{ stdenv, fetchsvn, gyp, readline, python, which }: assert readline != null; let system = stdenv.system; arch = if system == "i686-linux" then "ia32" else if system == "x86_64-linux" || system == "x86_64-darwin" then "x64" else ""; version = "3.14.5.9"; in assert arch != ""; stdenv.mkDerivation { name = "v8-${version}"; src = fetchsvn { url = "http://v8.googlecode.com/svn/tags/${version}"; sha256 = "18qp5qp5xrb6f00w01cklz358yrl54pks963f5rwvwz82d8sfyqr"; name = "v8-${version}-src"; }; patches = [ ./fix-GetLocalizedMessage-usage.patch ]; configurePhase = '' mkdir build/gyp ln -sv ${gyp}/bin/gyp build/gyp/gyp ''; nativeBuildInputs = stdenv.lib.optional (system == "i686-linux") which; buildInputs = [ readline python ]; buildFlags = [ "library=shared" "console=readline" "${arch}.release" ]; enableParallelBuilding = true; installPhase = '' mkdir -p $out/bin mkdir -p $out/lib mv -v out/${arch}.release/d8 $out/bin ${if stdenv.system == "x86_64-darwin" then "mv -v out/${arch}.release/libv8.dylib $out/lib" else "mv -v out/${arch}.release/lib.target/libv8.so $out/lib"} mv -v include $out/ ''; postFixup = if stdenv.isDarwin then '' install_name_tool -change /usr/local/lib/libv8.dylib $out/lib/libv8.dylib -change /usr/lib/libgcc_s.1.dylib ${stdenv.gcc.gcc}/lib/libgcc_s.1.dylib $out/bin/d8 install_name_tool -id $out/lib/libv8.dylib -change /usr/lib/libgcc_s.1.dylib ${stdenv.gcc.gcc}/lib/libgcc_s.1.dylib $out/lib/libv8.dylib '' else null; meta = with stdenv.lib; { description = "V8 is Google's open source JavaScript engine"; platforms = platforms.unix; license = licenses.bsd3; }; }