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01/01: gnu: Move emulation packages from games to emulators.


From: Rutger Helling
Subject: 01/01: gnu: Move emulation packages from games to emulators.
Date: Thu, 22 Feb 2018 06:16:07 -0500 (EST)

rhelling pushed a commit to branch master
in repository guix.

commit 9af704c59cfbffd021f0e7420a57f7f2ed6c8c07
Author: Rutger Helling <address@hidden>
Date:   Thu Feb 22 12:04:14 2018 +0100

    gnu: Move emulation packages from games to emulators.
    
    * gnu/packages/games.scm (desmume) (dosbox) (emulation-station) (higan) 
(mgba)
      (mupen64plus-audio-sdl) (mupen64plus-core) (mupen64plus-input-sdl)
      (mupen64plus-rsp-hle) (mupen64plus-rsp-z64) (mupen64plus-ui-console)
      (mupen64plus-video-arachnoid) (mupen64plus-video-glide64)
      (mupen64plus-video-glide64mk2) (mupen64plus-video-rice)
      (mupen64plus-video-z64) (nestopia-ue) (retroarch): Move to... *
      gnu/packages/emulators.scm: ... here.
---
 gnu/packages/emulators.scm | 951 ++++++++++++++++++++++++++++++++++++++++++++-
 gnu/packages/games.scm     | 919 -------------------------------------------
 2 files changed, 948 insertions(+), 922 deletions(-)

diff --git a/gnu/packages/emulators.scm b/gnu/packages/emulators.scm
index d0d0108..79c570f 100644
--- a/gnu/packages/emulators.scm
+++ b/gnu/packages/emulators.scm
@@ -1,6 +1,14 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018 David Thompson <address@hidden>
-;;; Copyright © 2018 Rutger Helling <address@hidden>
+;;; Copyright © 2015 Mark H Weaver <address@hidden>
+;;; Copyright © 2015 Paul van der Walt <address@hidden>
+;;; Copyright © 2015, 2016 Sou Bunnbu <address@hidden>
+;;; Copyright © 2015, 2016 Taylan Ulrich Bayırlı/Kammer <address@hidden>
+;;; Copyright © 2015, 2018 David Thompson <address@hidden>
+;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <address@hidden>
+;;; Copyright © 2016, 2017 Efraim Flashner <address@hidden>
+;;; Copyright © 2017 Nicolas Goaziou <address@hidden>
+;;; Copyright © 2017 Tobias Geerinckx-Rice <address@hidden>
+;;; Copyright © 2017, 2018 Rutger Helling <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -20,31 +28,82 @@
 (define-module (gnu packages emulators)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
+  #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix svn-download)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages algebra)
   #:use-module (gnu packages audio)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages boost)
+  #:use-module (gnu packages backup)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
+  #:use-module (gnu packages databases)
   #:use-module (gnu packages fonts)
   #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages freedesktop)
   #:use-module (gnu packages game-development)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages gl)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages imagemagick)
+  #:use-module (gnu packages libedit)
   #:use-module (gnu packages libusb)
   #:use-module (gnu packages linux)
+  #:use-module (gnu packages ncurses)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages pulseaudio)
+  #:use-module (gnu packages python)
   #:use-module (gnu packages qt)
   #:use-module (gnu packages sdl)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages upnp)
   #:use-module (gnu packages video)
+  #:use-module (gnu packages vulkan)
   #:use-module (gnu packages wxwidgets)
+  #:use-module (gnu packages xdisorg)
   #:use-module (gnu packages xiph)
+  #:use-module (gnu packages xml)
   #:use-module (gnu packages xorg)
-  #:use-module (guix build-system cmake))
+  #:use-module (guix build-system cmake)
+  #:use-module (guix build-system gnu))
+
+(define-public desmume
+  (package
+    (name "desmume")
+    (version "0.9.11")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "mirror://sourceforge/desmume/desmume/"
+             version "/desmume-" version ".tar.gz"))
+       (sha256
+        (base32
+         "15l8wdw3q61fniy3h93d84dnm6s4pyadvh95a0j6d580rjk4pcrs"))))
+    (build-system gnu-build-system)
+    (arguments
+     ;; Enable support for WiFi and microphone.
+     `(#:configure-flags '("--enable-wifi"
+                           "--enable-openal")))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("intltool" ,intltool)))
+    (inputs
+     `(("zlib" ,zlib)
+       ("sdl" ,sdl)
+       ("glib" ,glib)
+       ("gtk+" ,gtk+-2)
+       ("glu" ,glu)))
+    (home-page "http://desmume.org/";)
+    (synopsis "Nintendo DS emulator")
+    (description
+     "DeSmuME is an emulator for the Nintendo DS handheld gaming console.")
+    (license license:gpl2)))
 
 ;; Building from recent Git because the official 5.0 release no longer builds.
 (define-public dolphin-emu
@@ -173,3 +232,889 @@ turbo speed, networked multiplayer, and graphical 
enhancements.")
       (supported-systems '("x86_64-linux")) ; TODO: should also work on ARM64.
       ; dolphin/Data/Sys/GC/font_*.bin: Licensed under ASL2.0.
       (license (list license:gpl2+ license:asl2.0 license:fdl1.2+)))))
+
+(define-public dosbox
+  (package
+    (name "dosbox")
+    (version "0.74.svn3947")
+    (source (origin
+              (method svn-fetch)
+              (uri (svn-reference
+                    (url 
"http://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk/";)
+                    (revision 3947)))
+              (file-name (string-append name "-" version "-checkout"))
+              ;; Use SVN head, since the last release (2010) is incompatible
+              ;; with GCC 4.8+ (see
+              ;; <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624976>).
