{ stdenv, lib, fetchurl, gyp, readline, python, which, icu, utillinux, cctools }: assert readline != null; let arch = if stdenv.isAarch32 then (if stdenv.is64bit then "arm64" else "arm") else (if stdenv.is64bit then "x64" else "ia32"); armHardFloat = stdenv.isAarch32 && (stdenv.platform.gcc.float or null) == "hard"; in stdenv.mkDerivation rec { name = "v8-${version}"; version = "3.16.14.11"; src = fetchurl { url = "https://commondatastorage.googleapis.com/chromium-browser-official/" + "${name}.tar.bz2"; sha256 = "1gpf2xvhxfs5ll3m2jlslsx9jfjbmrbz55iq362plflrvf8mbxhj"; }; postPatch = '' sed -i 's/-Werror//' build/standalone.gypi build/common.gypi ''; configurePhase = stdenv.lib.optionalString stdenv.isDarwin '' export GYP_DEFINES="mac_deployment_target=$MACOSX_DEPLOYMENT_TARGET" '' + '' PYTHONPATH="tools/generate_shim_headers:$PYTHONPATH" \ ${gyp}/bin/gyp \ -f make \ --generator-output="out" \ -Dflock_index=0 \ -Dv8_enable_i18n_support=1 \ -Duse_system_icu=1 \ -Dconsole=readline \ -Dcomponent=shared_library \ -Dv8_target_arch=${arch} \ ${lib.optionalString armHardFloat "-Dv8_use_arm_eabi_hardfloat=true"} \ --depth=. -Ibuild/standalone.gypi \ build/all.gyp '' + stdenv.lib.optionalString stdenv.isDarwin '' sed -i 's@/usr/bin/env python@${python}/bin/python@g' out/gyp-mac-tool ''; nativeBuildInputs = [ which ]; buildInputs = [ readline python icu ] ++ lib.optional stdenv.isLinux utillinux ++ lib.optional stdenv.isDarwin cctools; NIX_CFLAGS_COMPILE = "-Wno-error -w"; buildFlags = [ "-C out" "builddir=$(CURDIR)/Release" "BUILDTYPE=Release" ]; enableParallelBuilding = true; installPhase = '' install -vD out/Release/d8 "$out/bin/d8" ${if stdenv.isDarwin then '' install -vD out/Release/libv8.dylib "$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 $out/bin/d8 install_name_tool -id $out/lib/libv8.dylib $out/lib/libv8.dylib '' else null; meta = with stdenv.lib; { description = "V8 is Google's open source JavaScript engine"; platforms = platforms.linux ++ platforms.darwin; license = licenses.bsd3; }; }