diff --git a/pkgs/development/ocaml-modules/tyxml/default.nix b/pkgs/development/ocaml-modules/tyxml/default.nix index a965d6ed116..b34c9279c30 100644 --- a/pkgs/development/ocaml-modules/tyxml/default.nix +++ b/pkgs/development/ocaml-modules/tyxml/default.nix @@ -1,4 +1,6 @@ -{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, camlp4, uutf, markup, ppx_tools_versioned, re +{ stdenv, fetchzip, ocaml, findlib, ocamlbuild, uutf, markup, ppx_tools_versioned, re +, withP4 ? !stdenv.lib.versionAtLeast ocaml.version "4.07" +, camlp4 ? null }: assert stdenv.lib.versionAtLeast ocaml.version "4.02"; @@ -13,13 +15,14 @@ stdenv.mkDerivation rec { sha256 = "1zrkrmxyj5a2cdh4b9zr9anwfk320wv3x0ynxnyxl5za2ix8sld8"; }; - buildInputs = [ ocaml findlib ocamlbuild camlp4 ppx_tools_versioned markup ]; + buildInputs = [ ocaml findlib ocamlbuild ppx_tools_versioned markup ] + ++ stdenv.lib.optional withP4 camlp4; propagatedBuildInputs = [ uutf re ]; createFindlibDestdir = true; - configureFlags = "--enable-syntax"; + configureFlags = stdenv.lib.optional withP4 "--enable-syntax"; meta = with stdenv.lib; { homepage = http://ocsigen.org/tyxml/;