+              (sha256
+               (base32
+                "1p918j6090d1nkvgq7ifvmn506zrdmyi32y7p3ms40d5ssqjg8fj"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:phases (modify-phases %standard-phases
+                  (add-after
+                   'unpack 'autogen.sh
+                   (lambda _
+                     (zero? (system* "sh" "autogen.sh")))))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)))
+    (inputs
+     `(("sdl" ,sdl)
+       ("libpng" ,libpng)
+       ("zlib" ,zlib)
+       ("alsa-lib" ,alsa-lib)
+       ("glu" ,glu)
+       ("mesa" ,mesa)))
+    (home-page "http://www.dosbox.com";)
+    (synopsis "X86 emulator with CGA/EGA/VGA/etc. graphics and sound")
+    (description "DOSBox is a DOS-emulator that uses the SDL library.  DOSBox
+also emulates CPU:286/386 realmode/protected mode, Directory
+FileSystem/XMS/EMS, Tandy/Hercules/CGA/EGA/VGA/VESA graphics, a
+SoundBlaster/Gravis Ultra Sound card for excellent sound compatibility with
+older games.")
+    (license license:gpl2+)))
+
+(define-public emulation-station
+  (let ((commit "646bede3d9ec0acf0ae378415edac136774a66c5"))
+    (package
+      (name "emulation-station")
+      (version "2.0.1")
+      (source (origin
+                (method git-fetch) ; no tarball available
+                (uri (git-reference
+                      (url "https://github.com/Aloshi/EmulationStation.git";)
+                      (commit commit))) ; no version tag
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "0cm0sq2wri2l9cvab1l0g02za59q7klj0h3p028vr96n6njj4w9v"))))
+      (build-system cmake-build-system)
+      (arguments
+       '(#:tests? #f)) ; no tests
+      (inputs
+       `(("alsa-lib" ,alsa-lib)
+         ("boost" ,boost)
+         ("curl" ,curl)
+         ("eigin" ,eigen)
+         ("freeimage" ,freeimage)
+         ("freetype" ,freetype)
+         ("mesa" ,mesa)
+         ("sdl2" ,sdl2)))
+      (synopsis "Video game console emulator front-end")
+      (description "EmulationStation provides a graphical front-end to a large
+number of video game console emulators.  It features an interface that is
+usable with any game controller that has at least 4 buttons, theming support,
+and a game metadata scraper.")
+      (home-page "http://www.emulationstation.org";)
+      (license license:expat))))
+
+(define-public higan
+  (package
+    (name "higan")
+    (version "106")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://gitlab.com/higan/higan/repository/archive.tar.gz?ref=v";
+             version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0y42pra0dxzlbkyzcp3r8a39pji2bj3p9fl40425f60af2igr4rw"))
+       (patches (search-patches "higan-remove-march-native-flag.patch"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("alsa-lib" ,alsa-lib)
+       ("ao" ,ao)
+       ("eudev" ,eudev)
+       ("gtk+" ,gtk+-2)
+       ("gtksourceview-2" ,gtksourceview-2)
+       ("libxv" ,libxv)
+       ("mesa" ,mesa)
+       ("openal" ,openal)
+       ("pulseaudio" ,pulseaudio)
+       ("sdl" ,sdl)))
+    (arguments
+     '(#:phases
+       (let ((build-phase (assoc-ref %standard-phases 'build))
+             (install-phase (assoc-ref %standard-phases 'install)))
+         (modify-phases %standard-phases
+           ;; The higan build system has no configure phase.
+           (delete 'configure)
+           (add-before 'build 'chdir-to-higan
+             (lambda _
+               (chdir "higan")))
+           (add-before 'install 'create-/share/applications
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let ((out (assoc-ref outputs "out")))
+                 ;; It seems the author forgot to do this in the Makefile.
+                 (mkdir-p (string-append out "/share/applications")))))
+           (add-after 'install 'chdir-to-icarus
+             (lambda _
+               (chdir "../icarus")))
+           (add-after 'chdir-to-icarus 'build-icarus build-phase)
+           (add-after 'build-icarus 'install-icarus install-phase)
+           (add-after 'install-icarus 'wrap-higan-executable
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let* ((out (assoc-ref outputs "out"))
+                      (bin (string-append out "/bin"))
+                      (higan (string-append bin "/higan"))
+                      (higan-original (string-append higan "-original"))
+                      (bash (string-append (assoc-ref inputs "bash")
+                                           "/bin/bash"))
+                      (coreutils (assoc-ref inputs "coreutils"))
+                      (mkdir (string-append coreutils "/bin/mkdir"))
+                      (cp (string-append coreutils "/bin/cp"))
+                      (cp-r (string-append cp " -r --no-preserve=mode")))
+                 ;; First, have the executable make sure ~/.local/share/higan
+                 ;; contains up to date files.  Higan insists on looking there
+                 ;; for these data files.
+                 (rename-file higan higan-original)
+                 (with-output-to-file higan
+                   (lambda ()
+                     (display
+                      (string-append
+                       "#!" bash "\n"
+                       ;; higan doesn't respect $XDG_DATA_HOME
+                       mkdir " -p ~/.local/share\n"
+                       cp-r " " out "/share/higan ~/.local/share\n"
+                       "exec " higan-original))))
+                 (chmod higan #o555)
+                 ;; Second, make sure higan will find icarus in PATH.
+                 (wrap-program higan
+                   `("PATH" ":" prefix (,bin))))))))
+       #:make-flags
+       (list "compiler=g++"
+             (string-append "prefix=" (assoc-ref %outputs "out")))
+       ;; There is no test suite.
+       #:tests? #f))
+    (home-page "http://byuu.org/emulation/higan/";)
+    (synopsis "Nintendo multi-system emulator")
+    (description
+     "higan (formerly bsnes) is an emulator for multiple Nintendo video game
+consoles, including the Nintendo Entertainment System (NES/Famicom), Super
+Nintendo Entertainment System (SNES/Super Famicom), Game Boy, Game Boy
+Color (GBC), and Game Boy Advance (GBA).  It also supports the subsystems
+Super Game Boy, BS-X Satellaview, and Sufami Turbo.")
+    ;; As noted in these files among more:
+    ;; - icarus/icarus.cpp
+    ;; - higan/emulator/emulator.hpp
+    (license license:gpl3)))
+
+(define-public mgba
+  (package
+    (name "mgba")
+    (version "0.6.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/mgba-emu/mgba/archive/";
+                                  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0xmq1q1j71hnpd49wm91cqq8w5zdhb921cm17jchp4qjmaqgwy3w"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Make sure we don't use the bundled software.
