl)
       ("ghc-transformers-compat" ,ghc-transformers-compat)))
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page
     "http://github.com/ekmett/exceptions/")
    (synopsis
     "Extensible optionally-pure exceptions")
    (description
     "Extensible optionally-pure exceptions")
    (license bsd-3)))

(define-public ghc-temporary
  (package
    (name "ghc-temporary")
    (version "1.2.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/temporary/temporary-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0is67bmsjmbbw6wymhis8wyq9gax3sszm573p5719fx2c9z9r24a"))))
    (build-system haskell-build-system)
    (propagated-inputs `(("ghc-exceptions" ,ghc-exceptions)))
    (home-page
     "http://www.github.com/batterseapower/temporary")
    (synopsis "Portable temporary file and directory support for Windows and
Unix, based on code from Cabal")
    (description "The functions for creating temporary files and directories
in the base library are quite limited. The unixutils package contains some
good ones, but they aren't portable to Windows. This library just repackages
the Cabal implementations of its own temporary file and folder functions so
that you can use them without linking against Cabal or depending on it being
installed.")
    (license bsd-3)))

(define-public ghc-silently
  (package
    (name "ghc-silently")
    (version "1.2.5")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/silently/silently-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0f9qm3f7y0hpxn6mddhhg51mm1r134qkvd2kr8r6192ka1ijbxnf"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))  ;; circular dependency with nanospec
    (inputs
     `(("ghc-temporary" ,ghc-temporary)))
    (home-page "https://github.com/hspec/silently")
    (synopsis
     "Prevent or capture writing to stdout and other handles.")
    (description
     "Prevent or capture writing to stdout and other handles.")
    (license bsd-3)))

(define-public ghc-quickcheck-instances
  (package
    (name "ghc-quickcheck-instances")
    (version "0.3.11")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/quickcheck-instances/quickcheck-instances-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "041s6963czs1pz0fc9cx17lgd6p83czqy2nxji7bhxqxwl2j15h2"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-old-time" ,ghc-old-time)
       ("ghc-unordered-containers" ,ghc-unordered-containers)))
    (inputs
     `(("ghc-hashable" ,ghc-hashable)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-text" ,ghc-text)))
    (home-page
     "https://github.com/aslatter/qc-instances")
    (synopsis "Common quickcheck instances")
    (description
     "QuickCheck instances for types provided by the Haskell Platform.")
    (license bsd-3)))

(define-public ghc-quickcheck-unicode
  (package
    (name "ghc-quickcheck-unicode")
    (version "1.0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/quickcheck-unicode/quickcheck-unicode-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1a8nl6x7l9b22yx61wm0bh2n1xzb1hd5i5zgg1w4fpaivjnrrhi4"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page
     "https://github.com/bos/quickcheck-unicode")
    (synopsis "Generator and shrink functions for testing Unicode-related
software.")
    (description "Generator and shrink functions for testing Unicode-related
software.")
    (license bsd-3)))

(define-public ghc-quickcheck-io
  (package
    (name "ghc-quickcheck-io")
    (version "0.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/quickcheck-io/quickcheck-io-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1kf1kfw9fsmly0rvzvdf6jvdw10qhkmikyj0wcwciw6wad95w9sh"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hunit" ,ghc-hunit)))
    (home-page
     "https://github.com/hspec/quickcheck-io#readme")
    (synopsis "Use HUnit assertions as QuickCheck properties")
    (description "This package provides an orphan instance that allows you to
use HUnit assertions as QuickCheck properties.")
    (license expat)))

(define-public ghc-quickcheck
  (package
    (name "ghc-quickcheck")
    (version "2.8.1")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/QuickCheck/QuickCheck-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0fvnfl30fxmj5q920l13641ar896d53z0z6z66m7c1366lvalwvh"))))
    (build-system haskell-build-system)
    (arguments
     `(#:tests? #f  ; FIXME: currently missing libraries used for tests.
       #:configure-flags '("-f base4")))
    ;; these inputs are necessary to use this package
    (propagated-inputs
     `(("ghc-tf-random" ,ghc-tf-random)))
    (home-page
     "https://github.com/nick8325/quickcheck")
    (synopsis
     "Automatic testing of Haskell programs")
    (description
     "QuickCheck is a library for random testing of program properties.")
    (license bsd-3)))

