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 -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.