On Mon, Jan 1, 2018 at 3:00 PM, Bogdan Padalko <zaq178mi...@gmail.com> wrote:
> Hi Zac, thanks for the quick reply!
>
> Here's what I see in library:
>
> $ objdump -T /opt/libv8-6.5/lib/libv8_libplatform.so  | grep NewDefault
> 000000000000a850 g    DF .text    000000000000012e  Base
> _ZN2v88platform18NewDefaultPlatformEiNS0_15IdleTaskSupportENS0_21InProcessStackDumpingENSt3__110unique_ptrINS_17TracingControllerENS3_14default_deleteIS5_EEEE
>
>
> and this is the error I get later when get php-v8 compiled and try to load:
>
> _ZN2v88platform18NewDefaultPlatformEiNS0_15IdleTaskSupportENS0_21InProcessStackDumpingESt10unique_ptrINS_17TracingControllerESt14default_deleteIS4_EE
>
> As you see, they differs and it looks like I missed something, but couldn't
> grasp what and it looks like this is the cause of
>
> /home/vagrant/php-v8/scripts/test_v8/hello_world.cpp:21: undefined reference
> to `v8::platform::NewDefaultPlatform(int, v8::platform::IdleTaskSupport,
> v8::platform::InProcessStackDumping, std::unique_ptr<v8::TracingController,
> std::default_delete<v8::TracingController> >)'
>
> error too.
>
> Happy New Year!
> Bogdan

If you run them through c++filt, you'll see the difference:

  v8::platform::NewDefaultPlatform(int, v8::platform::IdleTaskSupport,
v8::platform::InProcessStackDumping,
std::__1::unique_ptr<v8::TracingController,
std::__1::default_delete<v8::TracingController> >)

vs:

  v8::platform::NewDefaultPlatform(int, v8::platform::IdleTaskSupport,
v8::platform::InProcessStackDumping,
std::unique_ptr<v8::TracingController,
std::default_delete<v8::TracingController> >)

I'm guessing one is compiled against different headers than the other
or with a different -std=... flag.  If you built V8 with the bundled
clang, try rebuilding it with clang=0.

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