nextpnr-xilinx: init at 0.8.2-unstable-2026-02-25

{

  lib,

  stdenv,

  fetchFromGitHub,

  cmake,

  gitMinimal,

  nix-update-script,

  python312,

  python312Packages,

  eigen,

  llvmPackages,

}:

let

  prjxrayDb = fetchFromGitHub {

    owner = "openxc7";

    repo = "prjxray-db";

    rev = "381966a746cb4cf4a7f854f0e53caa3bf74fbe62";

    hash = "sha256-tQ1KfYj6kQq3fKBv6PAsqxm9btMNWFd5fT9UzOGMlkE=";

  };

  nextpnrXilinxMeta = fetchFromGitHub {

    owner = "openxc7";

    repo = "nextpnr-xilinx-meta";

    rev = "491aefcc15be159efc8ad8bff2a1a4b93fe487fe";

    hash = "sha256-oRVFPzdw9ctzT6iQ8YI3Q92LZTIlRPBZvJVjMqvDJQE=";

  };

in

stdenv.mkDerivation (finalAttrs: {

  pname = "nextpnr-xilinx";

  version = "0.8.2-unstable-2026-02-25";

  src = fetchFromGitHub {

    owner = "openXC7";

    repo = "nextpnr-xilinx";

    rev = "72d8217b80cafed22cbac1253a2f23ca1ee10806";

    hash = "sha256-YIwJfh6epUDGfWwHS0zjfcrx5A68NUY6gxyuEBb0g3A=";

  };

  nativeBuildInputs = [

    cmake

    gitMinimal

    python312

  ];

  buildInputs = [

    # Newer python fails with 'No version of Boost::Python 3.x could be found'

    python312Packages.boost

    python312

    eigen

  ]

  ++ (lib.optional stdenv.cc.isClang llvmPackages.openmp);

  cmakeFlags = [

    "-DCURRENT_GIT_VERSION=${lib.substring 0 7 finalAttrs.src.rev}"

    "-DARCH=xilinx"

    "-DBUILD_GUI=OFF"

    "-DBUILD_TESTS=OFF"

    "-DUSE_OPENMP=ON"

  ];

  postPatch = ''

    # Boost.System is header-only in modern Boost; requiring the component fails

    # with CMake's FindBoost in nixpkgs.

    substituteInPlace CMakeLists.txt \

      --replace-fail "set(boost_libs filesystem thread program_options iostreams system)" \

                     "set(boost_libs filesystem thread program_options iostreams)"

    # GCC 15 requires explicit <cstdint> include for uint8_t in vendored json11.

    substituteInPlace 3rdparty/json11/json11.cpp \

      --replace-fail "#include <climits>" $'#include <climits>\n#include <cstdint>'

    rm -rf xilinx/external/prjxray-db xilinx/external/nextpnr-xilinx-meta

    ln -s ${prjxrayDb} xilinx/external/prjxray-db

    ln -s ${nextpnrXilinxMeta} xilinx/external/nextpnr-xilinx-meta

  '';

  installPhase = ''

    runHook preInstall

    mkdir -p $out/bin

    cp nextpnr-xilinx bbasm $out/bin/

    mkdir -p $out/share/nextpnr/external

    ln -s ${prjxrayDb} $out/share/nextpnr/external/prjxray-db

    cp -r ../xilinx/external/nextpnr-xilinx-meta $out/share/nextpnr/external/

    cp -r ../xilinx/python $out/share/nextpnr/

    cp ../xilinx/constids.inc $out/share/nextpnr/

    runHook postInstall

  '';

  strictDeps = true;

  passthru.updateScript = nix-update-script {

    extraArgs = [ "--version=branch" ];

  };

  meta = {

    description = "Place and route tool for Xilinx 7-series FPGAs";

    homepage = "https://github.com/openXC7/nextpnr-xilinx";

    license = lib.licenses.isc;

    mainProgram = "nextpnr-xilinx";

    maintainers = with lib.maintainers; [ rcoeurjoly ];

    platforms = lib.platforms.unix;

  };

})