(define-public ghc-case-insensitive
  (package
    (name "ghc-case-insensitive")
    (version "1.2.0.4")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/case-insensitive/case-insensitive-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "07nm40r9yw2p9qsfp3pjbsmyn4dabrxw34p48171zmccdd5hv0v3"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)))
    ;; these inputs are necessary to use this library
    (propagated-inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-hashable" ,ghc-hashable)))
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    (home-page
     "https://github.com/basvandijk/case-insensitive")
    (synopsis "Case insensitive string comparison")
    (description
     "The module 'Data.CaseInsensitive' provides the 'CI' type constructor
which can be parameterised by a string-like type like: 'String', 'ByteString',
'Text', etc..  Comparisons of values of the resulting type will be insensitive
to cases.")
    (license bsd-3)))

(define-public ghc-syb
  (package
    (name "ghc-syb")
    (version "0.6")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/syb/syb-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1p3cnqjm13677r4a966zffzhi9b3a321aln8zs8ckqj0d9z1z3d3"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)
       ("ghc-mtl" ,ghc-mtl)))
    (home-page
     "http://www.cs.uu.nl/wiki/GenericProgramming/SYB")
    (synopsis "Scrap Your Boilerplate")
    (description
     "This package contains the generics system described in the
/Scrap Your Boilerplate/ papers (see
<http://www.cs.uu.nl/wiki/GenericProgramming/SYB>).
It defines the 'Data' class of types permitting folding and unfolding
of constructor applications, instances of this class for primitive
types, and a variety of traversals.")
    (license bsd-3)))

(define-public ghc-fgl
  (package
    (name "ghc-fgl")
    (version "5.5.1.0")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/fgl/fgl-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0rcmz0xlyr1wj490ffja29z1jgl51gz19ka609da6bx39bwx7nga"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-mtl" ,ghc-mtl)))
    (home-page "http://web.engr.oregonstate.edu/~erwig/fgl/haskell")
    (synopsis
     "Martin Erwig's Functional Graph Library")
    (description "The functional graph library, FGL, is a collection of type
and function definitions to address graph problems.  The basis of the library
is an inductive definition of graphs in the style of algebraic data types that
encourages inductive, recursive definitions of graph algorithms.")
    (license bsd-3)))

(define-public ghc-unordered-containers
  (package
    (name "ghc-unordered-containers")
    (version "0.2.5.1")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/unordered-containers/unordered-containers-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "06l1xv7vhpxly75saxdrbc6p2zlgz1az278arfkz4rgawfnphn3f"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)))
    ;; these inputs are necessary to use this library
    (propagated-inputs `(("ghc-hashable" ,ghc-hashable)))
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    (home-page
     "https://github.com/tibbe/unordered-containers")
    (synopsis
     "Efficient hashing-based container types")
    (description
     "Efficient hashing-based container types.  The containers have been
optimized for performance critical use, both in terms of large data quantities
and high speed.")
    (license bsd-3)))

(define-public ghc-uniplate
  (package
    (name "ghc-uniplate")
    (version "1.6.12")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/uniplate/uniplate-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1dx8f9aw27fz8kw0ad1nm6355w5rdl7bjvb427v2bsgnng30pipw"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-syb" ,ghc-syb)
       ("ghc-hashable" ,ghc-hashable)
       ("ghc-unordered-containers"
        ,ghc-unordered-containers)))
    (home-page
     "http://community.haskell.org/~ndm/uniplate/")
    (synopsis
     "Help writing simple, concise and fast generic operations.")
    (description
     "Uniplate is library for writing simple and concise generic
operations.  Uniplate has similar goals to the original Scrap Your
Boilerplate work, but is substantially simpler and faster.")
    (license bsd-3)))

(define-public ghc-base64-bytestring
  (package
    (name "ghc-base64-bytestring")
    (version "1.0.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/base64-bytestring/base64-bytestring-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0l1v4ddjdsgi9nqzyzcxxj76rwar3lzx8gmwf2r54bqan3san9db"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))         ; FIXME: testing libraries are missing.
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hunit" ,ghc-hunit)))
    (home-page
     "https://github.com/bos/base64-bytestring")
    (synopsis
     "Fast base64 encoding and decoding for ByteStrings")
    (description
     "Fast base64 encoding and decoding for ByteStrings")
    (license bsd-3)))

(define-public ghc-annotated-wl-pprint
  (package
    (name "ghc-annotated-wl-pprint")
    (version "0.7.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/annotated-wl-pprint"
             "/annotated-wl-pprint-" version
             ".tar.gz"))
       (sha256
        (base32
	 "061xfz6qany3wf95csl8dcik2pz22cn8iv1qchhm16isw5zjs9hc"))))
    (build-system haskell-build-system)
    (home-page
     "https://github.com/david-christiansen/annotated-wl-pprint")
    (synopsis
     "The Wadler/Leijen Pretty Printer, with annotation support")
    (description "This is a modified version of wl-pprint, which was based on
Wadler's paper \"A Prettier Printer\".  This version allows the library user
to annotate the text with semantic information, which can later be rendered in
a variety of ways.")
    (license bsd-3)))