+               '(for-each
+                 (lambda (subdir)
+                   (let ((lib-subdir (string-append "src/third-party/" 
subdir)))
+                     (delete-file-recursively lib-subdir)))
+                 '("libpng" "lzma" "sqlite3" "zlib")))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:tests? #f                      ;no "test" target
+       #:configure-flags
+       (list "-DUSE_LZMA=OFF"           ;do not use bundled LZMA
+             "-DUSE_LIBZIP=OFF"         ;use "zlib" instead
+             (string-append "-DCMAKE_INSTALL_LIBDIR="
+                            (assoc-ref %outputs "out") "/lib"))))
+    (native-inputs `(("pkg-config" ,pkg-config)))
+    (inputs `(("ffmpeg" ,ffmpeg)
+              ("imagemagick" ,imagemagick)
+              ("libedit" ,libedit)
+              ("libepoxy" ,libepoxy)
+              ("libpng" ,libpng)
+              ("mesa" ,mesa)
+              ("minizip" ,minizip)
+              ("ncurses" ,ncurses)
+              ("qtbase" ,qtbase)
+              ("qtmultimedia" ,qtmultimedia)
+              ("qttools" ,qttools)
+              ("sdl2" ,sdl2)
+              ("sqlite" ,sqlite)
+              ("zlib" ,zlib)))
+    (home-page "https://mgba.io";)
+    (synopsis "Game Boy Advance emulator")
+    (description
+     "mGBA is an emulator for running Game Boy Advance games.  It aims to be
+faster and more accurate than many existing Game Boy Advance emulators, as
+well as adding features that other emulators lack.  It also supports Game Boy
+and Game Boy Color games.")
+    ;; Code is mainly MPL 2.0. "blip_buf.c" is LGPL 2.1+ and "inih.c" is
+    ;; BSD-3.
+    (license (list license:mpl2.0 license:lgpl2.1+ license:bsd-3))))
+
+(define-public mupen64plus-core
+  (package
+    (name "mupen64plus-core")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-core/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0dg2hksm5qni2hcha93k7n4fqr92888p946f7phb0ndschzfh9kk"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("freetype" ,freetype)
+       ("glu" ,glu)
+       ("libpng" ,libpng)
+       ("mesa" ,mesa)
+       ("sdl2" ,sdl2)
+       ("zlib" ,zlib)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags (let ((out (assoc-ref %outputs "out")))
+                      (list "all" (string-append "PREFIX=" out)))
+       ;; There are no tests.
+       #:tests? #f))
+    ;; As per the Makefile (in projects/unix/Makefile):
+    (supported-systems '("i686-linux" "x86_64-linux"))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Nintendo 64 emulator core library")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+core library.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-audio-sdl
+  (package
+    (name "mupen64plus-audio-sdl")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-audio-sdl/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0ss6w92n2rpfnazhg9lbq0nvs3fqx93nliz3k3wjxdlx4dpi7h3a"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus SDL input plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+SDL audio plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-input-sdl
+  (package
+    (name "mupen64plus-input-sdl")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-input-sdl/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "11sj5dbalp2nrlmki34vy7wy28vc175pnnkdk65p8599hnyq37ri"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("which" ,which)))
+    (inputs
+     `(("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus SDL input plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+SDL input plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-rsp-hle
+  (package
+    (name "mupen64plus-rsp-hle")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-rsp-hle/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "15h7mgz6xd2zjzm6l3f96sbs8kwr3xvbwzgikhnka79m6c69hsxv"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("mupen64plus-core" ,mupen64plus-core)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus SDL input plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+high-level emulation (HLE) RSP processor plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-rsp-z64
+  (package
+    (name "mupen64plus-rsp-z64")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-rsp-z64/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "10jz1w2dhx5slhyk4m8mdqlpsd6cshchslr1fckb2ayzb1ls3ghi"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("mupen64plus-core" ,mupen64plus-core)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus SDL input plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Z64 RSP processor plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-video-arachnoid
+  (package
+    (name "mupen64plus-video-arachnoid")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"https://github.com/mupen64plus/mupen64plus-video-arachnoid/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0jjwf144rihznm4lnqbhgigxw664v3v32wy94adaa6imk8z6gslh"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("mesa" ,mesa)
+       ("mupen64plus-core" ,mupen64plus-core)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus Rice Video plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Arachnoid video plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-video-glide64
+  (package
+    (name "mupen64plus-video-glide64")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"https://github.com/mupen64plus/mupen64plus-video-glide64/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1rm55dbf6xgsq1blbzs6swa2ajv0qkn38acbljj346abnk6s3dla"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("mesa" ,mesa)
+       ("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix")))
+         ;; XXX Should be unnecessary with the next release.
+         (add-before
+          'build 'use-sdl2
+          (lambda _
+            (substitute* "Makefile"
+              (("SDL_CONFIG = (.*)sdl-config" all prefix)
+               (string-append "SDL_CONFIG = " prefix "sdl2-config"))))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus Rice Video plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Glide64 video plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-video-glide64mk2
+  (package
+    (name "mupen64plus-video-glide64mk2")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             
"https://github.com/mupen64plus/mupen64plus-video-glide64mk2/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1ihl4q293d6svba26b4mhapjcdg12p90gibz79b4mx423jlcxxj9"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("boost" ,boost)
+       ("libpng" ,libpng)
+       ("mesa" ,mesa)
+       ("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)
+       ("zlib" ,zlib)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus Rice Video plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Glide64MK2 video plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-video-rice
+  (package
+    (name "mupen64plus-video-rice")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-video-rice/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0rd2scjmh285w61aj3mgx71whg5rqrjbry3cdgicczrnyvf8wdvk"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("libpng" ,libpng)
+       ("mesa" ,mesa)
+       ("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus Rice Video plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Rice Video plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-video-z64
+  (package
+    (name "mupen64plus-video-z64")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-video-z64/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1x7wsjs5gx2iwx20p4cjcbf696zsjlh31qxmghwv0ifrq8x58s1b"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("glew" ,glew)
+       ("mupen64plus-core" ,mupen64plus-core)
+       ("sdl2" ,sdl2)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix")))
+         ;; XXX Should be unnecessary with the next release.
