clang++ -Iinclude/ `sdl2-config --cflags` -MP -MD -g -Og -c -Wall -Wextra -Werror -std=c++14 src/ssgv2a.cc -o obj/ssgv2a.o
In file included from src/ssgv2a.cc:1:
In file included from include/ssgv2a.hh:7:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/iostream:39:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/ostream:38:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/ios:42:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/ios_base.h:41:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/locale_classes.h:40:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/string:41:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/allocator.h:46:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33:
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/ext/new_allocator.h:150:23: error: allocating an object of abstract class type 'EditableCurve'
        { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
                             ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/alloc_traits.h:512:8: note: in instantiation of function template specialization '__gnu_cxx::new_allocator<EditableCurve>::construct<EditableCurve, char const (&)[15]>' requested here
          __a.construct(__p, std::forward<_Args>(__args)...);
              ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr_base.h:551:30: note: in instantiation of function template specialization 'std::allocator_traits<std::allocator<EditableCurve>>::construct<EditableCurve, char const (&)[15]>' requested here
          allocator_traits<_Alloc>::construct(__a, _M_ptr(),
                                    ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr_base.h:683:6: note: in instantiation of function template specialization 'std::_Sp_counted_ptr_inplace<EditableCurve, std::allocator<EditableCurve>, __gnu_cxx::_S_atomic>::_Sp_counted_ptr_inplace<char const (&)[15]>' requested here
            _Sp_cp_type(__a._M_a, std::forward<_Args>(__args)...);
            ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr_base.h:1371:14: note: in instantiation of function template specialization 'std::__shared_count<__gnu_cxx::_S_atomic>::__shared_count<EditableCurve, std::allocator<EditableCurve>, char const (&)[15]>' requested here
        : _M_ptr(), _M_refcount(_M_ptr, __tag, std::forward<_Args>(__args)...)
                    ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr.h:408:4: note: in instantiation of function template specialization 'std::__shared_ptr<EditableCurve, __gnu_cxx::_S_atomic>::__shared_ptr<std::allocator<EditableCurve>, char const (&)[15]>' requested here
        : __shared_ptr<_Tp>(__tag, std::forward<_Args>(__args)...)
          ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr.h:859:14: note: in instantiation of function template specialization 'std::shared_ptr<EditableCurve>::shared_ptr<std::allocator<EditableCurve>, char const (&)[15]>' requested here
      return shared_ptr<_Tp>(_Sp_alloc_shared_tag<_Alloc>{__a},
             ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/bits/shared_ptr.h:875:19: note: in instantiation of function template specialization 'std::allocate_shared<EditableCurve, std::allocator<EditableCurve>, char const (&)[15]>' requested here
      return std::allocate_shared<_Tp>(std::allocator<_Tp_nc>(),
                  ^
src/ssgv2a.cc:9:31: note: in instantiation of function template specialization 'std::make_shared<EditableCurve, char const (&)[15]>' requested here
  auto aperture_editor = std::make_shared<EditableCurve>("Aperture Curve");
                              ^
include/ssgv2a.hh:18:20: note: unimplemented pure virtual method 'get_window_id' in 'EditableCurve'
  virtual uint32_t get_window_id() const = 0;
                   ^
1 error generated.
make: *** [GNUmakefile:14: obj/ssgv2a.o] Error 1