(define-public ghc-ansi-wl-pprint
  (package
    (name "ghc-ansi-wl-pprint")
    (version "0.6.7.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/ansi-wl-pprint/ansi-wl-pprint-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "025pyphsjf0dnbrmj5nscbi6gzyigwgp3ifxb3psn7kji6mfr29p"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-ansi-terminal" ,ghc-ansi-terminal)))
    (home-page "http://github.com/ekmett/ansi-wl-pprint")
    (synopsis "The Wadler/Leijen Pretty Printer for colored ANSI
terminal output")
    (description "This is a pretty printing library based on Wadler's
paper \"A Prettier Printer\". It has been enhanced with support for
ANSI terminal colored output using the ansi-terminal package.")
    (license bsd-3)))

(define-public ghc-split
  (package
    (name "ghc-split")
    (version "0.2.2")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/split/split-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0xa3j0gwr6k5vizxybnzk5fgb3pppgspi6mysnp2gwjp2dbrxkzr"))))
    (build-system haskell-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-before
          'configure 'update-cabal
          ;; the cabal file on hackage is updated, but the tar.gz does not
          ;; include it.
          (lambda* _
            (copy-file (assoc-ref %build-inputs "ghc-split-cabal-update")
                       "split.cabal"))))))
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-split-cabal-update"
        ,(origin
           (method url-fetch)
           (uri (string-append
                 "https://hackage.haskell.org/package/split-"
                 version "/revision/1.cabal"))
           (sha256
            (base32
             "1i1h5v1zqvganhzy1wdd9r648yjpir078n0g8051njg82h2f964h"))))))
    (home-page "http://hackage.haskell.org/package/split")
    (synopsis
     "Combinator library for splitting lists")
    (description "A collection of various methods for splitting lists into
parts, akin to the 'split' function found in several mainstream languages.")
    (license bsd-3)))

(define-public ghc-parsec
  (package
    (name "ghc-parsec")
    (version "3.1.9")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/parsec/parsec-"
             version
             ".tar.gz"))
       (sha256
        (base32 "1ja20cmj6v336jy87c6h3jzjp00sdbakwbdwp11iln499k913xvi"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)))
    ;; these inputs are necessary to use this library
    (propagated-inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-mtl" ,ghc-mtl)))
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    (home-page
     "https://github.com/aslatter/parsec")
    (synopsis "Monadic parser combinators")
    (description "Parsec is a parser library.  It is simple, safe, well
documented, has extensive libraries, good error messages, and is fast.  It is
defined as a monad transformer that can be stacked on arbitrary monads, and it
is also parametric in the input stream type.")
    (license bsd-3)))

(define-public ghc-vector
  (package
    (name "ghc-vector")
    (version "0.11.0.0")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/vector/vector-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1r1jlksy7b0kb0fy00g64isk6nyd9wzzdq31gx5v1wn38knj0lqa"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)))
    ;; these inputs are necessary to use this library
    (propagated-inputs
     `(("ghc-primitive" ,ghc-primitive)))
    (arguments
     `(#:tests? #f)) ; FIXME: currently missing libraries used for tests.
    (home-page "https://github.com/haskell/vector")
    (synopsis "Efficient Arrays")
    (description "An efficient implementation of Int-indexed arrays (both
mutable and immutable), with a powerful loop optimisation framework.")
  (license bsd-3)))

(define-public ghc-network
  (package
    (name "ghc-network")
    (version "2.6.2.1")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/network/network-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1yhvpd4wigz165jvyvw9zslx7lgqdj63jh3zv5s74b5ykdfa3zd3"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)))
    (arguments
     `(#:tests? #f  ; FIXME: currently missing libraries used for tests.
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'set-sh
                     (lambda _ (setenv "CONFIG_SHELL" "sh"))))))
    (home-page "https://github.com/haskell/network")
    (synopsis "Low-level networking interface")
    (description
     "This package provides a low-level networking interface.")
    (license bsd-3)))

(define-public ghc-network-uri
  (package
    (name "ghc-network-uri")
    (version "2.6.0.3")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/network-uri/network-uri-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1pwbqb2rk4rnvllvdch42p5368xcvpkanp7bxckdhxya8zzwvhhg"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)
       ("ghc-network" ,ghc-network)))
    (arguments
     `(#:tests? #f))  ; FIXME: currently missing libraries used for tests.
    (propagated-inputs
     `(("ghc-parsec" ,ghc-parsec)))
    (home-page
     "https://github.com/haskell/network-uri")
    (synopsis "Library for URI manipulation")
    (description "This package provides an URI manipulation interface.  In
'network-2.6' the 'Network.URI' module was split off from the 'network'
package into this package.")
    (license bsd-3)))

