;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2015, 2017 David Thompson ;;; Copyright © 2014 Mark H Weaver ;;; Copyright © 2015, 2017 Sou Bunnbu ;;; Copyright © 2015 Alex Kost ;;; Copyright © 2016, 2017, 2021 Efraim Flashner ;;; Copyright © 2017, 2018, 2019 Rutger Helling ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice ;;; Copyright © 2018, 2019, 2020 Ricardo Wurmus ;;; Copyright © 2019 Kei Kebreau ;;; Copyright © 2019, 2020 Nicolas Goaziou ;;; Copyright © 2019 Marius Bakke ;;; Copyright © 2019 Pierre Neidhardt ;;; Copyright © 2020 Timotej Lazar ;;; Copyright © 2020 Oleg Pykhalov ;;; ;;; 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 . (define-module (gnu packages sdl) #:use-module (ice-9 match) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (gnu packages) #:use-module ((guix licenses) #:prefix license:) #:use-module (guix packages) #:use-module (guix download) #:use-module (guix git-download) #:use-module (guix utils) #:use-module (guix build-system gnu) #:use-module (guix build-system trivial) #:use-module (gnu packages audio) #:use-module (gnu packages autotools) #:use-module (gnu packages compression) #:use-module (gnu packages fcitx) #:use-module (gnu packages fontutils) #:use-module (gnu packages freedesktop) #:use-module (gnu packages glib) #:use-module (gnu packages gtk) #:use-module (gnu packages guile) #:use-module (gnu packages ibus) #:use-module (gnu packages image) #:use-module (gnu packages linux) #:use-module (gnu packages mono) #:use-module (gnu packages mp3) #:use-module (gnu packages pkg-config) #:use-module (gnu packages pulseaudio) #:use-module (gnu packages gl) #:use-module (gnu packages xdisorg) #:use-module (gnu packages xiph) #:use-module (gnu packages xorg) #:export (sdl-union)) (define-public sdl (package (name "sdl") (version "1.2.15") (source (origin (method url-fetch) (uri (string-append "https://libsdl.org/release/SDL-" version ".tar.gz")) (sha256 (base32 "005d993xcac8236fpvd1iawkz4wqjybkpn8dbwaliqz5jfkidlyn")) (patches (search-patches "sdl-libx11-1.6.patch")))) (build-system gnu-build-system) (arguments '(;; Explicitly link against shared libraries instead of dlopening them. ;; For X11, ALSA, and PulseAudio. ;; OpenGL library is still dlopened at runtime. #:configure-flags '("--disable-alsa-shared" "--disable-pulseaudio-shared" "--disable-x11-shared" ;; Explicitly link with mesa. ;; This add mesa to libsdl's RUNPATH, to make dlopen ;; finding the libGL from mesa at runtime. "LDFLAGS=-lGL") #:make-flags '("V=1") ;build verbosely #:tests? #f)) ; no check target (propagated-inputs ;; SDL headers include X11 headers. `(("libx11" ,libx11) ("libcap" ,libcap) ; 'libSDL.la' contain `-lcap'. ;; TODO: Since building Mesa with Meson it is now necessary that Mesa is ;; a propogated input. We still need to figure out why, possibly due to a ;; change in pkg-config. ("mesa" ,mesa))) (native-inputs `(("pkg-config" ,pkg-config))) (inputs `(("libxrandr" ,libxrandr) ("glu" ,glu) ("alsa-lib" ,alsa-lib) ("pulseaudio" ,pulseaudio))) (outputs '("out" "debug")) (synopsis "Cross platform game development library") (description "Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware.") (home-page "https://libsdl.org/") (license license:lgpl2.1))) (define-public sdl2 (package (inherit sdl) (name "sdl2") (version "2.0.14") (source (origin (method url-fetch) (uri (string-append "https://libsdl.org/release/SDL2-" version ".tar.gz")) (sha256 (base32 "1g1jahknv5r4yhh1xq5sf0md20ybdw1zh1i15lry26sq39bmn8fq")))) (arguments (substitute-keyword-arguments (package-arguments sdl) ((#:configure-flags flags) `(append '("--disable-wayland-shared" "--enable-video-kmsdrm" "--disable-kmsdrm-shared") ,flags)) ((#:make-flags flags ''()) `(cons* ;; SDL dlopens libudev, so make sure it is in rpath. This overrides ;; the LDFLAG set in sdl’s configure-flags, which isn’t necessary ;; as sdl2 includes Mesa by default. (string-append "LDFLAGS=-Wl,-rpath," (assoc-ref %build-inputs "eudev") "/lib") ,flags)))) (inputs ;; SDL2 needs to be built with ibus support otherwise some systems ;; experience a bug where input events are doubled. ;; ;; For more information, see: https://dev.solus-project.com/T1721 (append `(("dbus" ,dbus) ("eudev" ,eudev) ; for discovering input devices ("fcitx" ,fcitx) ; helps with CJK input ("glib" ,glib) ("ibus" ,ibus) ("libxkbcommon" ,libxkbcommon) ("libxcursor" ,libxcursor) ; enables X11 cursor support ("wayland" ,wayland) ("wayland-protocols" ,wayland-protocols)) (package-inputs sdl))) (license license:bsd-3))) (define-public libmikmod (package (name "libmikmod") (version "3.3.11.1") (source (origin (method url-fetch) (uri (list (string-append "mirror://sourceforge/mikmod/libmikmod/" version "/libmikmod-" version ".tar.gz") ;; Older versions are sometimes moved to: (string-append "mirror://sourceforge/mikmod/" "outdated_versions/libmikmod/" version "/libmikmod-" version ".tar.gz"))) (sha256 (base32 "06bdnhb0l81srdzg6gn2v2ydhhaazza7rshrcj3q8dpqr3gn97dd")))) (build-system gnu-build-system) (arguments ;; By default, libmikmod tries to dlopen libasound etc., which won't work ;; unless the right libalsa happens to be in $LD_LIBRARY_PATH. Pass ;; '--disable-dl' to avoid that. '(#:configure-flags '("--disable-dl"))) (synopsis "Library for module sound formats") (description "MikMod is able to play a wide range of module formats, as well as digital sound files. It can take advantage of particular features of your system, such as sound redirection over the network.") (license license:lgpl2.1) (home-page "http://mikmod.sourceforge.net/"))) (define-public sdl-gfx (package (name "sdl-gfx") (version "2.0.26") (source (origin (method url-fetch) (uri (string-append "http://www.ferzkopp.net/Software/SDL_gfx-2.0/SDL_gfx-" version ".tar.gz")) (sha256 (base32 "0ijljhs0v99dj6y27hc10z6qchyp8gdp4199y6jzngy6dzxlzsvw")))) (build-system gnu-build-system) (outputs '("out" "debug")) (arguments `(,@(if (any (cute string-prefix? <> (or (%current-system) (%current-target-system))) '("x86_64" "i686")) ;; mmx is supported only on Intel processors. '() '(#:configure-flags '("--disable-mmx"))))) (propagated-inputs `(("sdl" ,sdl))) (synopsis "SDL graphics primitives library") (description "SDL_gfx provides graphics drawing primitives, rotozoom and other supporting functions for SDL.") (home-page "http://www.ferzkopp.net/joomla/software-mainmenu-14/4-ferzkopps-linux-software/19-sdlgfx") (license license:zlib))) (define-public sdl-image (package (name "sdl-image") (version "1.2.12") (source (origin (method url-fetch) (uri (string-append "https://www.libsdl.org/projects/SDL_image/release/SDL_image-" version ".tar.gz")) (sha256 (base32 "16an9slbb8ci7d89wakkmyfvp7c0cval8xw4hkg0842nhhlp540b")))) (build-system gnu-build-system) (outputs '("out" "debug")) (arguments ;; Explicitly link against shared libraries instead of dlopening them. '(#:configure-flags '("--disable-jpg-shared" "--disable-png-shared" "--disable-tif-shared" "--disable-webp-shared"))) (native-inputs `(("pkg-config" ,pkg-config))) ;; libjpeg, libpng, and libtiff are propagated inputs because the ;; SDL_image headers include the headers of these libraries. SDL is a ;; propagated input because the pkg-config file refers to SDL's pkg-config ;; file. (propagated-inputs `(("sdl" ,sdl) ("libjpeg" ,libjpeg-turbo) ("libpng" ,libpng) ("libtiff" ,libtiff) ("libwebp" ,libwebp))) (synopsis "SDL image loading library") (description "SDL_image is an image file loading library for SDL that supports the following formats: BMP, GIF, JPEG, LBM, PCX, PNG, PNM, TGA, TIFF, WEBP, XCF, XPM, and XV.") (home-page "https://www.libsdl.org/projects/SDL_image/") (license license:zlib))) (define-public sdl-mixer (package (name "sdl-mixer") (version "1.2.12") (source (origin (method url-fetch) (uri (string-append "https://www.libsdl.org/projects/SDL_mixer/release/SDL_mixer-" version ".tar.gz")) (sha256 (base32 "0alrhqgm40p4c92s26mimg9cm1y7rzr6m0p49687jxd9g6130i0n")))) (build-system gnu-build-system) (outputs '("out" "debug")) (arguments `(#:tests? #f ; No check target. #:configure-flags '("--enable-music-mp3-mad-gpl" ; Use libmad instead of smpeg. ;; Explicitly link against shared libraries instead of dlopening them. "--disable-music-flac-shared" "--disable-music-fluidsynth-shared" "--disable-music-mod-shared" "--disable-music-ogg-shared") #:phases (modify-phases %standard-phases (add-after 'unpack 'fix-fluidsynth (lambda* (#:key inputs #:allow-other-keys) (substitute* "configure" (("EXTRA_LDFLAGS -lfluidsynth") (string-append "EXTRA_LDFLAGS " "-L" (assoc-ref inputs "fluidsynth") "/lib -lfluidsynth"))) #t))))) (inputs `(("fluidsynth" ,fluidsynth) ("libflac" ,flac) ("libmad" ,libmad) ("libmikmod" ,libmikmod) ("libvorbis" ,libvorbis))) (propagated-inputs `(("sdl" ,sdl))) (synopsis "SDL multi-channel audio mixer library") (description "SDL_mixer is a multi-channel audio mixer library for SDL. It supports any number of simultaneously playing channels of 16 bit stereo audio, plus a single channel of music. Supported formats include FLAC, MOD, MIDI, Ogg Vorbis, and MP3. This package supports two MIDI backends, selectable at runtime. To use the newer @code{fluidsynth} library, install a soundfont such as @code{fluid-3} and specify it using the @code{SDL_SOUNDFONTS} environment variable. For the legacy @code{timidity} backend, install a patch set such as @code{freepats} and set the path to the configuration file with @code{TIMIDITY_CFG}.") (home-page "https://www.libsdl.org/projects/SDL_mixer/") (license license:zlib))) (define-public sdl-net (package (name "sdl-net") (version "1.2.8") (source (origin (method url-fetch) (uri (string-append "https://www.libsdl.org/projects/SDL_net/release/SDL_net-" version ".tar.gz")) (sha256 (base32 "1d5c9xqlf4s1c01gzv6cxmg0r621pq9kfgxcg3197xw4p25pljjz")))) (build-system gnu-build-system) (propagated-inputs `(("sdl" ,sdl))) (native-inputs `(("pkg-config" ,pkg-config))) (outputs '("out" "debug")) (synopsis "SDL networking library") (description "SDL_net is a small, cross-platform networking library for SDL.") (home-page "https://www.libsdl.org/projects/SDL_net/") (license license:zlib))) (define-public sdl-pango (package (name "sdl-pango") (version "0.1.2") (source (origin (method url-fetch) (uri (string-append "mirror://sourceforge/sdlpango/SDL_Pango/" version "/" "SDL_Pango-" version ".tar.gz")) (sha256 (base32 "197baw1dsg0p4pljs5k0fshbyki00r4l49m1drlpqw6ggawx6xbz")) (patches (search-patches "sdl-pango-api_additions.patch" "sdl-pango-blit_overflow.patch" "sdl-pango-fillrect_crash.patch" "sdl-pango-header-guard.patch" "sdl-pango-matrix_declarations.patch" "sdl-pango-sans-serif.patch")))) (build-system gnu-build-system) (arguments `(#:configure-flags (list "--disable-static") #:phases (modify-phases %standard-phases (add-after 'unpack 'autogen ;; Force reconfiguration because the included libtool ;; generates linking errors. (lambda _ (invoke "autoreconf" "-vif")))))) (native-inputs `(("autoconf" ,autoconf) ("automake" ,automake) ("libtool" ,libtool) ("pkg-config" ,pkg-config))) (inputs `(("fontconfig" ,fontconfig) ("freetype" ,freetype) ("glib" ,glib) ("harfbuzz" ,harfbuzz) ("pango" ,pango) ("sdl" ,sdl))) (home-page "http://sdlpango.sourceforge.net") (synopsis "Pango SDL binding") (description "This library is a wrapper around the Pango library. It allows you to use TrueType fonts to render internationalized and tagged text in SDL applications.") (license license:lgpl2.1))) (define-public sdl-ttf (package (name "sdl-ttf") (version "2.0.11.1") ;; No release tarball for 2.0.11.1, changes: ;; (source (origin (method git-fetch) (uri (git-reference (url "https://github.com/libsdl-org/SDL_ttf") (commit "e31d11a692e5b55e8e624ad766e4e44d655422c8"))) (file-name (git-file-name name version)) (sha256 (base32 "1id1cdign615wd5rq0g4ppzwclvhkwd61yb5rwvvvakkpplp3lvd")) ;; Remove bundled libraries. (modules '((guix build utils))) (snippet '(delete-file-recursively "external")))) (build-system gnu-build-system) (propagated-inputs `(("sdl" ,sdl))) (inputs `(("freetype" ,freetype) ("mesa" ,mesa))) (native-inputs `(("pkg-config" ,pkg-config))) (outputs '("out" "debug")) (synopsis "SDL TrueType font library") (description "SDL_ttf is a TrueType font rendering library for SDL.") (home-page "https://www.libsdl.org/projects/SDL_ttf/") (license license:zlib))) (define* (sdl-union #:optional (packages (list sdl sdl-gfx sdl-net sdl-ttf sdl-image sdl-mixer))) "Return 'sdl-union' package which is a union of PACKAGES. If PACKAGES are not specified, all SDL packages are used." (package (name "sdl-union") (version (package-version sdl)) (source #f) (build-system trivial-build-system) (arguments '(#:modules ((guix build union)) #:builder (begin (use-modules (ice-9 match) (guix build union)) (match %build-inputs (((names . directories) ...) (union-build (assoc-ref %outputs "out") directories) #t))))) (inputs (map (lambda (package) (list (package-name package) package)) packages)) (synopsis "Union of SDL libraries") (description "A union of SDL and its extension libraries. A union is required because sdl-config assumes that all of the headers and libraries are in the same directory.") (home-page (package-home-page sdl)) (license (package-license sdl)))) (define (propagated-inputs-with-sdl2 package) "Replace the \"sdl\" propagated input of PACKAGE with SDL2." (map (match-lambda (("sdl" _) `("sdl2" ,sdl2)) (other other)) (package-propagated-inputs package))) (define-public sdl2-gfx (package (inherit sdl-gfx) (name "sdl2-gfx") (version "1.0.4") (source (origin (method url-fetch) (uri (string-append "https://www.ferzkopp.net/Software/SDL2_gfx/SDL2_gfx-" version ".tar.gz")) (sha256 (base32 "0qk2ax7f7grlxb13ba0ll3zlm8780s7j8fmrhlpxzjgdvldf1q33")))) (propagated-inputs (propagated-inputs-with-sdl2 sdl-gfx)))) (define-public sdl2-image (package (inherit