nixpkgs/pkgs/development/libraries/SDL2/default.nix

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{ stdenv, lib, fetchurl, pkgconfig, audiofile
, openglSupport ? false, libGL
, alsaSupport ? true, alsaLib
, x11Support ? true, libICE, libXi, libXScrnSaver, libXcursor, libXinerama, libXext, libXxf86vm, libXrandr
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, waylandSupport ? true, wayland, wayland-protocols, libxkbcommon
, dbusSupport ? false, dbus
, udevSupport ? false, udev
, ibusSupport ? false, ibus
, pulseaudioSupport ? true, libpulseaudio
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, AudioUnit, Cocoa, CoreAudio, CoreServices, ForceFeedback, OpenGL
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, libiconv
}:
# NOTE: When editing this expression see if the same change applies to
# SDL expression too
with lib;
assert !stdenv.isDarwin -> alsaSupport || pulseaudioSupport;
assert openglSupport -> (stdenv.isDarwin || x11Support && libGL != null);
stdenv.mkDerivation rec {
name = "SDL2-${version}";
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version = "2.0.8";
src = fetchurl {
url = "https://www.libsdl.org/release/${name}.tar.gz";
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sha256 = "1v4js1gkr75hzbxzhwzzif0sf9g07234sd23x1vdaqc661bprizd";
};
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outputs = [ "out" "dev" ];
outputBin = "dev"; # sdl-config
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patches = [ ./find-headers.patch ];
nativeBuildInputs = [ pkgconfig ];
propagatedBuildInputs = [ libiconv ]
++ optional dbusSupport dbus
++ optional udevSupport udev
++ optionals x11Support [ libICE libXi libXScrnSaver libXcursor libXinerama libXext libXrandr libXxf86vm ]
++ optionals waylandSupport [ wayland wayland-protocols libxkbcommon ]
++ optional alsaSupport alsaLib
++ optional pulseaudioSupport libpulseaudio;
buildInputs = [ audiofile ]
++ optional openglSupport libGL
++ optional ibusSupport ibus
++ optionals stdenv.isDarwin [ AudioUnit Cocoa CoreAudio CoreServices ForceFeedback OpenGL ];
# /build/SDL2-2.0.7/src/video/wayland/SDL_waylandevents.c:41:10: fatal error:
# pointer-constraints-unstable-v1-client-protocol.h: No such file or directory
enableParallelBuilding = false;
configureFlags = [
"--disable-oss"
] ++ optional (!x11Support) "--without-x"
++ optional alsaSupport "--with-alsa-prefix=${alsaLib.out}/lib"
++ optional stdenv.isDarwin "--disable-sdltest";
postInstall = ''
moveToOutput lib/libSDL2main.a "$dev"
rm $out/lib/*.a
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moveToOutput bin/sdl2-config "$dev"
'';
# SDL is weird in that instead of just dynamically linking with
# libraries when you `--enable-*` (or when `configure` finds) them
# it `dlopen`s them at runtime. In principle, this means it can
# ignore any missing optional dependencies like alsa, pulseaudio,
# some x11 libs, wayland, etc if they are missing on the system
# and/or work with wide array of versions of said libraries. In
# nixpkgs, however, we don't need any of that. Moreover, since we
# don't have a global ld-cache we have to stuff all the propagated
# libraries into rpath by hand or else some applications that use
# SDL API that requires said libraries will fail to start.
#
# You can grep SDL sources with `grep -rE 'SDL_(NAME|.*_SYM)'` to
# confirm that they actually use most of the `propagatedBuildInputs`
# from above in this way. This is pretty weird.
postFixup = ''
for lib in $out/lib/*.so* ; do
if [[ -L "$lib" ]]; then
patchelf --set-rpath "$(patchelf --print-rpath $lib):${lib.makeLibraryPath propagatedBuildInputs}" "$lib"
fi
done
'';
setupHook = ./setup-hook.sh;
passthru = { inherit openglSupport; };
meta = with stdenv.lib; {
description = "A cross-platform multimedia library";
homepage = http://www.libsdl.org/;
license = licenses.zlib;
platforms = platforms.all;
maintainers = with maintainers; [ cpages ];
};
}