(define-public ghc-ansi-terminal
  (package
    (name "ghc-ansi-terminal")
    (version "0.6.2.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/ansi-terminal/ansi-terminal-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0hpfw0k025y681m9ml1c712skrb1p4vh7z5x1f0ci9ww7ssjrh2d"))))
    (build-system haskell-build-system)
    (home-page "https://github.com/feuerbach/ansi-terminal")
    (synopsis "Simple ANSI terminal support, with Windows compatibility")
    (description "ANSI terminal support for Haskell: allows cursor movement,
screen clearing, color output showing or hiding the cursor, and changing the
title. Compatible with Windows and those Unixes with ANSI terminals, but only
GHC is supported as a compiler.")
    (license bsd-3)))

(define-public ghc-http
  (package
    (name "ghc-http")
    (version "4000.2.20")
    (outputs '("out" "doc"))
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/HTTP/HTTP-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0nyqdxr5ls2dxkf4a1f3x15xzwdm46ppn99nkcbhswlr6s3cq1s4"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-hunit" ,ghc-hunit)))
    (propagated-inputs
     `(("ghc-old-time" ,ghc-old-time)
       ("ghc-parsec" ,ghc-parsec)
       ("ghc-mtl" ,ghc-mtl)
       ("ghc-network" ,ghc-network)
       ("ghc-network-uri" ,ghc-network-uri)))
    (arguments
     `(#:tests? #f))  ; FIXME: currently missing libraries used for tests.
    (home-page "https://github.com/haskell/HTTP")
    (synopsis "Library for client-side HTTP")
    (description
     "The HTTP package supports client-side web programming in Haskell.  It
lets you set up HTTP connections, transmitting requests and processing the
responses coming back.")
    (license bsd-3)))

(define-public ghc-hspec
  (package
    (name "ghc-hspec")
    (version "2.2.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hspec/hspec-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0zqisxznlbszivsgy3irvf566zhcr6ipqqj3x9i7pj5hy913jwqf"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-hspec-core" ,ghc-hspec-core)
       ("ghc-hspec-discover" ,ghc-hspec-discover)
       ("ghc-hspec-expectations" ,ghc-hspec-expectations)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hunit" ,ghc-hunit)))
    (inputs
     `(("ghc-stringbuilder" ,ghc-stringbuilder)
       ("ghc-hspec-meta" ,ghc-hspec-meta)))
    (home-page "http://hspec.github.io/")
    (synopsis "Testing Framework for Haskell")
    (description "Testing framework for Haskell, inspired by the Ruby library
RSpec.")
    (license expat)))

(define-public ghc-hspec-expectations
  (package
    (name "ghc-hspec-expectations")
    (version "0.7.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hspec-expectations/hspec-expectations-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1w56jiqfyl237sr207gh3b0l8sr9layy0mdsgd5wknzb49mif6ip"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-hunit" ,ghc-hunit)))
    (home-page
     "https://github.com/sol/hspec-expectations#readme")
    (synopsis "Catchy combinators for HUnit")
    (description "Catchy combinators for HUnit:
<https://github.com/sol/hspec-expectations#readme>.")
    (license expat)))

(define-public ghc-hspec-discover
  (package
    (name "ghc-hspec-discover")
    (version "2.2.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hspec-discover/hspec-discover-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0w3awzbljf4hqhxrjrxqa1lfcclg92bhmq641gz2q80vycspapzx"))))
    (build-system haskell-build-system)
    (arguments `(#:haddock? #f))
    (inputs `(("ghc-hspec-meta" ,ghc-hspec-meta)))
    (home-page "http://hspec.github.io/")
    (synopsis "Automatically discover and run Hspec tests")
    (description "Automatically discover and run Hspec tests.")
    (license expat)))

(define-public ghc-hspec-core
  (package
    (name "ghc-hspec-core")
    (version "2.2.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hspec-core/hspec-core-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1wgd55k652jaf81nkvciyqi67ycj7zamr4nd9z1cqf8nr9fc3sa4"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
    (propagated-inputs
     `(("ghc-setenv" ,ghc-setenv)
       ("ghc-ansi-terminal" ,ghc-ansi-terminal)
       ("ghc-async" ,ghc-async)
       ("ghc-quickcheck-io" ,ghc-quickcheck-io)))
    (inputs
     `(("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hspec-expectations" ,ghc-hspec-expectations)
       ("ghc-silently" ,ghc-silently)))
    (home-page "http://hspec.github.io/")
    (synopsis "A Testing Framework for Haskell")
    (description "Exposes internal types and functions that can be used to
extend Hspec's functionality.")
    (license expat)))

