{ stdenvNoCC, buildPackages, MacOSX-SDK }: stdenvNoCC.mkDerivation { pname = "libunwind"; version = MacOSX-SDK.version; dontUnpack = true; dontBuild = true; nativeBuildInputs = [ buildPackages.darwin.checkReexportsHook ]; installPhase = '' mkdir -p $out/include/mach-o cp \ ${MacOSX-SDK}/usr/include/libunwind.h \ ${MacOSX-SDK}/usr/include/unwind.h \ $out/include cp \ ${MacOSX-SDK}/usr/include/mach-o/compact_unwind_encoding.h \ $out/include/mach-o ''; }