libblocksruntime: unstable-2014-06-24 -> unstable-2017-10-28 and modernize (#346913)

{ lib, stdenv, fetchFromGitHub, clang }:

{

  lib,

  stdenv,

  fetchFromGitHub,

}:

stdenv.mkDerivation {

  pname = "blocksruntime";

  version = "unstable-2014-06-24";

  version = "unstable-2017-10-28";

  src = fetchFromGitHub {

    owner = "mackyle";

    repo = "blocksruntime";

    rev = "b5c5274daf1e0e46ecc9ad8f6f69889bce0a0a5d";

    sha256 = "0ic4lagagkylcvwgf10mg0s1i57h4i25ds2fzvms22xj4zwzk1sd";

    rev = "9cc93ae2b58676c23fd02cf0c686fa15b7a3ff81";

    sha256 = "sha256-pQMNZBgkF4uADOVCWXB5J3qQt8JMe8vo6ZmbtSVA5Xo=";

  };

  buildInputs = [ clang ];

  configurePhase = ''

    export CC=clang

    export CXX=clang++

  buildPhase = ''

    runHook preBuild

    ./buildlib ${lib.optionalString (!stdenv.hostPlatform.isStatic) "-shared"}

    runHook postBuild

  '';

  buildPhase = "./buildlib";

  installPhase = ''

    runHook preInstall

    prefix="/" DESTDIR=$out ./installlib ${

      if stdenv.hostPlatform.isStatic then "-static" else "-shared"

    }

    runHook postInstall

  '';

  checkPhase = "./checktests";

  checkPhase = ''

    runHook preCheck

    ./checktests

    runHook postChck

  '';

  doCheck = false; # hasdescriptor.c test fails, hrm.

  installPhase = ''prefix="/" DESTDIR=$out ./installlib'';

  meta = with lib; {

    description = "Installs the BlocksRuntime library from the compiler-rt";

    homepage = "https://github.com/mackyle/blocksruntime";