{
  lib,
  stdenv,
  buildPackages,
  newScope,
  overrideCC,
  crossLibcStdenv,
  libcCross,
}:

lib.makeScope newScope (
  self: with self; {

    cygwinSetup = callPackage ./cygwin-setup { };

    dlfcn = callPackage ./dlfcn { };

    w32api = callPackage ./w32api { };

    mingwrt = callPackage ./mingwrt { };
    mingw_runtime = mingwrt;

    mingw_w64 = callPackage ./mingw-w64 { stdenv = crossLibcStdenv; };

    # FIXME untested with llvmPackages_16 was using llvmPackages_8
    crossThreadsStdenv = overrideCC crossLibcStdenv (
      if stdenv.hostPlatform.useLLVM or false then
        buildPackages.llvmPackages.clangNoLibcxx
      else
        buildPackages.gccWithoutTargetLibc.override (old: {
          bintools = old.bintools.override { libc = libcCross; };
          libc = libcCross;
        })
    );

    mingw_w64_headers = callPackage ./mingw-w64/headers.nix { };

    mingw_w64_pthreads = callPackage ./mingw-w64/pthreads.nix { stdenv = crossThreadsStdenv; };

    mcfgthreads_pre_gcc_13 = callPackage ./mcfgthreads/pre_gcc_13.nix { stdenv = crossThreadsStdenv; };

    mcfgthreads = callPackage ./mcfgthreads { stdenv = crossThreadsStdenv; };

    npiperelay = callPackage ./npiperelay { };

    pthreads = callPackage ./pthread-w32 { };

    libgnurx = callPackage ./libgnurx { };
  }
)