(define-public ghc-hspec-meta
  (package
    (name "ghc-hspec-meta")
    (version "2.2.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/hspec-meta/hspec-meta-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1fmqmgrzp135cxhmxxbaswkk4bqbpgfml00cmcz0d39n11vzpa5z"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hunit" ,ghc-hunit)
       ("ghc-ansi-terminal" ,ghc-ansi-terminal)
       ("ghc-async" ,ghc-async)
       ("ghc-hspec-expectations" ,ghc-hspec-expectations)
       ("ghc-setenv" ,ghc-setenv)
       ("ghc-random" ,ghc-random)
       ("ghc-quickcheck-io" ,ghc-quickcheck-io)))
    (home-page "http://hspec.github.io/")
    (synopsis "A version of Hspec which is used to test Hspec itself")
    (description "A stable version of Hspec which is used to test the
in-development version of Hspec.")
    (license expat)))

(define-public ghc-vault
  (package
    (name "ghc-vault")
    (version "0.3.0.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/vault/vault-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0ah6qrg71krc87f4vjy4b4shdd0mgyil8fikb3j6fl4kfwlg67jn"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-unordered-containers" ,ghc-unordered-containers)
       ("ghc-hashable" ,ghc-hashable)))
    (home-page
     "https://github.com/HeinrichApfelmus/vault")
    (synopsis
     "A persistent store for values of arbitrary types")
    (description
     "A /vault/ is a persistent store for values of arbitrary types. It's like
having first-class access to the storage space behind IORefs.  The data
structure is analogous to a bank vault, where you can access different bank
boxes with different keys; hence the name.  Also provided is a /locker/ type,
representing a store for a single element.")
    (license bsd-3)))

(define-public ghc-mmorph
  (package
    (name "ghc-mmorph")
    (version "1.0.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/mmorph/mmorph-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0k5zlzmnixfwcjrqvhgi3i6xg532b0gsjvc39v5jigw69idndqr2"))))
    (build-system haskell-build-system)
    (home-page
     "http://hackage.haskell.org/package/mmorph")
    (synopsis "Monad morphisms")
    (description
     "This library provides monad morphism utilities, most commonly used for
manipulating monad transformer stacks.")
    (license bsd-3)))

(define-public ghc-monad-control
  (package
    (name "ghc-monad-control")
    (version "1.0.0.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/monad-control"
             "/monad-control-" version ".tar.gz"))
       (sha256
        (base32
         "07pn1p4m80wdd7gw62s4yny8rbvm60ka1q8qx5y1plznd8sbg179"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-stm" ,ghc-stm)
       ("ghc-transformers-base" ,ghc-transformers-base)
       ("ghc-transformers-compat" ,ghc-transformers-compat)))
    (home-page
     "https://github.com/basvandijk/monad-control")
    (synopsis
     "Lift control operations, like exception catching, through monad
transformers")
    (description
     "This package defines the type class MonadBaseControl, a subset of
MonadBase into which generic control operations such as catch can be lifted
from IO or any other base monad.")
    (license bsd-3)))

(define-public ghc-byteorder
  (package
    (name "ghc-byteorder")
    (version "1.0.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/byteorder/byteorder-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "06995paxbxk8lldvarqpb3ygcjbg4v8dk4scib1rjzwlhssvn85x"))))
    (build-system haskell-build-system)
    (home-page
     "http://community.haskell.org/~aslatter/code/byteorder")
    (synopsis
     "Exposes the native endianness or byte ordering of the system.")
    (description
     "This package is for working with the native byte-ordering of the
system.")
    (license bsd-3)))

(define-public ghc-base-compat
  (package
    (name "ghc-base-compat")
    (version "0.8.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/base-compat/base-compat-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "02m93hzgxg4bcnp7xcc2fdh2hrsc2h6fwl8hix5nx9k864kwf41q"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hspec" ,ghc-hspec)))
    (home-page
     "https://hackage.haskell.org/package/base-compat")
    (synopsis
     "Compiler compatibility library")
    (description
     "Provides functions available in later versions of base to a wider range
of compilers, without requiring you to use CPP pragmas in your code.")
    (license bsd-3)))

