I managed to get shared library with -Dcomponent=shared_library.  So now 
just wondering what it means to have v8_use_external_startup_data=0. 

Thanks.

On Saturday, October 3, 2015 at 6:24:20 PM UTC-7, Jane Chen wrote:
>
> Ben,
>
> That did it!  Thank you so much!
>
> When I build v8 that way, I don't get libv8.so even though I have 
> "library=shared".  Neither do I get libv8_external_snapshot.a.  So the 
> crash must have to do with external snapshots?  Is there anyway to get 
> libv8.so in this mode?  You don't expect any negative performance impact in 
> this mode, do you?
>
> Thanks again!
>
> Jane
>
> On Saturday, October 3, 2015 at 9:30:55 AM UTC-7, Ben Noordhuis wrote:
>>
>> On Sat, Oct 3, 2015 at 3:27 AM, Jane Chen <jxch...@gmail.com> wrote: 
>> > I'm using v8 version 4.7 on Linux 64 debug.  hello-world and shell both 
>> work 
>> > fine.  But v8 in my embedding application crashes at Isolate::New: 
>> > 
>> > 12 v8::base::OS::Abort() 
>> > /space/projects/v8-git/v8/src/base/platform/platform-posix.cc:229 
>> > 0x00007ffff6567a41 
>> > 11 V8_Fatal() /space/projects/v8-git/v8/src/base/logging.cc:116 
>> > 0x00007ffff6562631 
>> > 10 v8::internal::NativesHolder<(v8::internal::NativeType)0>::get() 
>> > /space/projects/v8-git/v8/src/snapshot/natives-external.cc:128 
>> > 0x00007ffff65693df 
>> > 9 
>> > 
>> v8::internal::NativesCollection<(v8::internal::NativeType)0>::GetBuiltinsCount()
>>  
>>
>> > /space/projects/v8-git/v8/src/snapshot/natives-external.cc:206 
>> > 0x00007ffff6569379 
>> > 8 v8::internal::Heap::CreateInitialObjects() 
>> > /space/projects/v8-git/v8/src/heap/heap.cc:2662 0x00007ffff603ef05 
>> > 7 v8::internal::Heap::CreateHeapObjects() 
>> > /space/projects/v8-git/v8/src/heap/heap.cc:5103 0x00007ffff604b01c 
>> > 6 v8::internal::Isolate::Init() 
>> > /space/projects/v8-git/v8/src/isolate.cc:2144 0x00007ffff61a7055 
>> > 5 v8::Isolate::New() /space/projects/v8-git/v8/src/api.cc:7103 
>> > 0x00007ffff5c5914f 
>> > 
>> > I've already reduced my test code to be as close to hello-world's 
>> example as 
>> > possible: 
>> > 
>> >   v8::V8::InitializeICU(); 
>> >   
>> v8::V8::InitializeExternalStartupData(Server::getInstallDir().c_str()); 
>> >   v8::Platform* platform = v8::platform::CreateDefaultPlatform(); 
>> >   v8::V8::InitializePlatform(platform); 
>> >   v8::V8::Initialize(); 
>> >   JSArrayBufferAllocator alloc; 
>> >   v8::Isolate::CreateParams createParams; 
>> >   createParams.array_buffer_allocator = &alloc; 
>> >   v8::Isolate* isolate = v8::Isolate::New(createParams); 
>> > 
>> > I've also made sure natives_blob.bin and snapshot_blob.bin are present 
>> at my 
>> > install directory.  And tried building and running with static 
>> libraries. 
>> > Also tried building and running with no snapshots.  Nothing helped. 
>> > 
>> > I found this: 
>> > https://code.google.com/p/v8/issues/detail?id=4192 
>> > 
>> > Seems to be same stack but different program.  I can't reproduce it 
>> with 
>> > hello-world. 
>> > 
>> > Any help would be really appreciated. 
>>
>> I commented on the issue.  Can you check if `make 
>> GYPFLAGS="-Dv8_use_external_startup_data=0"` works for you? 
>>
>

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