nixpkgs/pkgs/development/compilers/llvm/11/libunwind/default.nix

{ lib, stdenv, version, fetch, cmake, fetchpatch
, enableShared ? !stdenv.hostPlatform.isStatic
}:

stdenv.mkDerivation rec {
  pname = "libunwind";
  inherit version;

  src = fetch pname "1vpqs2c358v8fbr1r8jmzkfqk12jllimjcfmgxga127ksq9b37nj";

  nativeBuildInputs = [ cmake ];

  cmakeFlags = lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF";
}