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ocaml-ng.ocamlPackages_4_07.seq: dummy package with just a META file

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Imitate opam which installs the real seq package only for OCaml < 4.07 and only a META file for OCaml >= 4.07.
This commit is contained in:
Théo Zimmermann 2019-04-19 14:54:27 +02:00 committed by Vincent Laporte
parent 8bc70c937b
commit 10d7bfedae
2 changed files with 32 additions and 11 deletions
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39
pkgs/development/ocaml-modules/seq/default.nix
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@ -1,13 +1,22 @@
{ stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild }: { stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
stdenv.mkDerivation rec { stdenv.mkDerivation ({
version = "0.1"; version = "0.1";
name = "ocaml${ocaml.version}-seq-${version}"; 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 { src = fetchFromGitHub {
owner = "c-cube"; owner = "c-cube";
repo = "seq"; repo = "seq";
rev = version; rev = "0.1";
sha256 = "1cjpsc7q76yfgq9iyvswxgic4kfq2vcqdlmxjdjgd4lx87zvcwrv"; sha256 = "1cjpsc7q76yfgq9iyvswxgic4kfq2vcqdlmxjdjgd4lx87zvcwrv";
}; };
@ -15,11 +24,19 @@ stdenv.mkDerivation rec {
createFindlibDestdir = true; createFindlibDestdir = true;
meta = { meta.description = "Compatibility package for OCaml’s standard iterator type starting from 4.07";
description = "Compatibility package for OCaml’s standard iterator type starting from 4.07";
license = stdenv.lib.licenses.lgpl21; } else {
maintainers = [ stdenv.lib.maintainers.vbgl ];
inherit (src.meta) homepage; src = ./src-base;
inherit (ocaml.meta) platforms;
}; 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";
}))

4
pkgs/development/ocaml-modules/seq/src-base/META Normal file
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@ -0,0 +1,4 @@
name="seq"
version="[distributed with OCaml 4.07 or above]"
description="dummy backward-compatibility package for iterators"
requires=""