anchor.diff:        inherit sha256;
       };
   
  +    CC_host = "cc";
  +    CXX_host = "c++";
  +    depsBuildBuild = [ buildPackages.stdenv.cc openssl libuv zlib ];
  +
       buildInputs = optionals stdenv.isDarwin [ CoreServices ApplicationServices ]
         ++ [ zlib libuv openssl http-parser icu ];
   
  
positive.code: { lib, stdenv, fetchurl, openssl, python, zlib, libuv, util-linux, http-parser
  , pkg-config, which
  # for `.pkgs` attribute
  , callPackage
  # Updater dependencies
  
negative.code:       "--cross-compiling"
        "--without-intl"
        "--without-snapshot"
        "--dest-cpu=${let platform = stdenv.hostPlatform; in
                      if      platform.isAarch32 then "arm"
                      else if platform.isAarch64 then "arm64"
                      else if platform.isMips32 && platform.isLittleEndian then "mipsel"
                      else if platform.isMips32 && !platform.isLittleEndian then "mips"
                      else if platform.isMips64 && platform.isLittleEndian then "mips64el"
                      else if platform.isPower && platform.is32bit then "ppc"
                      else if platform.isPower && platform.is64bit then "ppc64"
                      else if platform.isx86_64 then "x86_64"
                      else if platform.isx86_32 then "x86"
                      else if platform.isS390 && platform.is64bit then "s390x"
                      else if platform.isRiscV && platform.is64bit then "riscv64"
                      else throw "unsupported cpu ${stdenv.hostPlatform.uname.processor}"}"
      ]) ++ (optionals (isCross && isAarch32 && hasAttr "fpu" gcc) [
        "--with-arm-fpu=${gcc.fpu}"
      ]) ++ (optionals (isCross && isAarch32 && hasAttr "float-abi" gcc) [
        "--with-arm-float-abi=${gcc.float-abi}"
      ]) ++ extraConfigFlags;
  
      configurePlatforms = [];
  