bsoncxx version: 3.6.1 found libbson version mongocxx version: 3.6.1 found libmongoc version 1.17.2 CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_mocked.dir/events/server_changed_event.cpp.o] Error 4 make[1]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_mocked.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_static.dir/instance.cpp.o] Error 4 make[2]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_static.dir/index_view.cpp.o] Error 4 make[2]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_static.dir/logger.cpp.o] Terminated make[1]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_static.dir/all] Terminated make: *** [all] Error 2 mongo-cxx-driver/3.6.1: ERROR: Package '94f67ff0d2b8d52ef1319c1d1f15a205a23680ab' build failed mongo-cxx-driver/3.6.1: WARN: Build folder /home/conan/w/cci_PR-3681/.conan/data/mongo-cxx-driver/3.6.1/_/_/build/94f67ff0d2b8d52ef1319c1d1f15a205a23680ab ERROR: mongo-cxx-driver/3.6.1: Error in build() method, line 99 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3681/.conan/data/mongo-cxx-driver/3.6.1/_/_/build/94f67ff0d2b8d52ef1319c1d1f15a205a23680ab/build_subfolder' '--' '-j3' Terminated