;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015 Sou Bunnbu <iyzsong@gmail.com>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016, 2017, 2018 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017, 2018, 2019 Rutger Helling <rhelling@mykolab.com>
;;; Copyright © 2017, 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
;;; Copyright © 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
;;;
;;; 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 wine)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system meson)
  #:use-module (guix build-system trivial)
  #:use-module (gnu packages)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages audio)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages cups)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages image)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gstreamer)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages kerberos)
  #:use-module (gnu packages libusb)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages mingw)
  #:use-module (gnu packages openldap)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pulseaudio)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages mp3)
  #:use-module (gnu packages photo)
  #:use-module (gnu packages samba)
  #:use-module (gnu packages scanner)
  #:use-module (gnu packages sdl)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages video)
  #:use-module (gnu packages vulkan)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (ice-9 match)
  #:use-module (srfi srfi-1))

(define-public wine
  (package
    (name "wine")
    (version "6.0")
    (source
     (origin
       (method url-fetch)
       (uri (let ((dir (string-append
                        (version-major version)
                        (if (string-suffix? ".0" (version-major+minor version))
                            ".0/"
                            ".x/"))))
              (string-append "https://dl.winehq.org/wine/source/" dir
                             "wine-" version ".tar.xz")))
       (sha256
        (base32 "0micb3l54cc2cl3v5q92hzvkxxiwi9lmiv72caf45vl35xghd4xl"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("bison" ,bison)
       ("flex" ,flex)
       ("gettext" ,gettext-minimal)
       ("perl" ,perl)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("alsa-lib" ,alsa-lib)
       ("dbus" ,dbus)
       ("cups" ,cups)
       ("eudev" ,eudev)
       ("faudio" ,faudio)
       ("fontconfig" ,fontconfig)
       ("freetype" ,freetype)
       ("gnutls" ,gnutls)
       ("gst-plugins-base" ,gst-plugins-base)
       ("lcms" ,lcms)
       ("libxml2" ,libxml2)
       ("libxslt" ,libxslt)
       ("libgphoto2" ,libgphoto2)
       ("libmpg123" ,mpg123)
       ("libldap" ,openldap)
       ("libnetapi" ,samba)
       ("libsane" ,sane-backends)
       ("libpcap" ,libpcap)
       ("libpng" ,libpng)
       ("libjpeg" ,libjpeg-turbo)
       ("libusb" ,libusb)
       ("libtiff" ,libtiff)
       ("libICE" ,libice)
       ("libX11" ,libx11)
       ("libXi" ,libxi)
       ("libXext" ,libxext)
       ("libXcursor" ,libxcursor)
       ("libXrender" ,libxrender)
       ("libXrandr" ,libxrandr)
       ("libXinerama" ,libxinerama)
       ("libXxf86vm" ,libxxf86vm)
       ("libXcomposite" ,libxcomposite)
       ("mit-krb5" ,mit-krb5)
       ("openal" ,openal)
       ("pulseaudio" ,pulseaudio)
       ("sdl2" ,sdl2)
       ("unixodbc" ,unixodbc)
       ("v4l-utils" ,v4l-utils)
       ("vkd3d" ,vkd3d)
       ("vulkan-loader" ,vulkan-loader)))
    (arguments
     `(;; Force a 32-bit build targeting a similar architecture, i.e.:
       ;; armhf for armhf/aarch64, i686 for i686/x86_64.
       #:system ,@(match (%current-system)
                    ((or "armhf-linux" "aarch64-linux")
                     `("armhf-linux"))
                    (_
                     `("i686-linux")))

       ;; XXX: There's a test suite, but it's unclear whether it's supposed to
       ;; pass.
       #:tests? #f

       #:configure-flags
       (list (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib/wine32"))

       #:make-flags
       (list "SHELL=bash"
             (string-append "libdir=" %output "/lib/wine32"))

