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{
stdenv,
lib,
asciidoc,
brotli,
cmake,
fetchFromGitHub,
giflib,
gtest,
lcms2,
libjpeg,
libhwy,
libpng,
ninja,
openexr,
pkg-config,
python3Minimal,
unstableGitUpdater,
}:
stdenv.mkDerivation {
pname = "jpegli";
version = "0-unstable-2026-04-30";
src = fetchFromGitHub {
owner = "google";
repo = "jpegli";
rev = "7a57896e68a8ab861ded9857b2d3a402868d3d9e";
hash = "sha256-lnmLS4ueQhPLUfIY0G+FhqsHpn9aFDDtHVQg6+TIkbQ=";
fetchSubmodules = true;
};
outputs = [
"out"
"bin"
"dev"
"man"
"benchmark"
];
strictDeps = true;
nativeBuildInputs = [
asciidoc
cmake
ninja
pkg-config
python3Minimal
];
buildInputs = [
brotli
giflib
gtest
lcms2
libhwy
libjpeg
libpng
openexr
];
cmakeFlags = [
(lib.cmakeBool "JPEGXL_ENABLE_JPEGLI_LIBJPEG" false)
(lib.cmakeBool "JPEGXL_BUNDLE_LIBPNG" false)
(lib.cmakeBool "JPEGXL_FORCE_SYSTEM_BROTLI" true)
(lib.cmakeBool "JPEGXL_FORCE_SYSTEM_GTEST" true)
(lib.cmakeBool "JPEGXL_FORCE_SYSTEM_LCMS2" true)
(lib.cmakeBool "JPEGXL_FORCE_SYSTEM_HWY" true)
# Enable hardware-dependent optimizations
(lib.cmakeBool "JPEGXL_ENABLE_SIZELESS_VECTORS" true)
(lib.cmakeBool "JPEGXL_ENABLE_AVX512" true)
(lib.cmakeBool "JPEGXL_ENABLE_AVX512_SPR" true)
(lib.cmakeBool "JPEGXL_ENABLE_AVX512_ZEN4" true)
(lib.cmakeFeature "CMAKE_POLICY_VERSION_MINIMUM" "3.5")
];
# Move `benchmark_xl` into a separate output to avoid a file collision
# with the `benchmark_xl` binary provided by `libjxl`.
postInstall = ''
moveToOutput "bin/benchmark_xl" "$benchmark"
'';
doCheck = true;
passthru = {
updateScript = unstableGitUpdater { hardcodeZeroVersion = true; };
};
meta = {
description = "Improved JPEG encoder and decoder implementation";
homepage = "https://github.com/google/jpegli";
license = lib.licenses.bsd3;
platforms = lib.platforms.all;
maintainers = with lib.maintainers; [
jwillikers
leiserfg
];
mainProgram = "cjpegli";
};
}
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