Make error

[ManChrys]

Hello,

i have this error

`[ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/OdometryThread.cpp.o /home/geo/rtabmap/corelib/src/optimizer/OptimizerG2O.cpp: In constructor ‘rtabmap::OptimizerG2O::OptimizerG2O(const ParametersMap&)’: /home/geo/rtabmap/corelib/src/optimizer/OptimizerG2O.cpp:157:133: error: no matching function for call to ‘g2o::Factory::registerType(const char [17], std::_MakeUniq<g2o::HyperGraphElementCreator >::__single_object)’ erType("CACHE_SE3_OFFSET", std::make_unique<g2o::HyperGraphElementCreator >()); ^ In file included from /home/geo/rtabmap/corelib/src/optimizer/OptimizerG2O.cpp:46:0: /opt/ros/melodic/include/g2o/core/factory.h:62:12: note: candidate: void g2o::Factory::registerType(const string&, g2o::AbstractHyperGraphElementCreator) void registerType(const std::string& tag, AbstractHyperGraphElementCreator c); ^~~~ /opt/ros/melodic/include/g2o/core/factory.h:62:12: note: no known conversion for argument 2 from ‘std::_MakeUniq<g2o::HyperGraphElementCreator >::__single_object {aka std::unique_ptr<g2o::HyperGraphElementCreator, std::default_delete<g2o::HyperGraphElementCreator > >}’ to ‘g2o::AbstractHyperGraphElementCreator*’ [ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/odometry/OdometryF2M.cpp.o [ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/odometry/OdometryMono.cpp.o [ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/odometry/OdometryF2F.cpp.o [ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/odometry/OdometryFovis.cpp.o [ 7%] Building CXX object corelib/src/CMakeFiles/rtabmap_core.dir/odometry/OdometryViso2.cpp.o corelib/src/CMakeFiles/rtabmap_core.dir/build.make:929: recipe for target 'corelib/src/CMakeFiles/rtabmap_core.dir/optimizer/OptimizerG2O.cpp.o' failed make[2]: [corelib/src/CMakeFiles/rtabmap_core.dir/optimizer/OptimizerG2O.cpp.o] Error 1 make[2]: Waiting for unfinished jobs.... CMakeFiles/Makefile2:911: recipe for target 'corelib/src/CMakeFiles/rtabmap_core.dir/all' failed make[1]: *** [corelib/src/CMakeFiles/rtabmap_core.dir/all] Error 2

Makefile:155: recipe for target 'all' failed make: *** [all] Error 2 `

This error has to do with g2o version ? i tried both these versions and i have the same problem. Should i try an older one ?

EDIT

This error shows in rtabmap and not in rtabmap-ros. My bad !!! Should i change repo ?

[sun-rabbit]

What are the versions of ubuntu and ros

[ManChrys]

ubuntu 18.04 ros1 melodic

[sun-rabbit]

ubuntu 18.04 ros1 melodic

sorry ，my ubuntu20.04 ros2 foxy

[ManChrys]

i fix this error by

1)sudo apt remove ros-melodic-rtabmap* 2)git clone https://github.com/RainerKuemmerle/g2o.git mkdir build cd build cmake ../ make sudo make install