       #:phases
       (modify-phases %standard-phases
         ;; Explicitly set the 32-bit version of vulkan-loader when installing
         ;; to i686-linux or x86_64-linux.
         ;; TODO: Add more JSON files as they become available in Mesa.
         ,@(match (%current-system)
             ((or "i686-linux" "x86_64-linux")
              `((add-after 'install 'wrap-executable
                  (lambda* (#:key inputs outputs #:allow-other-keys)
                    (let* ((out (assoc-ref outputs "out"))
                           (icd (string-append out "/share/vulkan/icd.d")))
                      (mkdir-p icd)
                      (copy-file (string-append
                                  (assoc-ref inputs "mesa")
                                  "/share/vulkan/icd.d/radeon_icd.i686.json")
                                 (string-append icd "/radeon_icd.i686.json"))
                      (copy-file (string-append
                                  (assoc-ref inputs "mesa")
                                  "/share/vulkan/icd.d/intel_icd.i686.json")
                                 (string-append icd "/intel_icd.i686.json"))
                      (wrap-program (string-append out "/bin/wine-preloader")
                        `("VK_ICD_FILENAMES" ":" =
                          (,(string-append icd
                                           "/radeon_icd.i686.json" ":"
                                           icd "/intel_icd.i686.json"))))
                      #t)))))
             (_
              `()))
         (add-after 'configure 'patch-dlopen-paths
           ;; Hardcode dlopened sonames to absolute paths.
           (lambda _
             (let* ((library-path (search-path-as-string->list
                                   (getenv "LIBRARY_PATH")))
                    (find-so (lambda (soname)
                               (search-path library-path soname))))
               (substitute* "include/config.h"
                 (("(#define SONAME_.* )\"(.*)\"" _ defso soname)
                  (format #f "~a\"~a\"" defso (find-so soname))))
               #t))))))
    (home-page "https://www.winehq.org/")
    (synopsis "Implementation of the Windows API (32-bit only)")
    (description
     "Wine (originally an acronym for \"Wine Is Not an Emulator\") is a
compatibility layer capable of running Windows applications.  Instead of
simulating internal Windows logic like a virtual machine or emulator, Wine
translates Windows API calls into POSIX calls on-the-fly, eliminating the
performance and memory penalties of other methods and allowing you to cleanly
integrate Windows applications into your desktop.")
    ;; Any platform should be able to build wine, but based on '#:system' these
    ;; are thr ones we currently support.
    (supported-systems '("i686-linux" "x86_64-linux" "armhf-linux"))
    (license license:lgpl2.1+)))