sdl-image) (name "sdl2-image") (version "2.0.5") (source (origin (method url-fetch) (uri (string-append "https://www.libsdl.org/projects/SDL_image/release/" "SDL2_image-" version ".tar.gz")) (sha256 (base32 "1l0864kas9cwpp2d32yxl81g98lx40dhbdp03dz7sbv84vhgdmdx")))) (propagated-inputs (propagated-inputs-with-sdl2 sdl-image)))) (define-public sdl2-mixer (package (inherit sdl-mixer) (name "sdl2-mixer") (version "2.0.4") (source (origin (method url-fetch) (uri (string-append "http://www.libsdl.org/projects/SDL_mixer/release/" "SDL2_mixer-" version ".tar.gz")) (modules '((guix build utils))) (snippet '(begin ;; Remove bundled libraries. (delete-file-recursively "external") #t)) (sha256 (base32 "0694vsz5bjkcdgfdra6x9fq8vpzrl8m6q96gh58df7065hw5mkxl")))) (arguments (substitute-keyword-arguments (package-arguments sdl-mixer) ((#:configure-flags flags) `(cons* "--disable-music-opus-shared" ;; These options were renamed in SDL2 mixer. Keeping the inherited ;; variants produces a harmless warning. "--disable-music-mod-modplug-shared" "--disable-music-midi-fluidsynth-shared" ,flags)))) (inputs `(("opusfile" ,opusfile) ;; The default MOD library changed in SDL2 mixer. ("libmodplug" ,libmodplug) ,@(alist-delete "libmikmod" (package-inputs sdl-mixer)))) (native-inputs `(("pkgconfig" ,pkg-config))) ; Needed to find the opus library. (propagated-inputs (propagated-inputs-with-sdl2 sdl-mixer)))) (define-public sdl2-net (package (inherit sdl-net) (name "sdl2-net") (version "2.0.1") (source (origin (method url-fetch) (uri (string-append "http://www.libsdl.org/projects/SDL_net/release/" "SDL2_net-" version ".tar.gz")) (sha256 (base32 "08cxc1bicmyk89kiks7izw1rlx5ng5n6xpy8fy0zxni3b9z8mkhm")))) (propagated-inputs (propagated-inputs-with-sdl2 sdl-net)))) (define-public sdl2-ttf (package (inherit sdl-ttf) (name "sdl2-ttf") (version "2.0.15") (source (origin (method url-fetch) (uri (string-append "https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-" version ".tar.gz")) (modules '((guix build utils))) (snippet (begin ;; Remove bundled libraries. '(delete-file-recursively "external") #t)) (sha256 (base32 "0cyd48dipc0m399qy8s03lci8b0bpiy8xlkvrm2ia7wcv0dfpv59")))) (propagated-inputs (propagated-inputs-with-sdl2 sdl-ttf)))) (define-public guile-sdl (package (name "guile-sdl") (version "0.5.3") (source (origin (method url-fetch) (uri (string-append "mirror://gnu/guile-sdl/guile-sdl-" version ".tar.lz")) (sha256 (base32 "040gyk3n3yp8i30ngdg97n3083g8b6laky2nlh10jqcyjdd550d6")))) (build-system gnu-build-system) (native-inputs `(("lzip" ,lzip) ("pkg-config" ,pkg-config) ;; Required by test suite. ("libjpeg" ,libjpeg-turbo) ("xorg-server" ,xorg-server))) (inputs `(("guile" ,guile-2.2) ("sdl-union" ,(sdl-union)))) (arguments '(#:configure-flags (list (string-append "--with-sdl-prefix=" (assoc-ref %build-inputs "sdl-union"))) #:modules ((ice-9 popen) (guix build utils) (guix build gnu-build-system)) #:parallel-build? #f ; parallel build fails #:phases (modify-phases %standard-phases (add-before 'configure 'fix-env-and-patch (lambda* (#:key inputs #:allow-other-keys) (setenv "GUILE_AUTO_COMPILE" "0") ;; SDL_image needs to dlopen libjpeg in the test suite. (setenv "LD_LIBRARY_PATH" (string-append (assoc-ref inputs "libjpeg") "/lib")) ;; Change the site directory /site/X.Y like Guile expects. (substitute* "build-aux/guile-baux/re-prefixed-site-dirs" (("\"/site\"") (let ((effective (read (open-pipe* OPEN_READ "guile" "-c" "(write (effective-version))")))) (string-append "\"/site/" effective "\"")))) ;; Skip tests that rely on sound support, which is unavailable in ;; the build environment. (substitute* "test/Makefile.in" (("HAVE_MIXER = .