anchor.diff:      "--with-mysql-includes=${lib.getDev libmysqlclient}/include/mysql"
       "--with-mysql-libs=${libmysqlclient}/lib/mysql"
       "--with-blas"
  -    "--with-liblas=${libLAS}/bin/liblas-config"
       "--with-zstd"
       "--with-fftw"
       "--with-pthread"
  
positive.code: { lib, stdenv, fetchFromGitHub, flex, bison, pkg-config, zlib, libtiff, libpng, fftw
  , cairo, readline, ffmpeg, makeWrapper, wxGTK31, wxmac, netcdf, blas
  , proj, gdal, geos, sqlite, postgresql, libmysqlclient, python3Packages, libLAS, proj-datumgrid
  , zstd, pdal, wrapGAppsHook
  }:
  
  
negative.code:     sha256 = "sha256-VK9FCqIwHGmeJe5lk12lpAGcsC1aPRBiI+XjACXjDd4=";
    };
  
    nativeBuildInputs = [
      pkg-config bison flex makeWrapper wrapGAppsHook
      gdal geos libmysqlclient netcdf pdal
    ] ++ (with python3Packages; [ python-dateutil numpy wxPython_4_1 ]);
  
    buildInputs = [
      cairo zlib proj libtiff libpng fftw sqlite
      readline ffmpeg postgresql blas wxGTK32
      proj-datumgrid zstd
    ] ++ lib.optionals stdenv.isDarwin [ libiconv ];
  
    strictDeps = true;
  
    # On Darwin the installer tries to symlink the help files into a system
    # directory
  