112 lines
3.9 KiB
Nix
112 lines
3.9 KiB
Nix
{ stdenv, config, libGLSupported, fetchurl, pkgconfig
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, openglSupport ? libGLSupported, libGL
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, alsaSupport ? stdenv.isLinux, alsaLib
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, x11Support ? !stdenv.isCygwin, libX11, xorgproto, libICE, libXi, libXScrnSaver, libXcursor, libXinerama, libXext, libXxf86vm, libXrandr
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, waylandSupport ? stdenv.isLinux, wayland, wayland-protocols, libxkbcommon
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, dbusSupport ? stdenv.isLinux, dbus
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, udevSupport ? false, udev
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, ibusSupport ? false, ibus
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, pulseaudioSupport ? config.pulseaudio or stdenv.isLinux, libpulseaudio
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, AudioUnit, Cocoa, CoreAudio, CoreServices, ForceFeedback, OpenGL
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, audiofile, cf-private, libiconv
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}:
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# NOTE: When editing this expression see if the same change applies to
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# SDL expression too
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with stdenv.lib;
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assert !stdenv.isDarwin -> alsaSupport || pulseaudioSupport;
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assert openglSupport -> (stdenv.isDarwin || x11Support && libGL != null);
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stdenv.mkDerivation rec {
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name = "SDL2-${version}";
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version = "2.0.9";
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src = fetchurl {
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url = "https://www.libsdl.org/release/${name}.tar.gz";
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sha256 = "1c94ndagzkdfqaa838yqg589p1nnqln8mv0hpwfhrkbfczf8cl95";
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};
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outputs = [ "out" "dev" ];
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outputBin = "dev"; # sdl-config
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patches = [ ./find-headers.patch ];
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nativeBuildInputs = [ pkgconfig ];
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propagatedBuildInputs = dlopenPropagatedBuildInputs;
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dlopenPropagatedBuildInputs = [ ]
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# Propagated for #include <GLES/gl.h> in SDL_opengles.h.
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++ optional openglSupport libGL
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# Propagated for #include <X11/Xlib.h> and <X11/Xatom.h> in SDL_syswm.h.
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++ optionals x11Support [ libX11 xorgproto ];
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dlopenBuildInputs = [ ]
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++ optional alsaSupport alsaLib
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++ optional dbusSupport dbus
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++ optional pulseaudioSupport libpulseaudio
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++ optional udevSupport udev
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++ optionals waylandSupport [ wayland wayland-protocols libxkbcommon ]
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++ optionals x11Support [ libICE libXi libXScrnSaver libXcursor libXinerama libXext libXrandr libXxf86vm ];
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buildInputs = [ audiofile libiconv ]
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++ dlopenBuildInputs
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++ optional ibusSupport ibus
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++ optionals stdenv.isDarwin [
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AudioUnit Cocoa CoreAudio CoreServices ForceFeedback OpenGL
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# Needed for NSDefaultRunLoopMode symbols.
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cf-private
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];
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enableParallelBuilding = true;
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configureFlags = [
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"--disable-oss"
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] ++ optional (!x11Support) "--without-x"
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++ optional alsaSupport "--with-alsa-prefix=${alsaLib.out}/lib"
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++ optional stdenv.isDarwin "--disable-sdltest";
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postInstall = ''
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moveToOutput lib/libSDL2main.a "$dev"
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rm $out/lib/*.a
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moveToOutput bin/sdl2-config "$dev"
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'';
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# SDL is weird in that instead of just dynamically linking with
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# libraries when you `--enable-*` (or when `configure` finds) them
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# it `dlopen`s them at runtime. In principle, this means it can
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# ignore any missing optional dependencies like alsa, pulseaudio,
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# some x11 libs, wayland, etc if they are missing on the system
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# and/or work with wide array of versions of said libraries. In
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# nixpkgs, however, we don't need any of that. Moreover, since we
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# don't have a global ld-cache we have to stuff all the propagated
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# libraries into rpath by hand or else some applications that use
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# SDL API that requires said libraries will fail to start.
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#
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# You can grep SDL sources with `grep -rE 'SDL_(NAME|.*_SYM)'` to
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# list the symbols used in this way.
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postFixup = let
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rpath = makeLibraryPath (dlopenPropagatedBuildInputs ++ dlopenBuildInputs);
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in optionalString (stdenv.hostPlatform.extensions.sharedLibrary == ".so") ''
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for lib in $out/lib/*.so* ; do
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if ! [[ -L "$lib" ]]; then
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patchelf --set-rpath "$(patchelf --print-rpath $lib):${rpath}" "$lib"
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fi
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done
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'';
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setupHook = ./setup-hook.sh;
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passthru = { inherit openglSupport; };
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meta = with stdenv.lib; {
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description = "A cross-platform multimedia library";
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homepage = http://www.libsdl.org/;
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license = licenses.zlib;
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platforms = platforms.all;
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maintainers = with maintainers; [ cpages ];
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};
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}
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