1a04bd4414
Chekseum is an OCaml library which implements ADLER-32 and CRC32C Cyclic Redundancy Check. It provides 2 implementation, the first in C and the second in OCaml. Homepage: https://github.com/mirage/checkseum
39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
{ stdenv, fetchurl, ocaml, findlib, dune, alcotest, cmdliner, fmt, optint, rresult }:
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if !stdenv.lib.versionAtLeast ocaml.version "4.03"
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then throw "checkseum is not available for OCaml ${ocaml.version}"
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else
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# The C implementation is not portable: x86 only
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let hasC = stdenv.isi686 || stdenv.isx86_64; in
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stdenv.mkDerivation rec {
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version = "0.0.3";
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name = "ocaml${ocaml.version}-checkseum-${version}";
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src = fetchurl {
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url = "https://github.com/mirage/checkseum/releases/download/v0.0.3/checkseum-v0.0.3.tbz";
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sha256 = "12j45zsvil1ynwx1x8fbddhqacc8r1zf7f6h576y3f3yvbg7l1fm";
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};
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postPatch = stdenv.lib.optionalString (!hasC) ''
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rm -r bin src-c
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'';
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buildInputs = [ ocaml findlib dune alcotest cmdliner fmt rresult ];
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propagatedBuildInputs = [ optint ];
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buildPhase = "dune build";
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doCheck = hasC;
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checkPhase = "dune runtest";
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inherit (dune) installPhase;
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meta = {
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homepage = "https://github.com/mirage/checkseum";
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description = "ADLER-32 and CRC32C Cyclic Redundancy Check";
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license = stdenv.lib.licenses.mit;
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maintainers = [ stdenv.lib.maintainers.vbgl ];
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inherit (ocaml.meta) platforms;
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};
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}
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