+         (add-before
+          'build 'use-sdl2
+          (lambda _
+            (substitute* "Makefile"
+              (("SDL_CONFIG = (.*)sdl-config" all prefix)
+               (string-append "SDL_CONFIG = " prefix "sdl2-config"))))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus Z64 video plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+Z64 video plugin.")
+    (license license:gpl2+)))
+
+(define-public mupen64plus-ui-console
+  (package
+    (name "mupen64plus-ui-console")
+    (version "2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/mupen64plus/mupen64plus-ui-console/archive/";
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "04qkpd8ic7xsgnqz7spl00wxdygf79m7d1k8rabbygjk5lg6p8z2"))
+       (patches (search-patches "mupen64plus-ui-console-notice.patch"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (inputs
+     `(("sdl2" ,sdl2)))
+    ;; Mupen64Plus supports a single data directory and a single plugin
+    ;; directory in its configuration, yet we need data and plugin files from
+    ;; a variety of packages.  The best way to deal with this is to install
+    ;; all packages from which data and plugin files are needed into one's
+    ;; profile, and point the configuration there.  Hence, propagate the most
+    ;; important packages here to save the user from the bother.  The patch
+    ;; mupen64plus-ui-console-notice also gives users instructions on what
+    ;; they need to do in order to point the configuration to their profile.
+    (propagated-inputs
+     `(("mupen64plus-core" ,mupen64plus-core)
+       ("mupen64plus-audio-sdl" ,mupen64plus-audio-sdl)
+       ("mupen64plus-input-sdl" ,mupen64plus-input-sdl)
+       ("mupen64plus-rsp-hle" ,mupen64plus-rsp-hle)
+       ("mupen64plus-video-glide64" ,mupen64plus-video-glide64)
+       ("mupen64plus-video-glide64mk2" ,mupen64plus-video-glide64mk2)
+       ("mupen64plus-video-rice" ,mupen64plus-video-rice)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The mupen64plus build system has no configure phase.
+         (delete 'configure)
+         ;; Makefile is in a subdirectory.
+         (add-before
+          'build 'cd-to-project-dir
+          (lambda _
+            (chdir "projects/unix"))))
+       #:make-flags
+       (let ((out (assoc-ref %outputs "out"))
+             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
+         (list "all"
+               (string-append "PREFIX=" out)
+               (string-append "APIDIR=" m64p "/include/mupen64plus")
+               ;; Trailing slash matters here.
+               (string-append "COREDIR=" m64p "/lib/")))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://www.mupen64plus.org/";)
+    (synopsis "Mupen64Plus SDL input plugin")
+    (description
+     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
+which is capable of accurately playing many games.  This package contains the
+command line user interface.  Installing this package is the easiest way
+towards a working Mupen64Plus for casual users.")
+    (license license:gpl2+)))
+
+(define-public nestopia-ue
+  (package
+    (name "nestopia-ue")
+    (version "1.47")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/rdanbrook/nestopia/archive/";
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1dzrrjmvyqks64q5l5pfly80jb6qcsbj5b3dm40fijd5xnpbapci"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; We don't need libretro for the GNU/Linux build.
+                  (delete-file-recursively "libretro")
+                  ;; Use system zlib.
+                  (delete-file-recursively "source/zlib")
+                  (substitute* "source/core/NstZlib.cpp"
+                    (("#include \"../zlib/zlib.h\"") "#include <zlib.h>"))))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (inputs
+     `(("ao" ,ao)
+       ("glu" ,glu)
+       ("gtk+" ,gtk+)
+       ("libarchive" ,libarchive)
+       ("mesa" ,mesa)
+       ("sdl2" ,sdl2)
+       ("zlib" ,zlib)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         ;; The Nestopia build system consists solely of a Makefile.
+         (delete 'configure)
+         (add-before 'build 'remove-xdg-desktop-menu-call
+           (lambda _
+             (substitute* "Makefile"
+               (("xdg-desktop-menu install .*") ""))))
+         (add-before 'build 'remove-gdkwayland-include
+           (lambda _
+             (substitute* "source/unix/gtkui/gtkui.h"
+               (("#include <gdk/gdkwayland\\.h>") "")))))
+       #:make-flags (let ((out (assoc-ref %outputs "out")))
+                      (list "CC=gcc" "CXX=g++" (string-append "PREFIX=" out)))
+       ;; There are no tests.
+       #:tests? #f))
+    (home-page "http://0ldsk00l.ca/nestopia/";)
+    (synopsis "Nintendo Entertainment System (NES/Famicom) emulator")
+    (description
+     "Nestopia UE (Undead Edition) is a fork of the Nintendo Entertainment
+System (NES/Famicom) emulator Nestopia, with enhancements from members of the
+emulation community.  It provides highly accurate emulation.")
+    (license license:gpl2+)))
+
+(define-public retroarch
+  (package
+    (name "retroarch")
+    (version "1.7.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/libretro/RetroArch/archive/v";
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0fdribjfc5zz9brzhqcxw6m76kvyg13l67aiigszv4wsjd5j3gpz"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:tests? #f                      ; no tests
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (etc (string-append out "/etc"))
+                    (vulkan (assoc-ref inputs "vulkan-icd-loader")))
+               ;; Hard-code the path to libvulkan.so.
+               (substitute* "gfx/common/vulkan_common.c"
+                 (("libvulkan.so") (string-append vulkan "/lib/libvulkan.so")))
+               (substitute* "qb/qb.libs.sh"
+                 (("/bin/true") (which "true")))
+               ;; The configure script does not yet accept the extra arguments
+               ;; (like ‘CONFIG_SHELL=’) passed by the default configure phase.
