{ lib, stdenv, version, fetch, libcxx, llvm, cmake , enableShared ? !stdenv.hostPlatform.isStatic }: stdenv.mkDerivation rec { pname = "libunwind"; inherit version; src = fetch pname "0kaq75ygzv9dqfsx27pi5a0clipdjq6a9vghhb89d8k1rf20lslh"; postUnpack = '' unpackFile ${libcxx.src} mv libcxx-* libcxx unpackFile ${llvm.src} mv llvm-* llvm ''; nativeBuildInputs = [ cmake ]; cmakeFlags = lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF"; }