id summary reporter owner description type status milestone component version severity resolution keywords cc 11399 Boost geometry models don't support stateful allocator. bmccart@… Barend Gehrels "The following model class declarations don't contain constructors that take a copy of the allocator types: linestring multi_linestring polygon multi_polygon This makes it impossible to use stateful allocators with geometry models." Feature Requests new To Be Determined geometry Boost 1.57.0 Problem geometry model allocator