+               (zero? (system*
+                       "./configure"
+                       (string-append "--prefix=" out)
+                       (string-append "--global-config-dir=" etc)))))))))
+    (inputs
+     `(("alsa-lib" ,alsa-lib)
+       ("ffmpeg" ,ffmpeg)
+       ("freetype" ,freetype)
+       ("libxinerama" ,libxinerama)
+       ("libxkbcommon" ,libxkbcommon)
+       ("libxml2" ,libxml2)
+       ("libxv" ,libxv)
+       ("mesa" ,mesa)
+       ("openal" ,openal)
+       ("pulseaudio" ,pulseaudio)
+       ("python" ,python)
+       ("sdl" ,sdl2)
+       ("udev" ,eudev)
+       ("vulkan-icd-loader" ,vulkan-icd-loader)
+       ("wayland", wayland)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("which" ,which)))
+    (home-page "https://www.libretro.com/";)
+    (synopsis "Reference frontend for the libretro API")
+    (description
+     "Libretro is a simple but powerful development interface that allows for
+the easy creation of emulators, games and multimedia applications that can plug
+straight into any libretro-compatible frontend.  RetroArch is the official
+reference frontend for the libretro API, currently used by most as a modular
+multi-system game/emulator system.")
+    (license license:gpl3+)))
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 0ac7d99..a7c77a4 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -1619,69 +1619,6 @@ interactive fiction, also known as text adventures, 
which were implemented
 either by Infocom or created using the Inform compiler.")
     (license license:bsd-3)))
 
-(define-public retroarch
-  (package
-    (name "retroarch")
-    (version "1.7.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/libretro/RetroArch/archive/v";
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0fdribjfc5zz9brzhqcxw6m76kvyg13l67aiigszv4wsjd5j3gpz"))))
-    (build-system gnu-build-system)
-    (arguments
-     '(#:tests? #f                      ; no tests
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (etc (string-append out "/etc"))
-                    (vulkan (assoc-ref inputs "vulkan-icd-loader")))
-               ;; Hard-code the path to libvulkan.so.
-               (substitute* "gfx/common/vulkan_common.c"
-                 (("libvulkan.so") (string-append vulkan "/lib/libvulkan.so")))
-               (substitute* "qb/qb.libs.sh"
-                 (("/bin/true") (which "true")))
-               ;; The configure script does not yet accept the extra arguments
-               ;; (like ‘CONFIG_SHELL=’) passed by the default configure phase.
-               (zero? (system*
-                       "./configure"
-                       (string-append "--prefix=" out)
-                       (string-append "--global-config-dir=" etc)))))))))
-    (inputs
-     `(("alsa-lib" ,alsa-lib)
-       ("ffmpeg" ,ffmpeg)
-       ("freetype" ,freetype)
-       ("libxinerama" ,libxinerama)
-       ("libxkbcommon" ,libxkbcommon)
-       ("libxml2" ,libxml2)
-       ("libxv" ,libxv)
-       ("mesa" ,mesa)
-       ("openal" ,openal)
-       ("pulseaudio" ,pulseaudio)
-       ("python" ,python)
-       ("sdl" ,sdl2)
-       ("udev" ,eudev)
-       ("vulkan-icd-loader" ,vulkan-icd-loader)
-       ("wayland", wayland)
-       ("zlib" ,zlib)))
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (home-page "https://www.libretro.com/";)
-    (synopsis "Reference frontend for the libretro API")
-    (description
-     "Libretro is a simple but powerful development interface that allows for
-the easy creation of emulators, games and multimedia applications that can plug
-straight into any libretro-compatible frontend.  RetroArch is the official
-reference frontend for the libretro API, currently used by most as a modular
-multi-system game/emulator system.")
-    (license license:gpl3+)))
-
 (define-public gnugo
   (package
     (name "gnugo")
@@ -1922,48 +1859,6 @@ next campaign.")
     (description "This package contains a dedicated server for @emph{The
 Battle for Wesnoth}.")))
 
-(define-public dosbox
-  (package
-    (name "dosbox")
-    (version "0.74.svn3947")
-    (source (origin
-              (method svn-fetch)
-              (uri (svn-reference
-                    (url 
"http://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk/";)
-                    (revision 3947)))
-              (file-name (string-append name "-" version "-checkout"))
-              ;; Use SVN head, since the last release (2010) is incompatible
-              ;; with GCC 4.8+ (see
-              ;; <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=624976>).
-              (sha256
-               (base32
-                "1p918j6090d1nkvgq7ifvmn506zrdmyi32y7p3ms40d5ssqjg8fj"))))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:phases (modify-phases %standard-phases
-                  (add-after
-                   'unpack 'autogen.sh
-                   (lambda _
-                     (zero? (system* "sh" "autogen.sh")))))))
-    (native-inputs
-     `(("autoconf" ,autoconf)
-       ("automake" ,automake)))
-    (inputs
-     `(("sdl" ,sdl)
-       ("libpng" ,libpng)
-       ("zlib" ,zlib)
-       ("alsa-lib" ,alsa-lib)
-       ("glu" ,glu)
-       ("mesa" ,mesa)))
-    (home-page "http://www.dosbox.com";)
-    (synopsis "X86 emulator with CGA/EGA/VGA/etc. graphics and sound")
-    (description "DOSBox is a DOS-emulator that uses the SDL library.  DOSBox
-also emulates CPU:286/386 realmode/protected mode, Directory
-FileSystem/XMS/EMS, Tandy/Hercules/CGA/EGA/VGA/VESA graphics, a
-SoundBlaster/Gravis Ultra Sound card for excellent sound compatibility with
-older games.")
-    (license license:gpl2+)))
-
 (define-public gamine
   (package
     (name "gamine")
@@ -2082,638 +1977,6 @@ world}, @uref{http://evolonline.org, Evol Online} and
     ;; The rest is under GPL2+.
     (license (list license:gpl2+ license:zlib license:cc-by-sa4.0))))
 
-(define-public mupen64plus-core
-  (package
-    (name "mupen64plus-core")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-core/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0dg2hksm5qni2hcha93k7n4fqr92888p946f7phb0ndschzfh9kk"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("freetype" ,freetype)
-       ("glu" ,glu)
-       ("libpng" ,libpng)
-       ("mesa" ,mesa)
-       ("sdl2" ,sdl2)
-       ("zlib" ,zlib)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags (let ((out (assoc-ref %outputs "out")))
-                      (list "all" (string-append "PREFIX=" out)))
-       ;; There are no tests.
