osrm-builder/osrm.nix at main · nammayatri/osrm-builder · GitHub

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{ inputs, ... }:

let
  openStreetDataFileName = "india-latest";
  carLuaPath = ./car.lua; # Adjust this path as needed
  speedDataPath = ./speed-data.csv;
  indiaSpeedDataFileName = "india-latest-speed-data";
in
{
  perSystem = { self', pkgs, lib, ... }: {
    packages =
      rec {
        patched-osrm-backend = pkgs.stdenv.mkDerivation {
          name = "patched-osrm-backend";
          src = inputs.osrm-backend;
          buildInputs = [
            pkgs.cmake
            pkgs.boost
            pkgs.tbb_2021_8 # Use TBB 2021.8 explicitly
            pkgs.expat
            pkgs.bzip2
            pkgs.libzip
            pkgs.pkg-config
            pkgs.lua5_2
          ];

          phases = [ "unpackPhase" "buildPhase" "installPhase" ];
          buildPhase = ''
            mkdir build
            cd build
            cmake .. \
              -DENABLE_MASON=ON \
              -DENABLE_IPO=OFF \
              -DTBB_ROOT=${pkgs.tbb_2021_8} \
              -DCMAKE_PREFIX_PATH="${pkgs.boost};${pkgs.tbb_2021_8};${pkgs.expat};${pkgs.bzip2};${pkgs.lua5_2}" \
              -DCMAKE_CXX_STANDARD=20 \
              -DCMAKE_CXX_FLAGS="-std=c++20 -Wno-error=array-bounds -fpermissive" \
              -DCMAKE_INSTALL_PREFIX=$out
            make
          '';
          installPhase = ''
            mkdir -p $out/bin $out/profiles
            cp osrm-* $out/bin/

            cp -r ../profiles/* $out/profiles/

            cp ${carLuaPath} $out/profiles/car.lua
          '';
        };
      };
  };
}