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

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Nix

{ stdenv, fetchurl, ocaml, findlib, opam }:
let
inherit (stdenv.lib) getVersion versionAtLeast;
pname = "uucp";
version = "1.1.0";
webpage = "http://erratique.ch/software/${pname}";
in
assert versionAtLeast (getVersion ocaml) "4.00";
stdenv.mkDerivation {
name = "ocaml-${pname}-${version}";
src = fetchurl {
url = "${webpage}/releases/${pname}-${version}.tbz";
sha256 = "1vm5f2ppdrnk19j0ppjiqz56qf5bzyk26gs0lz071s7iblk459jz";
};
buildInputs = [ ocaml findlib opam ];
createFindlibDestdir = true;
unpackCmd = "tar xjf $src";
buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true";
installPhase = ''
opam-installer --script --prefix=$out ${pname}.install | sh
ln -s $out/lib/${pname} $out/lib/ocaml/${getVersion ocaml}/site-lib/${pname}
'';
meta = with stdenv.lib; {
description = "An OCaml library providing efficient access to a selection of character properties of the Unicode character database";
homepage = "${webpage}";
platforms = ocaml.meta.platforms or [];
license = licenses.bsd3;
maintainers = [ maintainers.vbgl ];
};
}