[MacPorts] #61326: py-pytorch: Symbol not found: __ZdlPvSt11align_val_t

[MacPorts]

#61326: py-pytorch: Symbol not found: __ZdlPvSt11align_val_t
--------------------------+------------------------
 Reporter:  chrstphrchvz  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.6.3
 Keywords:                |       Port:  py-pytorch
--------------------------+------------------------
 On macOS 10.12, pytorch can't be imported, as currently observed in the
 build logs for `pyXX-torchvision`:

 {{{
 Traceback (most recent call last):
   File "setup.py", line 13, in <module>
     import torch
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6
 /site-packages/torch/__init__.py", line 189, in <module>
     from torch._C import *
 ImportError:
 dlopen(/opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6
 /site-packages/torch/_C.cpython-36m-darwin.so, 2): Symbol not found:
 __ZdlPvSt11align_val_t
   Referenced from:
 /opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6
 /site-packages/torch/lib/libtorch_python.dylib
   Expected in: /usr/lib/libc++.1.dylib
  in
 /opt/local/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6
 /site-packages/torch/lib/libtorch_python.dylib
 }}}

 From searching online, this has to do with `std::uncaught_exceptions()`
 not being found in libc++.

-- 
Ticket URL: <https://trac.macports.org/ticket/61326>
MacPorts <https://www.macports.org/>
Ports system for macOS