(define-public wine64
  (package
    (inherit wine)
    (name "wine64")
    (inputs `(("wine" ,wine)
              ,@(package-inputs wine)))
    (arguments
     `(#:make-flags
       (list "SHELL=bash"
             (string-append "libdir=" %output "/lib/wine64"))
       #:phases
       (modify-phases %standard-phases
         ;; Explicitly set both the 64-bit and 32-bit versions of vulkan-loader
         ;; when installing to x86_64-linux so both are available.
         ;; TODO: Add more JSON files as they become available in Mesa.
         ,@(match (%current-system)
             ((or "x86_64-linux")
              `((add-after 'copy-wine32-binaries 'wrap-executable
                  (lambda* (#:key inputs outputs #:allow-other-keys)
                    (let* ((out (assoc-ref outputs "out")))
                      (wrap-program (string-append out "/bin/wine-preloader")
                        `("VK_ICD_FILENAMES" ":" =
                          (,(string-append
                             (assoc-ref inputs "mesa")
                             "/share/vulkan/icd.d/radeon_icd.x86_64.json" ":"
                             (assoc-ref inputs "mesa")
                             "/share/vulkan/icd.d/intel_icd.x86_64.json" ":"
                             (assoc-ref inputs "wine")
                             "/share/vulkan/icd.d/radeon_icd.i686.json" ":"
                             (assoc-ref inputs "wine")
                             "/share/vulkan/icd.d/intel_icd.i686.json"))))
                      (wrap-program (string-append out "/bin/wine64-preloader")
                        `("VK_ICD_FILENAMES" ":" =
                          (,(string-append
                             (assoc-ref inputs "mesa")
                             "/share/vulkan/icd.d/radeon_icd.x86_64.json"
                             ":" (assoc-ref inputs "mesa")
                             "/share/vulkan/icd.d/intel_icd.x86_64.json"
                             ":" (assoc-ref inputs "wine")
                             "/share/vulkan/icd.d/radeon_icd.i686.json"
                             ":" (assoc-ref inputs "wine")
                             "/share/vulkan/icd.d/intel_icd.i686.json"))))
                      #t)))))
             (_
              `()))
         (add-after 'install 'copy-wine32-binaries
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((wine32 (assoc-ref %build-inputs "wine"))
                    (out (assoc-ref %outputs "out")))
               ;; Copy the 32-bit binaries needed for WoW64.
               (copy-file (string-append wine32 "/bin/wine")
                          (string-append out "/bin/wine"))
               ;; Copy the real 32-bit wine-preloader instead of the wrapped
               ;; version.
               (copy-file (string-append wine32 "/bin/.wine-preloader-real")
                          (string-append out "/bin/wine-preloader"))
               #t)))
         (add-after 'install 'copy-wine32-libraries
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((wine32 (assoc-ref %build-inputs "wine"))
                    (out (assoc-ref %outputs "out")))
               (copy-recursively (string-append wine32 "/lib/wine32")
                                 (string-append out "/lib/wine32"))
               #t)))
         (add-after 'compress-documentation 'copy-wine32-manpage
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((wine32 (assoc-ref %build-inputs "wine"))
                    (out (assoc-ref %outputs "out")))
               ;; Copy the missing man file for the wine binary from wine.
               (copy-file (string-append wine32 "/share/man/man1/wine.1.gz")
                          (string-append out "/share/man/man1/wine.1.gz"))
               #t)))
         (add-after 'configure 'patch-dlopen-paths
           ;; Hardcode dlopened sonames to absolute paths.
           (lambda _
             (let* ((library-path (search-path-as-string->list
                                   (getenv "LIBRARY_PATH")))
                    (find-so (lambda (soname)
                               (search-path library-path soname))))
               (substitute* "include/config.h"
                 (("(#define SONAME_.* )\"(.*)\"" _ defso soname)
                  (format #f "~a\"~a\"" defso (find-so soname))))
               #t))))
       #:configure-flags
       (list "--enable-win64"
             (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib/wine64"))
       ,@(strip-keyword-arguments '(#:configure-flags #:make-flags #:phases
                                    #:system)
                                  (package-arguments wine))))
    (synopsis "Implementation of the Windows API (WoW64 version)")
    (supported-systems '("x86_64-linux" "aarch64-linux"))))

;; This minimal build of Wine is needed to prevent a circular dependency with
;; vkd3d.
(define-public wine-minimal
  (package
    (inherit wine)
    (name "wine-minimal")
    (native-inputs (fold alist-delete (package-native-inputs wine)
               '("gettext" "perl" "pkg-config")))
    (inputs `())
    (arguments
     `(#:validate-runpath? #f
       #:phases
       (modify-phases %standard-phases
         (add-after 'configure 'patch-dlopen-paths
           ;; Hardcode dlopened sonames to absolute paths.
           (lambda _
             (let* ((library-path (search-path-as-string->list
                                   (getenv "LIBRARY_PATH")))
                    (find-so (lambda (soname)
                               (search-path library-path soname))))
               (substitute* "include/config.h"
                 (("(#define SONAME_.* )\"(.*)\"" _ defso soname)
                  (format #f "~a\"~a\"" defso (find-so soname))))
               #t))))
       #:configure-flags
       (list "--without-freetype"
             "--without-x")
       ,@(strip-keyword-arguments '(#:configure-flags #:phases)
                                  (package-arguments wine))))))

(define-public wine-staging-patchset-data
  (package
    (name "wine-staging-patchset-data")
    (version "5.13")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/wine-staging/wine-staging")
             (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0sw7790gsi3h08xgc8i1y282rk8xrdhqjlwpvbpvyw5zi0i95cvq"))))
    (build-system trivial-build-system)
    (native-inputs
     `(("bash" ,bash)
       ("coreutils" ,coreutils)))
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let* ((build-directory ,(string-append name "-" version))
                (source (assoc-ref %build-inputs "source"))
                (bash (assoc-ref %build-inputs "bash"))
                (coreutils (assoc-ref %build-inputs "coreutils"))
                (out (assoc-ref %outputs "out"))
                (wine-staging (string-append out "/share/wine-staging")))
           (copy-recursively source build-directory)
           (with-directory-excursion build-directory
             (substitute* "patches/patchinstall.sh"
               (("/bin/sh")
                (string-append bash "/bin/sh")))
             (substitute* "patches/gitapply.sh"
               (("/usr/bin/env")
                (string-append coreutils "/bin/env"))))
           (copy-recursively build-directory wine-staging)
           #t))))
    (home-page "https://github.com/wine-staging")
    (synopsis "Patchset for Wine")
    (description
     "wine-staging-patchset-data contains the patchset to build Wine-Staging.")
    (license license:lgpl2.1+)))