(define-public ghc-blaze-builder
  (package
    (name "ghc-blaze-builder")
    (version "0.4.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/blaze-builder/blaze-builder-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1id3w33x9f7q5m3xpggmvzw03bkp94bpfyz81625bldqgf3yqdn1"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f))
    (inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-utf8-string" ,ghc-utf8-string)))
    (home-page
     "http://github.com/lpsmith/blaze-builder")
    (synopsis "Efficient buffered output.")
    (description
     "This library provides an implementation of the older blaze-builder
interface in terms of the new builder that shipped with bytestring-0.10.4.0.
This implementation is mostly intended as a bridge to the new builder, so that
code that uses the old interface can interoperate with code that uses the new
implementation.")
    (license bsd-3)))

(define-public ghc-blaze-markup
  (package
    (name "ghc-blaze-markup")
    (version "0.7.0.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/blaze-markup/blaze-markup-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "080vlhd8dwjxrma4bb524lh8gxs5lm3xh122icy6lnnyipla0s9y"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
    (inputs
     `(("ghc-blaze-builder" ,ghc-blaze-builder)
       ("ghc-text" ,ghc-text)
       ("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page "http://jaspervdj.be/blaze")
    (synopsis
     "A blazingly fast markup combinator library for Haskell")
    (description
     "Core modules of a blazingly fast markup combinator library for the
Haskell programming language.  The Text.Blaze module is a good starting point,
as well as this tutorial: <http://jaspervdj.be/blaze/tutorial.html>.")
    (license bsd-3)))

(define-public ghc-blaze-html
  (package
    (name "ghc-blaze-html")
    (version "0.8.1.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/blaze-html/blaze-html-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1dnw50kh0s405cg9i2y4a8awanhj3bqzk21jwgfza65kcjby7lpq"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
    (propagated-inputs
     `(("ghc-blaze-builder" ,ghc-blaze-builder)
       ("ghc-blaze-markup" ,ghc-blaze-markup)))
    (inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page "http://jaspervdj.be/blaze")
    (synopsis
     "A blazingly fast HTML combinator library for Haskell")
    (description
     "A blazingly fast HTML combinator library for the Haskell programming
language.  The Text.Blaze module is a good starting point, as well as this
tutorial: <http://jaspervdj.be/blaze/tutorial.html>.")
    (license bsd-3)))

(define-public ghc-easy-file
  (package
    (name "ghc-easy-file")
    (version "0.2.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/easy-file/easy-file-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0v75081bx4qzlqy29hh639nzlr7dncwza3qxbzm9njc4jarf31pz"))))
    (build-system haskell-build-system)
    (home-page
     "http://github.com/kazu-yamamoto/easy-file")
    (synopsis "Cross-platform File handling")
    (description
     "Cross-platform File handling for Unix/Mac/Windows")
    (license bsd-3)))

(define-public ghc-async
  (package
    (name "ghc-async")
    (version "2.0.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/async/async-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0azx4qk65a9a2gvqsfmz3w89m6shzr2iz0i5lly2zvly4n2d6m6v"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
    (propagated-inputs
     `(("ghc-stm" ,ghc-stm)))
    (inputs
     `(("ghc-hunit" ,ghc-hunit)))
    (home-page "https://github.com/simonmar/async")
    (synopsis "Run IO operations asynchronously and wait for their results")
    (description "Higher-level interface over threads in Haskell, in which
Async a is a concurrent thread that will eventually deliver a value of type
a.")
    (license bsd-3)))

(define-public ghc-fingertree
  (package
    (name "ghc-fingertree")
    (version "0.1.1.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/fingertree/fingertree-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1w6x3kp3by5yjmam6wlrf9vap5l5rrqaip0djbrdp0fpf2imn30n"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ; FIXME: testing libraries are missing.
    (inputs
     `(("ghc-hunit" ,ghc-hunit)
       ("ghc-quickcheck" ,ghc-quickcheck)))
    (home-page
     "http://hackage.haskell.org/package/fingertree")
    (synopsis
     "Generic finger-tree structure, with example instances")
    (description
     "A general sequence representation with arbitrary annotations, for use as
a base for implementations of various collection types, with examples, as
described in section 4 of Ralf Hinze and Ross Paterson, \"Finger trees: a
simple general-purpose data structure\".")
    (license bsd-3)))

(define-public ghc-optparse-applicative
  (package
    (name "ghc-optparse-applicative")
    (version "0.11.0.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/optparse-applicative"
             "/optparse-applicative-" version ".tar.gz"))
       (sha256
        (base32
         "0ni52ii9555jngljvzxn1ngicr6i2w647ww3rzhdrmng04y95iii"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-transformers-compat" ,ghc-transformers-compat)
       ("ghc-ansi-wl-pprint" ,ghc-ansi-wl-pprint)))
    (home-page
     "https://github.com/pcapriotti/optparse-applicative")
    (synopsis
     "Utilities and combinators for parsing command line options")
    (description
     "Utilities and combinators for parsing command line options")
    (license bsd-3)))

