115 lines
3.9 KiB
Nix
115 lines
3.9 KiB
Nix
{ stdenv, lib, fetchFromGitHub, brotli, cmake, giflib, gperftools, gtest, libhwy
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, libjpeg, libpng, libwebp, gdk-pixbuf, openexr_3, pkg-config, makeWrapper, zlib
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, asciidoc, graphviz, doxygen, python3, lcms2
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, enablePlugins ? stdenv.buildPlatform.canExecute stdenv.hostPlatform }:
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let loadersPath = "${gdk-pixbuf.binaryDir}/jxl-loaders.cache";
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in stdenv.mkDerivation rec {
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pname = "libjxl";
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version = "0.9.1";
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outputs = [ "out" "dev" ];
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src = fetchFromGitHub {
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owner = "libjxl";
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repo = "libjxl";
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rev = "v${version}";
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hash = "sha256-n5KNbbw6NQRROEM7Cojla/igRCFNawUq7nfhzJlMlPI=";
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# There are various submodules in `third_party/`.
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fetchSubmodules = true;
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};
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strictDeps = true;
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nativeBuildInputs =
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[ cmake pkg-config gdk-pixbuf makeWrapper asciidoc doxygen python3 ];
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depsBuildBuild = [ graphviz ];
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# Functionality not currently provided by this package
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# that the cmake build can apparently use:
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# OpenGL/GLUT (for Examples -> comparison with sjpeg)
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# viewer (see `cmakeFlags`)
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# plugins like for GDK and GIMP (see `cmakeFlags`)
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# Vendored libraries:
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# `libjxl` currently vendors many libraries as git submodules that they
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# might patch often (e.g. test/gmock, see
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# https://github.com/NixOS/nixpkgs/pull/103160#discussion_r519487734).
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# When it has stabilised in the future, we may want to tell the build
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# to use use nixpkgs system libraries.
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# As of writing, libjxl does not point out all its dependencies
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# conclusively in its README or otherwise; they can best be determined
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# by checking the CMake output for "Could NOT find".
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buildInputs = [
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lcms2
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giflib
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gperftools # provides `libtcmalloc`
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gtest
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libjpeg
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libpng
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libwebp
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gdk-pixbuf
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openexr_3
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zlib
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];
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propagatedBuildInputs = [ brotli libhwy ];
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cmakeFlags = [
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# For C dependencies like brotli, which are dynamically linked,
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# we want to use the system libraries, so that we don't have to care about
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# installing their .so files generated by this build.
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# The other C++ dependencies are statically linked in, so there
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# using the vendorered ones is easier.
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"-DJPEGXL_FORCE_SYSTEM_BROTLI=ON"
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# Use our version of highway, though it is still statically linked in
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"-DJPEGXL_FORCE_SYSTEM_HWY=ON"
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# Use our version of gtest
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"-DJPEGXL_FORCE_SYSTEM_GTEST=ON"
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# TODO: Update this package to enable this (overridably via an option):
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# Viewer tools for evaluation.
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# "-DJPEGXL_ENABLE_VIEWERS=ON"
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] ++ lib.optionals enablePlugins [
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# Enable plugins, such as:
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# * the `gdk-pixbuf` one, which allows applications like `eog` to load jpeg-xl files
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# * the `gimp` one, which allows GIMP to load jpeg-xl files
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"-DJPEGXL_ENABLE_PLUGINS=ON"
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] ++ lib.optionals stdenv.hostPlatform.isStatic [ "-DJPEGXL_STATIC=ON" ]
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++ lib.optionals stdenv.hostPlatform.isAarch32 [ "-DJPEGXL_FORCE_NEON=ON" ];
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postPatch = ''
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substituteInPlace plugins/gdk-pixbuf/jxl.thumbnailer \
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--replace '/usr/bin/gdk-pixbuf-thumbnailer' "$out/libexec/gdk-pixbuf-thumbnailer-jxl"
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'';
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postInstall = lib.optionalString enablePlugins ''
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GDK_PIXBUF_MODULEDIR="$out/${gdk-pixbuf.moduleDir}" \
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GDK_PIXBUF_MODULE_FILE="$out/${loadersPath}" \
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gdk-pixbuf-query-loaders --update-cache
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mkdir -p "$out/bin"
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makeWrapper ${gdk-pixbuf}/bin/gdk-pixbuf-thumbnailer "$out/libexec/gdk-pixbuf-thumbnailer-jxl" \
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--set GDK_PIXBUF_MODULE_FILE "$out/${loadersPath}"
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'';
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CXXFLAGS =
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lib.optionalString stdenv.hostPlatform.isAarch32 "-mfp16-format=ieee";
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# FIXME x86_64-darwin:
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# https://github.com/NixOS/nixpkgs/pull/204030#issuecomment-1352768690
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doCheck = with stdenv; !(hostPlatform.isi686 || isDarwin && isx86_64);
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meta = with lib; {
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homepage = "https://github.com/libjxl/libjxl";
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description = "JPEG XL image format reference implementation.";
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license = licenses.bsd3;
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maintainers = with maintainers; [ nh2 ];
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platforms = platforms.all;
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};
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}
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