(define-public wine-staging
  (package
    (inherit wine)
    (name "wine-staging")
    (version (package-version wine-staging-patchset-data))
    (source
     (let* ((wine-version (version-major+minor version))
            (subdirectory (string-append
                           (version-major version)
                           (if (string-suffix? ".0" wine-version)
                               ".0"
                               ".x"))))
       (origin
         (method url-fetch)
         (uri (string-append "https://dl.winehq.org/wine/source/"
                             subdirectory "/"
                             "wine-" wine-version ".tar.xz"))
         (file-name (string-append name "-" wine-version ".tar.xz"))
         (sha256
          (base32 "0lh1bqr8xq1acz5d0cb50rvhw3h6h1vqprx5wlyrjhdg58f5qsn4")))))
    (inputs `(("autoconf" ,autoconf)    ; for autoreconf
              ("ffmpeg" ,ffmpeg)
              ("gtk+" ,gtk+)
              ("libva" ,libva)
              ("mesa" ,mesa)
              ("python" ,python)
              ("util-linux" ,util-linux) ; for hexdump
              ("wine-staging-patchset-data" ,wine-staging-patchset-data)
              ,@(package-inputs wine)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         ;; Explicitly set the 32-bit version of vulkan-loader when installing
         ;; to i686-linux or x86_64-linux.
         ;; TODO: Add more JSON files as they become available in Mesa.
         ,@(match (%current-system)
             ((or "i686-linux" "x86_64-linux")
              `((add-after 'install 'wrap-executable
                  (lambda* (#:key inputs outputs #:allow-other-keys)
                    (let* ((out (assoc-ref outputs "out"))
                           (icd (string-append out "/share/vulkan/icd.d")))
                      (mkdir-p icd)
                      (copy-file (string-append (assoc-ref inputs "mesa")
                                 "/share/vulkan/icd.d/radeon_icd.i686.json")
                                 (string-append icd "/radeon_icd.i686.json"))
                      (copy-file (string-append (assoc-ref inputs "mesa")
                                 "/share/vulkan/icd.d/intel_icd.i686.json")
                                 (string-append icd "/intel_icd.i686.json"))
                      (wrap-program (string-append out "/bin/wine-preloader")
                                    `("VK_ICD_FILENAMES" ":" =
                                      (,(string-append icd
                                        "/radeon_icd.i686.json" ":"
                                        icd "/intel_icd.i686.json"))))
                      #t)))))
             (_
              `())
             )
         (add-before 'configure 'patch-source-wine-staging
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((source (assoc-ref %build-inputs "source"))
                    (script (string-append (assoc-ref %build-inputs
                            "wine-staging-patchset-data")
                            "/share/wine-staging/patches/patchinstall.sh")))
               (invoke script (string-append "DESTDIR=" ".") "--all")
               #t)))
         (add-after 'configure 'patch-dlopen-paths
           ;; Hardcode dlopened sonames to absolute paths.
           (lambda _
             (let* ((library-path (search-path-as-string->list
                                   (getenv "LIBRARY_PATH")))
                    (find-so (lambda (soname)
                               (search-path library-path soname))))
               (substitute* "include/config.h"
                 (("(#define SONAME_.* )\"(.*)\"" _ defso soname)
                  (format #f "~a\"~a\"" defso (find-so soname))))
               #t))))
       ,@(strip-keyword-arguments '(#:phases)
                                  (package-arguments wine))))
    (synopsis "Implementation of the Windows API (staging branch, 32-bit only)")
    (description "Wine-Staging is the testing area of Wine.  It
contains bug fixes and features, which have not been integrated into
the development branch yet.  The idea of Wine-Staging is to provide
experimental features faster to end users and to give developers the
possibility to discuss and improve their patches before they are
integrated into the main branch.")
    (home-page "https://github.com/wine-staging")
    ;; In addition to the regular Wine license (lgpl2.1+), Wine-Staging
    ;; provides Liberation and WenQuanYi Micro Hei fonts.  Those use
    ;; different licenses.  In particular, the latter is licensed under
    ;; both GPL3+ and Apache 2 License.
    (license
     (list license:lgpl2.1+ license:silofl1.1 license:gpl3+ license:asl2.0))))