(define-public ghc-base-orphans
  (package
    (name "ghc-base-orphans")
    (version "0.4.4")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/base-orphans/base-orphans-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0hhgpwjvx7jhvlhsygmmf0q5hv2ymijzz4bjilicw99bmv13qcpl"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-hspec" ,ghc-hspec)))
    (home-page "https://hackage.haskell.org/package/base-orphans")
    (synopsis "Orphan instances for backwards compatibility")
    (description
     "Defines orphan instances that mimic instances available in later
versions of base to a wider (older) range of compilers.")
    (license bsd-3)))

(define-public ghc-auto-update
  (package
    (name "ghc-auto-update")
    (version "0.1.2.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/auto-update/auto-update-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1ns4c5mqhnm7hsiqxf1ivjs5fflyq92b16ldzrcl0p85631h0c3v"))))
    (build-system haskell-build-system)
    (home-page "https://github.com/yesodweb/wai")
    (synopsis
     "Efficiently run periodic, on-demand actions")
    (description
     "Efficiently run periodic, on-demand actions")
    (license expat)))

(define-public ghc-tagged
  (package
    (name "ghc-tagged")
    (version "0.8.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/tagged/tagged-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1hc2qzhhz5p1xd8k03sklrdnhcflkwhgpl82k6fam8yckww9ipav"))))
    (build-system haskell-build-system)
    (home-page
     "https://hackage.haskell.org/package/tagged")
    (synopsis "Haskell 98 phantom types to avoid unsafely passing dummy
arguments")
    (description
     "Haskell 98 phantom types to avoid unsafely passing dummy arguments.")
    (license bsd-3)))

(define-public ghc-unbounded-delays
  (package
    (name "ghc-unbounded-delays")
    (version "0.1.0.9")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/unbounded-delays/unbounded-delays-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1f4h87503m3smhip432q027wj3zih18pmz2rnafh60589ifcl420"))))
    (build-system haskell-build-system)
    (home-page
     "https://github.com/basvandijk/unbounded-delays")
    (synopsis "Unbounded thread delays and timeouts")
    (description
     "The threadDelay and timeout functions from the base library use
the bounded Int type for specifying the delay or timeout period. This
packages provides alternatives which use the unbounded Integer type.")
    (license bsd-3)))

(define-public ghc-nats
  (package
    (name "ghc-nats")
    (version "1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/nats/nats-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0r6s8l4s0yq3x2crrkv0b8zac13magfasr9v8hnq6rn1icsfhic0"))))
    (build-system haskell-build-system)
    (arguments `(#:haddock? #f))
    (inputs
     `(("ghc-hashable" ,ghc-hashable)))
    (home-page
     "https://hackage.haskell.org/package/nats")
    (synopsis "Natural numbers")
    (description
     "Natural numbers for Haskell.")
    (license bsd-3)))

(define-public ghc-void
  (package
    (name "ghc-void")
    (version "0.7.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/void/void-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1x15x2axz84ndw2bf60vjqljhrb0w95lddaljsxrl0hcd29zvw69"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-semigroups" ,ghc-semigroups)))
    (inputs
     `(("ghc-hashable" ,ghc-hashable)))
    (home-page "http://github.com/ekmett/void")
    (synopsis
     "A Haskell 98 logically uninhabited data type")
    (description
     "A Haskell 98 logically uninhabited data type, used to indicate that a
given term should not exist.")
    (license bsd-3)))

(define-public ghc-statevar
  (package
    (name "ghc-statevar")
    (version "1.1.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/StateVar/StateVar-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1ap51cvwq61xckx5hw44l82ihbxvsq3263xr5hqg42c5qp67kbhf"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-stm" ,ghc-stm)))
    (home-page
     "http://hackage.haskell.org/package/StateVar")
    (synopsis
     "State variables for Haskell")
    (description
     "State variables, which are references in the IO monad, like IORefs or
parts of the OpenGL state.")
    (license bsd-3)))

(define-public ghc-tagsoup
  (package
    (name "ghc-tagsoup")
    (version "0.13.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/tagsoup/tagsoup-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "13b6zy6346r3cxhaivys84fnxarg8wbv7r2znazfjdkqil8n5a1j"))))
    (build-system haskell-build-system)
    (inputs `(("ghc-text" ,ghc-text)))
    (home-page
     "http://community.haskell.org/~ndm/tagsoup/")
    (synopsis
     "Parsing and extracting information from (possibly malformed) HTML/XML
documents")
    (description
     "TagSoup is a library for parsing HTML/XML.  It supports the HTML 5
specification, and can be used to parse either well-formed XML, or
unstructured and malformed HTML from the web.  The library also provides
useful functions to extract information from an HTML document, making it ideal
for screen-scraping.")
    (license bsd-3)))