-       #:tests? #f))
-    ;; As per the Makefile (in projects/unix/Makefile):
-    (supported-systems '("i686-linux" "x86_64-linux"))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Nintendo 64 emulator core library")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-core library.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-audio-sdl
-  (package
-    (name "mupen64plus-audio-sdl")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-audio-sdl/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0ss6w92n2rpfnazhg9lbq0nvs3fqx93nliz3k3wjxdlx4dpi7h3a"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus SDL input plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-SDL audio plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-input-sdl
-  (package
-    (name "mupen64plus-input-sdl")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-input-sdl/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "11sj5dbalp2nrlmki34vy7wy28vc175pnnkdk65p8599hnyq37ri"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("which" ,which)))
-    (inputs
-     `(("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus SDL input plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-SDL input plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-rsp-hle
-  (package
-    (name "mupen64plus-rsp-hle")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-rsp-hle/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "15h7mgz6xd2zjzm6l3f96sbs8kwr3xvbwzgikhnka79m6c69hsxv"))))
-    (build-system gnu-build-system)
-    (inputs
-     `(("mupen64plus-core" ,mupen64plus-core)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus SDL input plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-high-level emulation (HLE) RSP processor plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-rsp-z64
-  (package
-    (name "mupen64plus-rsp-z64")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-rsp-z64/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "10jz1w2dhx5slhyk4m8mdqlpsd6cshchslr1fckb2ayzb1ls3ghi"))))
-    (build-system gnu-build-system)
-    (inputs
-     `(("mupen64plus-core" ,mupen64plus-core)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus SDL input plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Z64 RSP processor plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-video-arachnoid
-  (package
-    (name "mupen64plus-video-arachnoid")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             
"https://github.com/mupen64plus/mupen64plus-video-arachnoid/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0jjwf144rihznm4lnqbhgigxw664v3v32wy94adaa6imk8z6gslh"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("mesa" ,mesa)
-       ("mupen64plus-core" ,mupen64plus-core)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus Rice Video plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Arachnoid video plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-video-glide64
-  (package
-    (name "mupen64plus-video-glide64")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             
"https://github.com/mupen64plus/mupen64plus-video-glide64/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1rm55dbf6xgsq1blbzs6swa2ajv0qkn38acbljj346abnk6s3dla"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("mesa" ,mesa)
-       ("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix")))
-         ;; XXX Should be unnecessary with the next release.
-         (add-before
-          'build 'use-sdl2
-          (lambda _
-            (substitute* "Makefile"
-              (("SDL_CONFIG = (.*)sdl-config" all prefix)
-               (string-append "SDL_CONFIG = " prefix "sdl2-config"))))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus Rice Video plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Glide64 video plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-video-glide64mk2
-  (package
-    (name "mupen64plus-video-glide64mk2")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             
"https://github.com/mupen64plus/mupen64plus-video-glide64mk2/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1ihl4q293d6svba26b4mhapjcdg12p90gibz79b4mx423jlcxxj9"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("boost" ,boost)
-       ("libpng" ,libpng)
-       ("mesa" ,mesa)
-       ("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)
-       ("zlib" ,zlib)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus Rice Video plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Glide64MK2 video plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-video-rice
-  (package
-    (name "mupen64plus-video-rice")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-video-rice/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0rd2scjmh285w61aj3mgx71whg5rqrjbry3cdgicczrnyvf8wdvk"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("libpng" ,libpng)
-       ("mesa" ,mesa)
-       ("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus Rice Video plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Rice Video plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-video-z64
-  (package
-    (name "mupen64plus-video-z64")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-video-z64/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "1x7wsjs5gx2iwx20p4cjcbf696zsjlh31qxmghwv0ifrq8x58s1b"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("glew" ,glew)
-       ("mupen64plus-core" ,mupen64plus-core)
-       ("sdl2" ,sdl2)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix")))
-         ;; XXX Should be unnecessary with the next release.
-         (add-before
-          'build 'use-sdl2
-          (lambda _
-            (substitute* "Makefile"
-              (("SDL_CONFIG = (.*)sdl-config" all prefix)
-               (string-append "SDL_CONFIG = " prefix "sdl2-config"))))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus Z64 video plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-Z64 video plugin.")
-    (license license:gpl2+)))
-
-(define-public mupen64plus-ui-console
-  (package
-    (name "mupen64plus-ui-console")
-    (version "2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/mupen64plus/mupen64plus-ui-console/archive/";
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "04qkpd8ic7xsgnqz7spl00wxdygf79m7d1k8rabbygjk5lg6p8z2"))
-       (patches (search-patches "mupen64plus-ui-console-notice.patch"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("which" ,which)))
-    (inputs
-     `(("sdl2" ,sdl2)))
-    ;; Mupen64Plus supports a single data directory and a single plugin
-    ;; directory in its configuration, yet we need data and plugin files from
-    ;; a variety of packages.  The best way to deal with this is to install
-    ;; all packages from which data and plugin files are needed into one's
-    ;; profile, and point the configuration there.  Hence, propagate the most
-    ;; important packages here to save the user from the bother.  The patch
-    ;; mupen64plus-ui-console-notice also gives users instructions on what
-    ;; they need to do in order to point the configuration to their profile.
-    (propagated-inputs
-     `(("mupen64plus-core" ,mupen64plus-core)
-       ("mupen64plus-audio-sdl" ,mupen64plus-audio-sdl)
-       ("mupen64plus-input-sdl" ,mupen64plus-input-sdl)
-       ("mupen64plus-rsp-hle" ,mupen64plus-rsp-hle)
-       ("mupen64plus-video-glide64" ,mupen64plus-video-glide64)
-       ("mupen64plus-video-glide64mk2" ,mupen64plus-video-glide64mk2)
-       ("mupen64plus-video-rice" ,mupen64plus-video-rice)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The mupen64plus build system has no configure phase.
-         (delete 'configure)
-         ;; Makefile is in a subdirectory.