(define-public wine64-staging
  (package
    (inherit wine-staging)
    (name "wine64-staging")
    (inputs `(("wine-staging" ,wine-staging)
              ,@(package-inputs wine-staging)))
    (arguments
     `(#:make-flags
       (list "SHELL=bash"
             (string-append "libdir=" %output "/lib/wine64"))
       #:phases
       (modify-phases %standard-phases
         ;; Explicitly set both the 64-bit and 32-bit versions of vulkan-loader
         ;; when installing to x86_64-linux so both are available.
         ;; TODO: Add more JSON files as they become available in Mesa.
         ,@(match (%current-system)
           ((or "x86_64-linux")
             `((add-after 'copy-wine32-binaries 'wrap-executable
               (lambda* (#:key inputs outputs #:allow-other-keys)
                 (let* ((out (assoc-ref outputs "out")))
                   (wrap-program (string-append out "/bin/wine-preloader")
                                 `("VK_ICD_FILENAMES" ":" =
                                   (,(string-append (assoc-ref inputs "mesa")
                                     "/share/vulkan/icd.d/radeon_icd.x86_64.json" ":"
                                     (assoc-ref inputs "mesa")
                                     "/share/vulkan/icd.d/intel_icd.x86_64.json" ":"
                                     (assoc-ref inputs "wine-staging")
                                     "/share/vulkan/icd.d/radeon_icd.i686.json" ":"
                                     (assoc-ref inputs "wine-staging")
                                     "/share/vulkan/icd.d/intel_icd.i686.json"))))
                   (wrap-program (string-append out "/bin/wine64-preloader")
                                 `("VK_ICD_FILENAMES" ":" =
                                   (,(string-append (assoc-ref inputs "mesa")
                                     "/share/vulkan/icd.d/radeon_icd.x86_64.json"
                                     ":" (assoc-ref inputs "mesa")
                                     "/share/vulkan/icd.d/intel_icd.x86_64.json"
                                     ":" (assoc-ref inputs "wine-staging")
                                     "/share/vulkan/icd.d/radeon_icd.i686.json"
                                     ":" (assoc-ref inputs "wine-staging")
                                     "/share/vulkan/icd.d/intel_icd.i686.json"))))
                   #t)))))
           (_
            `())
           )
         (add-before 'configure 'patch-source-wine-staging
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((source (assoc-ref %build-inputs "source"))
                    (script (string-append (assoc-ref %build-inputs
                            "wine-staging-patchset-data")
                            "/share/wine-staging/patches/patchinstall.sh")))
               (invoke script (string-append "DESTDIR=" ".") "--all")
               #t)))
         (add-after 'install 'copy-wine32-binaries
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((wine32 (assoc-ref %build-inputs "wine-staging"))
                    (out (assoc-ref %outputs "out")))
               ;; Copy the 32-bit binaries needed for WoW64.
               (copy-file (string-append wine32 "/bin/wine")
                          (string-append out "/bin/wine"))
               ;; Copy the real 32-bit wine-preloader instead of the wrapped
               ;; version.
               (copy-file (string-append wine32 "/bin/.wine-preloader-real")
                          (string-append out "/bin/wine-preloader"))
               #t)))
         (add-after 'compress-documentation 'copy-wine32-manpage
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((wine32 (assoc-ref %build-inputs "wine-staging"))
                    (out (assoc-ref %outputs "out")))
               ;; Copy the missing man file for the wine binary from
               ;; wine-staging.
               (copy-file (string-append wine32 "/share/man/man1/wine.1.gz")
                          (string-append out "/share/man/man1/wine.1.gz"))
               #t)))
         (add-after 'configure 'patch-dlopen-paths
           ;; Hardcode dlopened sonames to absolute paths.
           (lambda _
             (let* ((library-path (search-path-as-string->list
                                   (getenv "LIBRARY_PATH")))
                    (find-so (lambda (soname)
                               (search-path library-path soname))))
               (substitute* "include/config.h"
                 (("(#define SONAME_.* )\"(.*)\"" _ defso soname)
                  (format #f "~a\"~a\"" defso (find-so soname))))
               #t))))
       #:configure-flags
       (list "--enable-win64"
             (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib/wine64"))
       ,@(strip-keyword-arguments '(#:configure-flags #:make-flags #:phases
                                    #:system)
                                  (package-arguments wine-staging))))
    (synopsis "Implementation of the Windows API (staging branch, WoW64
version)")
    (supported-systems '("x86_64-linux" "aarch64-linux"))))