(define-public ghc-digest
  (package
    (name "ghc-digest")
    (version "0.0.1.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/digest/digest-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "04gy2zp8yzvv7j9bdfvmfzcz3sqyqa6rwslqcn4vyair2vmif5v4"))))
    (build-system haskell-build-system)
    (inputs
     `(("zlib" ,zlib)))
    (home-page
     "http://hackage.haskell.org/package/digest")
    (synopsis
     "Various cryptographic hashes for bytestrings; CRC32 and Adler32 for
now.")
    (description
     "This package provides efficient cryptographic hash implementations for
strict and lazy bytestrings.  For now, CRC32 and Adler32 are supported; they
are implemented as FFI bindings to efficient code from zlib.")
    (license bsd-3)))

(define-public ghc-bifunctors
  (package
    (name "ghc-bifunctors")
    (version "5")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/bifunctors/bifunctors-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "13990xdgx0n23qgi18ghhmsywj5zkr0a5bim0g8a4nzi0cx95ps1"))))
    (build-system haskell-build-system)
    (inputs
     `(("ghc-tagged" ,ghc-tagged)
       ("ghc-semigroups" ,ghc-semigroups)))
    (home-page
     "http://github.com/ekmett/bifunctors/")
    (synopsis "Bifunctors")
    (description "Bifunctors")
    (license bsd-3)))

(define-public ghc-contravariant
  (package
    (name "ghc-contravariant")
    (version "1.3.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/contravariant/contravariant-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "184hcmhsznqrkmqlc1kza9pb5p591anva574ry8wrh81vqmhwfb5"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-void" ,ghc-void)
       ("ghc-transformers-compat" ,ghc-transformers-compat)
       ("ghc-statevar" ,ghc-statevar)))
    (inputs
     `(("ghc-semigroups" ,ghc-semigroups)))
    (home-page
     "http://github.com/ekmett/contravariant/")
    (synopsis "Contravariant functors")
    (description "Contravariant functors for Haskell.")
    (license bsd-3)))

(define-public ghc-semigroups
  (package
    (name "ghc-semigroups")
    (version "0.17.0.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/semigroups/semigroups-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "0gvpfi7s6ys4qha3y9a1zl1a15gf9cgg33wjb94ghg82ivcxnc3r"))))
    (build-system haskell-build-system)
    (propagated-inputs
     `(("ghc-nats" ,ghc-nats)
       ("ghc-tagged" ,ghc-tagged)
       ("ghc-unordered-containers" ,ghc-unordered-containers)))
    (inputs
     `(("ghc-text" ,ghc-text)
       ("ghc-hashable" ,ghc-hashable)))
    (home-page
     "http://github.com/ekmett/semigroups/")
    (synopsis "Anything that associates")
    (description
     "In mathematics, a semigroup is an algebraic structure consisting of a
set together with an associative binary operation.  A semigroup generalizes a
monoid in that there might not exist an identity element.  It
also (originally) generalized a group (a monoid with all inverses) to a type
where every element did not have to have an inverse, thus the name
semigroup.")
    (license bsd-3)))

(define-public ghc-doctest
  (package
    (name "ghc-doctest")
    (version "0.10.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://hackage.haskell.org/package/doctest/doctest-"
             version
             ".tar.gz"))
       (sha256
        (base32
         "1jbyhzbi2hfrfg7vbkpj6vriaap8cn99nnmzwcfscwaijz09jyrm"))))
    (build-system haskell-build-system)
    (arguments `(#:tests? #f)) ;; FIXME missing test framework
    (propagated-inputs
     `(("ghc-syb" ,ghc-syb)
       ("ghc-paths" ,ghc-paths)))
    (inputs
     `(("ghc-base-compat" ,ghc-base-compat)
       ("ghc-hunit" ,ghc-hunit)
       ("ghc-hspec" ,ghc-hspec)
       ("ghc-quickcheck" ,ghc-quickcheck)
       ("ghc-stringbuilder" ,ghc-stringbuilder)
       ("ghc-silently" ,ghc-silently)
       ("ghc-setenv" ,ghc-setenv)))
    (home-page
     "https://github.com/sol/doctest#readme")
    (synopsis "Test interactive Haskell examples")
    (description
     "The doctest program checks examples in source code comments.  It is
modeled after doctest for
Python (<http://docs.python.org/library/doctest.html>).")
    (license expat)))

;;; haskell.scm ends here