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{ stdenv
, lib
, fetchurl
, ocaml
, findlib
, ocamlbuild
, topkg
}:
lib.throwIfNot (lib.versionAtLeast ocaml.version "4.08")
"ptime is not available for OCaml ${ocaml.version}"
stdenv.mkDerivation (finalAttrs: {
version = "1.1.0";
pname = "ocaml${ocaml.version}-ptime";
src = fetchurl {
url = "https://erratique.ch/software/ptime/releases/ptime-${finalAttrs.version}.tbz";
hash = "sha256-y/WxVFT7JxBeLDNAI+HhHY+TnXF4hw9cvo7SbfcBPrE=";
};
nativeBuildInputs = [
findlib
ocaml
ocamlbuild
topkg
];
buildInputs = [
topkg
];
strictDeps = true;
inherit (topkg) buildPhase installPhase;
meta = {
description = "POSIX time for OCaml";
homepage = "https://erratique.ch/software/ptime";
license = lib.licenses.isc;
longDescription = ''
Ptime has platform independent POSIX time support in pure OCaml.
It provides a type to represent a well-defined range of POSIX timestamps
with picosecond precision, conversion with date-time values, conversion
with RFC 3339 timestamps and pretty printing to a human-readable,
locale-independent representation.
The additional Ptime_clock library provides access to a system POSIX clock
and to the system's current time zone offset.
Ptime is not a calendar library.
'';
maintainers = with lib.maintainers; [ sternenseemann ];
};
})
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