Fabio Di Cosmo wrote:
> IPython post-mortem report
>
> {'commit_hash': u'b630b41',
> 'commit_source': 'installation',
> 'default_encoding': 'UTF-8',
> 'ipython_path':
> '/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython',
> 'ipython_version': '4.2.1',
> 'os_name': 'posix',
> 'platform': 'Linux-4.4.0-36-generic-x86_64-with-debian-stretch-sid',
> 'sys_executable': '/usr/lib/sagemath/local/bin/python',
> 'sys_platform': 'linux2',
> 'sys_version': '2.7.10 (default, Aug 6 2016, 15:34:26) \n[GCC 4.8.4]'}
>
> ***************************************************************************
>
> <SNIP>
>
> 107 # This must come before Calculus -- it initializes the Pynac
> library.
> --> 108 import sage.symbolic.pynac
> global sage.symbolic.pynac = undefined
>
> ImportError:
> /usr/lib/sagemath/local/lib/python2.7/site-packages/sage/symbolic/pynac.so:
>
> undefined symbol:
> _ZN5GiNaC8constantC1ENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEPFNS_2exEjP7_objectERKS6_j
>
> ***************************************************************************
GiNaC::constant::constant(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >, GiNaC::ex (*)(unsigned
int, _object*), std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, unsigned int)
Looks like you downloaded the wrong binary for your distro; your
standard C++ library apparently doesn't have a dual ABI.
-leif
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