{ stdenv, version, fetch, cmake, fetchpatch , enableShared ? !stdenv.hostPlatform.isStatic }: stdenv.mkDerivation { pname = "libunwind"; inherit version; src = fetch "libunwind" "0vhgcgzsb33l83qaikrkj87ypqb48mi607rccczccwiiv8ficw0q"; nativeBuildInputs = [ cmake ]; patches = [ (fetchpatch { url = "https://github.com/llvm-mirror/libunwind/commit/34a45c630d4c79af403661d267db42fbe7de1178.patch"; sha256 = "0n0pv6jvcky8pn3srhrf9x5kbnd0d2kia9xlx2g590f5q0bgwfhv"; }) (fetchpatch { url = "https://github.com/llvm-mirror/libunwind/commit/e050272d2eb57eb4e56a37b429a61df2ebb8aa3e.patch"; sha256 = "1sxyx5xnax8k713jjcxgq3jq3cpnxygs2rcdf5vfja0f2k9jzldl"; }) ]; enableParallelBuilding = true; cmakeFlags = stdenv.lib.optional (!enableShared) "-DLIBUNWIND_ENABLE_SHARED=OFF"; }