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

{ stdenv, version, fetch, cmake, fetchpatch, enableShared ? true }:

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

  src = fetch pname "0qras7ls393pc8zmm4qkpw0vkarkf5i5281s9pfbnc90dmnv4x69";

  nativeBuildInputs = [ cmake ];

  enableParallelBuilding = true;

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