{ stdenv, fetchurl, gyp, readline, python, which, icu }: assert readline != null; let arch = if stdenv.is64bit then "x64" else "ia32"; in stdenv.mkDerivation rec { name = "v8-${version}"; version = "3.26.31.15"; src = fetchurl { url = "https://commondatastorage.googleapis.com/chromium-browser-official/" + "${name}.tar.bz2"; sha256 = "067pk6hr7wjx7yxhla5la0rnv51kf7837kfydzydjwapsbcx6m8l"; }; patchPhase = '' sed -i 's,#!/usr/bin/env python,#!${python}/bin/python,' build/gyp_v8 ''; configurePhase = '' PYTHONPATH="tools/generate_shim_headers:$PYTHONPATH" \ PYTHONPATH="$(toPythonPath ${gyp}):$PYTHONPATH" \ build/gyp_v8 \ -f make \ --generator-output="out" \ -Dflock_index=0 \ -Dv8_enable_i18n_support=1 \ -Duse_system_icu=1 \ -Dconsole=readline \ -Dcomponent=shared_library \ -Dv8_target_arch=${arch} ''; nativeBuildInputs = [ which ]; buildInputs = [ readline python icu ]; buildFlags = [ "LINK=g++" "-C out" "builddir=$(CURDIR)/Release" "BUILDTYPE=Release" ]; enableParallelBuilding = true; installPhase = '' install -vD out/Release/d8 "$out/bin/d8" ${if stdenv.system == "x86_64-darwin" then '' install -vD out/Release/lib.target/libv8.dylib "$out/lib/libv8.dylib" '' else '' install -vD out/Release/lib.target/libv8.so "$out/lib/libv8.so" ''} cp -vr include "$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 = "Google's open source JavaScript engine"; platforms = with platforms; linux ++ darwin; license = licenses.bsd3; }; }