环境:ubuntu16.04+python3.6+opencv-3.4.1
错误如下:
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘VTT for std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::assign(char const*)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_erase(unsigned long, unsigned long)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::basic_stringstream(std::_Ios_Openmode)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_replace_aux(unsigned long, unsigned long, unsigned long, char)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_assign(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >::~basic_stringstream()@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::compare(char const*) const@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘vtable for std::__cxx11::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_append(char const*, unsigned long)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::rfind(char, unsigned long) const@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::reserve(unsigned long)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘vtable for std::__cxx11::basic_stringstream<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::resize(unsigned long, char)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::find(char, unsigned long) const@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘VTT for std::__cxx11::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_replace(unsigned long, unsigned long, char const*, unsigned long)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_create(unsigned long&, unsigned long)@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIex-2_2.so.12：对‘std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::find(char const*, unsigned long, unsigned long) const@GLIBCXX_3.4.21’未定义的引用
//usr/lib/x86_64-linux-gnu/libIlmImf-2_2.so.22：对‘vtable for std::__cxx11::basic_stringbuf<char, std::char_traits<char>, std::allocator<char> >@GLIBCXX_3.4.21’未定义的引用