cudaPackages: move .pc to hook-defined location

  redistribRelease,

  # See ./modules/generic/manifests/feature/release.nix

  featureRelease,

  cudaMajorMinorVersion,

}:

let

  inherit (lib)

    outputToPatterns = {

      bin = [ "bin" ];

      dev = [

        "share/pkg-config"

        "share/pkgconfig"

        "**/*.pc"

        "**/*.cmake"

      ];

      inherit (redistribRelease.${redistArch}) sha256;

    };

    # Handle the pkg-config files:

    # 1. No FHS

    # 2. Location expected by the pkg-config wrapper

    # 3. Generate unversioned names too

    postPatch = ''

      if [[ -d pkg-config ]] ; then

        mkdir -p share/pkg-config

        mv pkg-config/* share/pkg-config/

        rmdir pkg-config

      fi

      for path in pkg-config pkgconfig ; do

        [[ -d "$path" ]] || continue

        mkdir -p share/pkgconfig

        mv "$path"/* share/pkgconfig/

        rmdir "$path"

      done

      for pc in share/pkg-config/*.pc ; do

      for pc in share/pkgconfig/*.pc ; do

        sed -i \

          -e "s|^cudaroot\s*=.*\$|cudaroot=''${!outputDev}|" \

          -e "s|^libdir\s*=.*/lib\$|libdir=''${!outputLib}/lib|" \

          -e "s|^includedir\s*=.*/include\$|includedir=''${!outputDev}/include|" \

          "$pc"

      done

      # E.g. cuda-11.8.pc -> cuda.pc

      for pc in share/pkgconfig/*-"$majorMinorVersion.pc" ; do

        ln -s "$(basename "$pc")" "''${pc%-$majorMinorVersion.pc}".pc

      done

    '';

    env.majorMinorVersion = cudaMajorMinorVersion;

    # We do need some other phases, like configurePhase, so the multiple-output setup hook works.

    dontBuild = true;