你好，帮忙看下，编译你代码时显示下面错误

[ChenJia2017]

[ 3%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/System.cc.o
[ 7%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/Tracking.cc.o
/home/chenjia/ImuSLAm/LearnVIORBnorosgai2/src/Tracking.cc: In member function ‘void ORB_SLAM2::Tracking::RecomputeIMUBiasAndCurrentNavstate(ORB_SLAM2::NavState&)’:
/home/chenjia/ImuSLAm/LearnVIORBnorosgai2/src/Tracking.cc:92:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < N - 2; i++)
^
/home/chenjia/ImuSLAm/LearnVIORBnorosgai2/src/Tracking.cc: In member function ‘void ORB_SLAM2::Tracking::Track()’:
/home/chenjia/ImuSLAm/LearnVIORBnorosgai2/src/Tracking.cc:904:13: warning: ‘bOK’ may be used uninitialized in this function [-Wmaybe-uninitialized]
if (bOK)
^
[ 11%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/LocalMapping.cc.o
[ 14%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/LoopClosing.cc.o
[ 18%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/ORBextractor.cc.o
[ 22%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/ORBmatcher.cc.o
[ 25%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/FrameDrawer.cc.o
[ 29%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/Converter.cc.o
[ 33%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/MapPoint.cc.o
[ 37%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/KeyFrame.cc.o
[ 40%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/Map.cc.o
[ 44%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/MapDrawer.cc.o
[ 48%] Building CXX object CMakeFiles/ORB_SLAM2.dir/src/Optimizer.cc.o
c++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See file:///usr/share/doc/gcc-4.8/README.Bugs for instructions.
make[2]: *** [CMakeFiles/ORB_SLAM2.dir/src/Optimizer.cc.o] Error 4
make[1]: *** [CMakeFiles/ORB_SLAM2.dir/all] Error 2
make: *** [all] Error 2

[ZuoJiaxing]

Perhaps not enough memory space of your computer. http://blog.csdn.net/bxd1314/article/details/47338391