+Benedikt Meurer <bmeu...@chromium.org> who made these changes and might
have an opinion.


On Sun, Sep 29, 2024 at 12:55 PM alex...@gmail.com <alexko...@gmail.com>
wrote:

> FWIW, I rebuilt V8 after I made the above change to v8-inspector.h and
> discovered that, in fact, there are default implementations of consoleTime
> and friends in v8-inspector-impl.cc which, of course, doesn't play nicely
> with my change to v8-inspector.h but does suggest that there was an intent
> to have a default implementation for these functions. So just wondering if
> these can be moved to v8-inspector.h as that tells the compiler not to
> produce the typeinfo reference for v8_inspector::V8InspectorClient.
>
> Is it reasonable to submit a PR to make this change? Sorry to be so pushy,
> but this is a bit of a hassle for us, currently.
>
> Thanks
>
> On Thursday, September 26, 2024 at 12:25:53 PM UTC-4 alex...@gmail.com
> wrote:
>
>> We have code that implements v8_inspector::V8InspectorClient and when we
>> upgraded to V8 13.1.36 (thought he problem looks like it's there up to
>> 13.1.99) we get the following when we try to link:
>>
>> ld64.lld: error: undefined symbol: typeinfo for
>> v8_inspector::V8InspectorClient
>> >>> referenced by /Users/imagine/src/inspector.cc
>> >>> out/arm64.mac.release/obj/inspector.o:(symbol typeinfo for
>> imagine::InspectorClient+0x10)
>> >>> did you mean: vtable for v8_inspector::V8InspectorClient
>> >>> defined in:
>> v8/out/arm64.mac.release/obj/libv8_monolith.a(v8-inspector-impl.o)
>> clang++: error: linker command failed with exit code 1 (use -v to see
>> invocation)
>>
>> This seems to be because the following newish virtual functions in the
>> base class have no default implementation:
>>
>> virtual void consoleTime(v8::Isolate* isolate, v8::Local<v8::String>
>> label);
>> virtual void consoleTimeEnd(v8::Isolate* isolate,
>> v8::Local<v8::String> label);
>> virtual void consoleTimeStamp(v8::Isolate* isolate,
>> v8::Local<v8::String> label);
>>
>> We don't want to use rtti so we locally modified v8-inspector.h to
>> provide an empty implementation for these functions to get around the
>> problem, which worked fine, but, obviously we don't want to do that
>> forever.
>>
>> Is there another way around this? Should we submit a change to add
>> default implementations for these functions or will someone else pick this
>> up?
>>
> --
>

-- 
-- 
v8-users mailing list
v8-users@googlegroups.com
http://groups.google.com/group/v8-users
--- 
You received this message because you are subscribed to the Google Groups 
"v8-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to v8-users+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/v8-users/CAKSzg3R1MCamGt7J9Ac7zSCXKLJonFncdHZM4-jvogCBi2FXZg%40mail.gmail.com.

Reply via email to