-         (add-before
-          'build 'cd-to-project-dir
-          (lambda _
-            (chdir "projects/unix"))))
-       #:make-flags
-       (let ((out (assoc-ref %outputs "out"))
-             (m64p (assoc-ref %build-inputs "mupen64plus-core")))
-         (list "all"
-               (string-append "PREFIX=" out)
-               (string-append "APIDIR=" m64p "/include/mupen64plus")
-               ;; Trailing slash matters here.
-               (string-append "COREDIR=" m64p "/lib/")))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://www.mupen64plus.org/";)
-    (synopsis "Mupen64Plus SDL input plugin")
-    (description
-     "Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator
-which is capable of accurately playing many games.  This package contains the
-command line user interface.  Installing this package is the easiest way
-towards a working Mupen64Plus for casual users.")
-    (license license:gpl2+)))
-
-(define-public nestopia-ue
-  (package
-    (name "nestopia-ue")
-    (version "1.47")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/rdanbrook/nestopia/archive/";
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1dzrrjmvyqks64q5l5pfly80jb6qcsbj5b3dm40fijd5xnpbapci"))
-              (modules '((guix build utils)))
-              (snippet
-               '(begin
-                  ;; We don't need libretro for the GNU/Linux build.
-                  (delete-file-recursively "libretro")
-                  ;; Use system zlib.
-                  (delete-file-recursively "source/zlib")
-                  (substitute* "source/core/NstZlib.cpp"
-                    (("#include \"../zlib/zlib.h\"") "#include <zlib.h>"))))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)))
-    (inputs
-     `(("ao" ,ao)
-       ("glu" ,glu)
-       ("gtk+" ,gtk+)
-       ("libarchive" ,libarchive)
-       ("mesa" ,mesa)
-       ("sdl2" ,sdl2)
-       ("zlib" ,zlib)))
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         ;; The Nestopia build system consists solely of a Makefile.
-         (delete 'configure)
-         (add-before 'build 'remove-xdg-desktop-menu-call
-           (lambda _
-             (substitute* "Makefile"
-               (("xdg-desktop-menu install .*") ""))))
-         (add-before 'build 'remove-gdkwayland-include
-           (lambda _
-             (substitute* "source/unix/gtkui/gtkui.h"
-               (("#include <gdk/gdkwayland\\.h>") "")))))
-       #:make-flags (let ((out (assoc-ref %outputs "out")))
-                      (list "CC=gcc" "CXX=g++" (string-append "PREFIX=" out)))
-       ;; There are no tests.
-       #:tests? #f))
-    (home-page "http://0ldsk00l.ca/nestopia/";)
-    (synopsis "Nintendo Entertainment System (NES/Famicom) emulator")
-    (description
-     "Nestopia UE (Undead Edition) is a fork of the Nintendo Entertainment
-System (NES/Famicom) emulator Nestopia, with enhancements from members of the
-emulation community.  It provides highly accurate emulation.")
-    (license license:gpl2+)))
-
-(define-public emulation-station
-  (let ((commit "646bede3d9ec0acf0ae378415edac136774a66c5"))
-    (package
-      (name "emulation-station")
-      (version "2.0.1")
-      (source (origin
-                (method git-fetch) ; no tarball available
-                (uri (git-reference
-                      (url "https://github.com/Aloshi/EmulationStation.git";)
-                      (commit commit))) ; no version tag
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "0cm0sq2wri2l9cvab1l0g02za59q7klj0h3p028vr96n6njj4w9v"))))
-      (build-system cmake-build-system)
-      (arguments
-       '(#:tests? #f)) ; no tests
-      (inputs
-       `(("alsa-lib" ,alsa-lib)
-         ("boost" ,boost)
-         ("curl" ,curl)
-         ("eigin" ,eigen)
-         ("freeimage" ,freeimage)
-         ("freetype" ,freetype)
-         ("mesa" ,mesa)
-         ("sdl2" ,sdl2)))
-      (synopsis "Video game console emulator front-end")
-      (description "EmulationStation provides a graphical front-end to a large
-number of video game console emulators.  It features an interface that is
-usable with any game controller that has at least 4 buttons, theming support,
-and a game metadata scraper.")
-      (home-page "http://www.emulationstation.org";)
-      (license license:expat))))
-
 (define openttd-engine
   (package
     (name "openttd-engine")
@@ -3055,39 +2318,6 @@ players.")
     (home-page "http://pio.sourceforge.net/";)
     (license license:gpl2+)))
 
-(define-public desmume
-  (package
-    (name "desmume")
-    (version "0.9.11")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "mirror://sourceforge/desmume/desmume/"
-             version "/desmume-" version ".tar.gz"))
-       (sha256
-        (base32
-         "15l8wdw3q61fniy3h93d84dnm6s4pyadvh95a0j6d580rjk4pcrs"))))
-    (build-system gnu-build-system)
-    (arguments
-     ;; Enable support for WiFi and microphone.
-     `(#:configure-flags '("--enable-wifi"
-                           "--enable-openal")))
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("intltool" ,intltool)))
-    (inputs
-     `(("zlib" ,zlib)
-       ("sdl" ,sdl)
-       ("glib" ,glib)
-       ("gtk+" ,gtk+-2)
-       ("glu" ,glu)))
-    (home-page "http://desmume.org/";)
-    (synopsis "Nintendo DS emulator")
-    (description
-     "DeSmuME is an emulator for the Nintendo DS handheld gaming console.")
