Thanks Jakob, is there by any chance a correpsonding buildbot for Windows and MSVC++? I get this linker error from it seems V8 7.2 onwards, although I'm focussing on 7.8. The "monolith" build seems to be working though. I wonder if it's an MSVC++ peculiarity that is tripping me up? Regards, Ben
On Saturday, 2 November 2019 02:17:38 UTC+10:30, Jakob Kummerow wrote: > > Yes, the component build is expected to work for every version, and our > buildbot thinks it does: > https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20shared > > The component build is also the default in Debug mode, which most V8 > developers compile/use every day. > > > On Fri, Nov 1, 2019 at 1:00 AM Ben Ernst <boi...@gmail.com <javascript:>> > wrote: > >> Is the idea of a "component build", where you specify >> "is_component_build=true" in the arguments to GN, actually supposed to work >> at all in V8 (v7.8)? >> >> In particular, I am getting this unresolved external symbol: >> >> 1>ezv8_platform.obj : error LNK2019: unresolved external symbol >> "__declspec(dllimport) class std::unique_ptr<class v8::Platform,struct >> std::default_delete<class v8::Platform> > __cdecl >> v8::platform::NewDefaultPlatform(int,enum >> v8::platform::IdleTaskSupport,enum >> v8::platform::InProcessStackDumping,class std::unique_ptr<class >> v8::TracingController,struct std::default_delete<class >> v8::TracingController> >)" >> (__imp_?NewDefaultPlatform@platform@v8@@YA?AV?$unique_ptr@VPlatform@v8@@U?$default_delete@VPlatform@v8@@@std@@@std@@HW4IdleTaskSupport@12@W4InProcessStackDumping@12@V?$unique_ptr@VTracingController@v8@@U?$default_delete@VTracingController@v8@@@std@@@4@@Z) >> >> referenced in function "public: __cdecl ezv8::Platform::Impl::Impl(void)" >> (??0Impl@Platform@ezv8@@QEAA@XZ) >> >> The function "NewDefaultPlatform" seems to be exported from >> v8_libplatform. >> >> V8_PLATFORM_EXPORT std::unique_ptr<v8::Platform> NewDefaultPlatform( >> int thread_pool_size = 0, >> IdleTaskSupport idle_task_support = IdleTaskSupport::kDisabled, >> InProcessStackDumping in_process_stack_dumping = >> InProcessStackDumping::kDisabled, >> std::unique_ptr<v8::TracingController> tracing_controller = {}); >> >> But the destructor of the base class, v8::Platform is not exported. >> >> /** >> * V8 Platform abstraction layer. >> * >> * The embedder has to provide an implementation of this interface before >> * initializing the rest of V8. >> */ >> class Platform { >> public: >> virtual ~Platform() = default; >> >> >> I think that's the cause of the error above, although I may have >> misinterpreted the error message. >> >> Am I barking up the wrong tree by trying to use the component build at >> all? >> >> Thanks in advance for any advice. >> >> >> >> -- -- 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/3c25d09f-f679-4a08-bf47-e2075aa39866%40googlegroups.com.
