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nixpkgs/pkgs/development/ocaml-modules/xmlm/default.nix

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Nix

{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opam }:
let
pname = "xmlm";
webpage = "http://erratique.ch/software/${pname}";
in
assert stdenv.lib.versionAtLeast ocaml.version "3.12";
stdenv.mkDerivation rec {
name = "ocaml-${pname}-${version}";
version = "1.2.0";
src = fetchurl {
url = "${webpage}/releases/${pname}-${version}.tbz";
sha256 = "1jywcrwn5z3gkgvicr004cxmdaqfmq8wh72f81jqz56iyn5024nh";
};
buildInputs = [ ocaml findlib ocamlbuild opam ];
createFindlibDestdir = true;
unpackCmd = "tar xjf $src";
buildPhase = "./pkg/build true";
installPhase = ''
opam-installer --script --prefix=$out ${pname}.install > install.sh
sh install.sh
ln -s $out/lib/${pname} $out/lib/ocaml/${ocaml.version}/site-lib/
'';
meta = with stdenv.lib; {
description = "An OCaml streaming codec to decode and encode the XML data format";
homepage = "${webpage}";
platforms = ocaml.meta.platforms or [];
maintainers = [ maintainers.vbgl ];
license = licenses.bsd3;
};
}