gforth: override swig, not swig3 (#341230)

{ swig3, fetchFromGitHub }:

{

  swig,

  pcre,

  fetchFromGitHub,

}:

## for updating to swig4, see

## https://github.com/GeraldWodni/swig/pull/6

swig3.overrideDerivation (old: {

(swig.overrideAttrs (old: {

  version = "3.0.9-forth";

  src = fetchFromGitHub {

    owner = "GeraldWodni";

    rev = "a45b807e5f9d8ca1a43649c8265d2741a393862a";

    sha256 = "sha256-6nOOPFGFNaQInEkul0ZAh+ks9n3wqCQ6/tbduvG/To0=";

  };

  configureFlags = old.configureFlags ++ [

    "--enable-forth"

  ];

})

  configureFlags = old.configureFlags ++ [ "--enable-forth" ];

})).override

  { pcre2 = pcre; }