ocamlPackages.stdcompat: 19 -> 21.1

buildDunePackage rec {

  pname = "stdcompat";

  version = "19";

  version = "21.1";

  minimalOCamlVersion = "4.06";

  minimalOCamlVersion = "4.11";

  src = fetchurl {

    url = "https://github.com/thierry-martinez/stdcompat/releases/download/v${version}/stdcompat-${version}.tar.gz";

    sha256 = "sha256-DKQGd4nnIN6SPls6hcA/2Jvc7ivYNpeMU6rYsVc1ClU=";

    url = "https://github.com/ocamllibs/stdcompat/archive/refs/tags/${version}.tar.gz";

    sha256 = "sha256-RSJ9AgUEmt23QZCk60ETIXmkJhG7knQe+s8wNxxIHm4=";

  };

  # Otherwise ./configure script will run and create files conflicting with dune.

  dontConfigure = true;

  meta = {

    homepage = "https://github.com/thierry-martinez/stdcompat";

    homepage = "https://github.com/ocamllibs/stdcompat";

    license = lib.licenses.bsd2;

    maintainers = [ lib.maintainers.vbgl ];

    broken = lib.versionAtLeast ocaml.version "5.2";

    broken = lib.versionAtLeast ocaml.version "5.4";

  };

}