ninja: Entering directory `out/Default'
ninja: error: '../../native_client/toolchain/mac_x86/pnacl_newlib/bin/x86_64-nacl-objcopy', needed by 'irt_x64/obj/ppapi/native_client/nacl_irt_debuglink.inputdeps.stamp', missing and no known rule to make it
ninja -C out/Default chrome
gclient sync