default.nix

 with import <nixpkgs> {};
 
let 
   doxygen = pkgs.doxygen.overrideAttrs (attrs: {
     name = "doxygen-1.8.13";
     buildInputs = attrs.buildInputs ++ [ pkgs.sqlite ];
     cmakeFlags = [
       "-DSQLITE3_INCLUDE_DIR=${sqlite.dev}/include" "-Duse_sqlite3=ON"
     ] ++ attrs.cmakeFlags;
     });
in stdenv.mkDerivation {
   name = "env";
   buildInputs = [doxygen pkgs.python36 pkgs.python36Packages.pip pkgs.python36Packages.virtualenv ];
   shellHook = ''
     virtualenv --no-setuptools venv > /dev/null
     export PATH=$PWD/venv/bin:$PATH > /dev/null
     pip install pcpp
   '';
}