nixpkgs/pkgs/development/ocaml-modules/seq/default.nix
Théo Zimmermann 10d7bfedae ocaml-ng.ocamlPackages_4_07.seq: dummy package with just a META file
Imitate opam which installs the real seq package only for OCaml < 4.07 and only a META file for OCaml >= 4.07.
2019-05-04 13:55:10 +02:00

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{ stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
stdenv.mkDerivation ({
version = "0.1";
name = "ocaml${ocaml.version}-seq-0.1";
meta = {
license = stdenv.lib.licenses.lgpl21;
maintainers = [ stdenv.lib.maintainers.vbgl ];
homepage = "https://github.com/c-cube/seq";
inherit (ocaml.meta) platforms;
};
} // (if stdenv.lib.versionOlder ocaml.version "4.07" then {
src = fetchFromGitHub {
owner = "c-cube";
repo = "seq";
rev = "0.1";
sha256 = "1cjpsc7q76yfgq9iyvswxgic4kfq2vcqdlmxjdjgd4lx87zvcwrv";
};
buildInputs = [ ocaml findlib ocamlbuild ];
createFindlibDestdir = true;
meta.description = "Compatibility package for OCamls standard iterator type starting from 4.07";
} else {
src = ./src-base;
dontBuild = true;
installPhase = ''
mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib/seq
cp META $out/lib/ocaml/${ocaml.version}/site-lib/seq
'';
meta.description = "dummy backward-compatibility package for iterators";
}))