depot/third_party/nixpkgs/pkgs/development/compilers/chez/default.nix

{ lib, stdenv, fetchurl
, coreutils, cctools
, ncurses, libiconv, libX11, libuuid, testers
}:

stdenv.mkDerivation (finalAttrs: {
  pname = "chez-scheme";
  version = "10.0.0";

  src = fetchurl {
    url = "https://github.com/cisco/ChezScheme/releases/download/v${finalAttrs.version}/csv${finalAttrs.version}.tar.gz";
    hash = "sha256-03GZASte0ZhcQGnWqH/xjl4fWi3yfkApkfr0XcTyIyw=";
  };

  nativeBuildInputs = lib.optional stdenv.isDarwin cctools;
  buildInputs = [ ncurses libiconv libX11 libuuid ];

  enableParallelBuilding = true;

  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isGNU "-Wno-error=format-truncation";

  /*
  ** We patch out a very annoying 'feature' in ./configure, which
  ** tries to use 'git' to update submodules.
  **
  ** We have to also fix a few occurrences to tools with absolute
  ** paths in some helper scripts, otherwise the build will fail on
  ** NixOS or in any chroot build.
  */
  patchPhase = ''
    substituteInPlace ./makefiles/installsh \
      --replace-warn "/usr/bin/true" "${coreutils}/bin/true"

    substituteInPlace zlib/configure \
      --replace-warn "/usr/bin/libtool" libtool
  '';

  /*
  ** Don't use configureFlags, since that just implicitly appends
  ** everything onto a --prefix flag, which ./configure gets very angry
  ** about.
  **
  ** Also, carefully set a manual workarea argument, so that we
  ** can later easily find the machine type that we built Chez
  ** for.
  */
  configurePhase = ''
    ./configure --as-is --threads --installprefix=$out --installman=$out/share/man
  '';

  /*
  ** Clean up some of the examples from the build output.
  */
  postInstall = ''
    rm -rf $out/lib/csv${finalAttrs.version}/examples
  '';

  setupHook = ./setup-hook.sh;

  passthru.tests = {
    version = testers.testVersion {
      package = finalAttrs.finalPackage;
    };
  };

  meta = {
    description  = "A powerful and incredibly fast R6RS Scheme compiler";
    homepage     = "https://cisco.github.io/ChezScheme/";
    license      = lib.licenses.asl20;
    maintainers  = with lib.maintainers; [ thoughtpolice ];
    platforms    = lib.platforms.unix;
    mainProgram  = "scheme";
  };
})