*$") "HAVE_MIXER = 0\n")) #t)) (add-before 'check 'start-xorg-server (lambda* (#:key inputs #:allow-other-keys) ;; The test suite requires a running X server. (system (format #f "~a/bin/Xvfb :1 &" (assoc-ref inputs "xorg-server"))) (setenv "DISPLAY" ":1") #t)) (add-before 'check 'skip-cursor-test (lambda _ ;; XXX: This test sometimes enters an endless loop, and sometimes ;; crashes with: ;; guile: xcb_io.c:147: append_pending_request: Assertion `!xcb_xlib_unknown_seq_number' failed. ;; Skip it. (substitute* "test/cursor.scm" (("\\(SDL:init .*" all) (string-append "(exit 77) ;" all "\n"))) #t))))) (synopsis "Guile interface for SDL (Simple DirectMedia Layer)") (description "Guile-SDL is a set of bindings to the Simple DirectMedia Layer (SDL). With them, Guile programmers can have easy access to graphics, sound and device input (keyboards, joysticks, mice, etc.).") (home-page "https://www.gnu.org/software/guile-sdl/") (license license:gpl3+))) (define-public guile-sdl2 (package (name "guile-sdl2") (version "0.7.0") (source (origin (method url-fetch) (uri (string-append "https://files.dthompson.us/guile-sdl2/" "guile-sdl2-" version ".tar.gz")) (sha256 (base32 "197dzkxw8nv92da56iv2r8ih5r3pr4pd5c5j2q83aqb78h4jqjl7")))) (build-system gnu-build-system) (arguments '(#:make-flags '("GUILE_AUTO_COMPILE=0"))) (native-inputs `(("guile" ,guile-3.0) ("pkg-config" ,pkg-config))) (inputs `(("sdl2" ,sdl2) ("sdl2-image" ,sdl2-image) ("sdl2-mixer" ,sdl2-mixer) ("sdl2-ttf" ,sdl2-ttf))) (synopsis "Guile bindings for SDL2") (home-page "https://dthompson.us/projects/guile-sdl2.html") (description "Guile-SDL2 provides Guile Scheme bindings for the SDL2 C shared library. The bindings are written in pure Scheme using Guile's foreign function interface.") (license license:lgpl3+))) (define-public guile2.2-sdl2 (package/inherit guile-sdl2 (name "guile2.2-sdl2") (native-inputs `(("guile" ,guile-2.2) ("pkg-config" ,pkg-config))))) (define-public guile3.0-sdl2 (deprecated-package "guile3.0-sdl2" guile-sdl2)) (define-public sdl2-cs (let ((commit "1a3556441e1394eb0b5d46aeb514b8d1090b93f8")) (package (name "sdl2-cs") (version (git-version "B1" "1" commit)) (source (origin (method git-fetch) (uri (git-reference (url "https://github.com/flibitijibibo/SDL2-CS") (commit commit))) (file-name (git-file-name name version)) (sha256 (base32 "007mzkqr9nmvfrvvhs2r6cm36lzgsww24kwshsz9c4fd97f9qk58")))) (build-system gnu-build-system) (arguments '(#:tests? #f ; No tests. #:phases (modify-phases %standard-phases (delete 'configure) (replace 'build (lambda _ (invoke "make" "release"))) (replace 'install (lambda* (#:key outputs #:allow-other-keys) (let ((out (assoc-ref outputs "out"))) (install-file "bin/Release/SDL2-CS.dll" (string-append out "/lib")) #t)))))) (native-inputs `(("mono" ,mono))) (inputs `(("sdl2" ,sdl2) ("sdl2-image" ,sdl2-image) ("sdl2-mixer" ,sdl2-mixer) ("sdl2-ttf" ,sdl2-ttf))) (home-page "https://dthompson.us/projects/guile-sdl2.html") (synopsis "C# wrapper for SDL2") (description "SDL2-CS provides C# bindings for the SDL2 C shared library. The C# wrapper was written to be used for FNA's platform support. However, this is written in a way that can be used for any general C# application.") (license license:zlib))))