-    (license license:gpl2)))
-
 (define-public einstein
   (package
     (name "einstein")
@@ -3343,155 +2573,6 @@ Red Eclipse provides fast paced and accessible 
gameplay.")
                      license:cc-by3.0
                      license:cc0)))))
 
-(define-public higan
-  (package
-    (name "higan")
-    (version "106")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://gitlab.com/higan/higan/repository/archive.tar.gz?ref=v";
-             version))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "0y42pra0dxzlbkyzcp3r8a39pji2bj3p9fl40425f60af2igr4rw"))
-       (patches (search-patches "higan-remove-march-native-flag.patch"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("pkg-config" ,pkg-config)))
-    (inputs
-     `(("alsa-lib" ,alsa-lib)
-       ("ao" ,ao)
-       ("eudev" ,eudev)
-       ("gtk+" ,gtk+-2)
-       ("gtksourceview-2" ,gtksourceview-2)
-       ("libxv" ,libxv)
-       ("mesa" ,mesa)
-       ("openal" ,openal)
-       ("pulseaudio" ,pulseaudio)
-       ("sdl" ,sdl)))
-    (arguments
-     '(#:phases
-       (let ((build-phase (assoc-ref %standard-phases 'build))
-             (install-phase (assoc-ref %standard-phases 'install)))
-         (modify-phases %standard-phases
-           ;; The higan build system has no configure phase.
-           (delete 'configure)
-           (add-before 'build 'chdir-to-higan
-             (lambda _
-               (chdir "higan")))
-           (add-before 'install 'create-/share/applications
-             (lambda* (#:key outputs #:allow-other-keys)
-               (let ((out (assoc-ref outputs "out")))
-                 ;; It seems the author forgot to do this in the Makefile.
-                 (mkdir-p (string-append out "/share/applications")))))
-           (add-after 'install 'chdir-to-icarus
-             (lambda _
-               (chdir "../icarus")))
-           (add-after 'chdir-to-icarus 'build-icarus build-phase)
-           (add-after 'build-icarus 'install-icarus install-phase)
-           (add-after 'install-icarus 'wrap-higan-executable
-             (lambda* (#:key inputs outputs #:allow-other-keys)
-               (let* ((out (assoc-ref outputs "out"))
-                      (bin (string-append out "/bin"))
-                      (higan (string-append bin "/higan"))
-                      (higan-original (string-append higan "-original"))
-                      (bash (string-append (assoc-ref inputs "bash")
-                                           "/bin/bash"))
-                      (coreutils (assoc-ref inputs "coreutils"))
-                      (mkdir (string-append coreutils "/bin/mkdir"))
-                      (cp (string-append coreutils "/bin/cp"))
-                      (cp-r (string-append cp " -r --no-preserve=mode")))
-                 ;; First, have the executable make sure ~/.local/share/higan
-                 ;; contains up to date files.  Higan insists on looking there
-                 ;; for these data files.
-                 (rename-file higan higan-original)
-                 (with-output-to-file higan
-                   (lambda ()
-                     (display
-                      (string-append
-                       "#!" bash "\n"
-                       ;; higan doesn't respect $XDG_DATA_HOME
-                       mkdir " -p ~/.local/share\n"
-                       cp-r " " out "/share/higan ~/.local/share\n"
-                       "exec " higan-original))))
-                 (chmod higan #o555)
-                 ;; Second, make sure higan will find icarus in PATH.
-                 (wrap-program higan
-                   `("PATH" ":" prefix (,bin))))))))
-       #:make-flags
-       (list "compiler=g++"
-             (string-append "prefix=" (assoc-ref %outputs "out")))
-       ;; There is no test suite.
-       #:tests? #f))
-    (home-page "http://byuu.org/emulation/higan/";)
-    (synopsis "Nintendo multi-system emulator")
-    (description
-     "higan (formerly bsnes) is an emulator for multiple Nintendo video game
-consoles, including the Nintendo Entertainment System (NES/Famicom), Super
-Nintendo Entertainment System (SNES/Super Famicom), Game Boy, Game Boy
-Color (GBC), and Game Boy Advance (GBA).  It also supports the subsystems
-Super Game Boy, BS-X Satellaview, and Sufami Turbo.")
-    ;; As noted in these files among more:
-    ;; - icarus/icarus.cpp
-    ;; - higan/emulator/emulator.hpp
-    (license license:gpl3)))
-
-(define-public mgba
-  (package
-    (name "mgba")
-    (version "0.6.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/mgba-emu/mgba/archive/";
-                                  version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0xmq1q1j71hnpd49wm91cqq8w5zdhb921cm17jchp4qjmaqgwy3w"))
-              (modules '((guix build utils)))
-              (snippet
-               ;; Make sure we don't use the bundled software.
-               '(for-each
-                 (lambda (subdir)
-                   (let ((lib-subdir (string-append "src/third-party/" 
subdir)))
-                     (delete-file-recursively lib-subdir)))
-                 '("libpng" "lzma" "sqlite3" "zlib")))))
-    (build-system cmake-build-system)
-    (arguments
-     `(#:tests? #f                      ;no "test" target
-       #:configure-flags
-       (list "-DUSE_LZMA=OFF"           ;do not use bundled LZMA
-             "-DUSE_LIBZIP=OFF"         ;use "zlib" instead
-             (string-append "-DCMAKE_INSTALL_LIBDIR="
-                            (assoc-ref %outputs "out") "/lib"))))
-    (native-inputs `(("pkg-config" ,pkg-config)))
-    (inputs `(("ffmpeg" ,ffmpeg)
-              ("imagemagick" ,imagemagick)
-              ("libedit" ,libedit)
-              ("libepoxy" ,libepoxy)
-              ("libpng" ,libpng)
-              ("mesa" ,mesa)
-              ("minizip" ,minizip)
-              ("ncurses" ,ncurses)
-              ("qtbase" ,qtbase)
-              ("qtmultimedia" ,qtmultimedia)
-              ("qttools" ,qttools)
-              ("sdl2" ,sdl2)
-              ("sqlite" ,sqlite)
-              ("zlib" ,zlib)))
-    (home-page "https://mgba.io";)
-    (synopsis "Game Boy Advance emulator")
-    (description
-     "mGBA is an emulator for running Game Boy Advance games.  It aims to be
-faster and more accurate than many existing Game Boy Advance emulators, as
-well as adding features that other emulators lack.  It also supports Game Boy
-and Game Boy Color games.")
-    ;; Code is mainly MPL 2.0. "blip_buf.c" is LGPL 2.1+ and "inih.c" is
-    ;; BSD-3.
-    (license (list license:mpl2.0 license:lgpl2.1+ license:bsd-3))))
-
 (define-public grue-hunter
   (package
     (name "grue-hunter")



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