(define dxvk32
  ;; This package provides 32-bit dxvk libraries on 64-bit systems.
  (package
    (name "dxvk32")
    (version "1.5.5")
    (home-page "https://github.com/doitsujin/dxvk/")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url home-page)
                    (commit (string-append "v" version))))
              (file-name (git-file-name name version))
              (sha256
               (base32
                "1inl0qswgvbp0fs76md86ilqf9mbshkpjm8ga81khn9zd6v3fvan"))))
    (build-system meson-build-system)
    (arguments
     `(#:system "i686-linux"
       #:configure-flags (list "--cross-file"
                               (string-append (assoc-ref %build-inputs "source")
                                              "/build-wine32.txt"))))
    (native-inputs
     ;; Since 1.5 dxvk needs gcc-8.1.  See
     ;; https://github.com/doitsujin/dxvk/issues/1292#issuecomment-567067373.
     `(("gcc" ,gcc-9)
       ("glslang" ,glslang)))
    (inputs
     `(("wine" ,wine-staging)))
    (synopsis "Vulkan-based D3D9, D3D10 and D3D11 implementation for Wine")
    (description "A Vulkan-based translation layer for Direct3D 9/10/11 which
allows running complex 3D applications with high performance using Wine.

Use @command{setup_dxvk} to install the required libraries to a Wine prefix.")
    (supported-systems '("x86_64-linux"))
    (license license:zlib)))

(define-public dxvk
  (package
    (inherit dxvk32)
    (name "dxvk")
    (arguments
     `(#:configure-flags (list "--cross-file"
                               (string-append (assoc-ref %build-inputs "source")
                                              "/build-wine"
                                              ,(match (%current-system)
                                                 ("x86_64-linux" "64")
                                                 (_ "32"))
                                              ".txt"))
       #:phases
       (modify-phases %standard-phases
         ,@(if (string=? (%current-system) "x86_64-linux")
             `((add-after 'unpack 'install-32
                 (lambda* (#:key inputs outputs #:allow-other-keys)
                   (let* ((out (assoc-ref outputs "out"))
                          (dxvk32 (assoc-ref inputs "dxvk32")))
                     (mkdir-p (string-append out "/lib32"))
                     (copy-recursively (string-append dxvk32 "/lib")
                                       (string-append out "/lib32"))
                     #t))))
             '())
         (add-after 'install 'install-setup
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (bin (string-append out "/bin/setup_dxvk")))
               (mkdir-p (string-append out "/bin"))
               (copy-file "../source/setup_dxvk.sh"
                          bin)
               (chmod bin #o755)
               (substitute* bin
                 (("wine=\"wine\"")
                  (string-append "wine=" (assoc-ref inputs "wine") "/bin/wine"))
                 (("x32") ,(match (%current-system)
                             ("x86_64-linux" "../lib32")
                             (_ "../lib")))
                 (("x64") "../lib"))))))))
    (inputs
     `(("wine" ,(match (%current-system)
                  ;; ("x86_64-linux" wine64)
                  ("x86_64-linux" wine64-staging)
                  ;; ("x86_64-linux" mingw-w64-x86_64)
                  (_ wine)))
       ,@(match (%current-system)
           ("x86_64-linux"
            `(("dxvk32" ,dxvk32)))
           (_ '()))))
    (supported-systems '("i686-linux" "x86_64-linux"))))
