Hi, the libc provided together with v8 is incompatible with the msvc-libc. I had to provide "use_custom_libcxx=false" to be able to link it with my own program.
Am Sonntag, 3. November 2019 12:43:57 UTC+1 schrieb Ben Ernst: > > Of note, the sample utilities "d8" and "v8_hello_world" build fine, and > they don't get this same linker error. I can't see anything I'm doing > differently, however. > > On Sunday, 3 November 2019 22:08:27 UTC+10:30, Ben Ernst wrote: >> >> 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> 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/90d39cd7-0fc1-4730-9da9-9e0cc37bca3c%40googlegroups.com.
