internal compiler error while building VIS4ROB-lab/ccm_slam

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Hello, I am trying to build a repository with (link provided below): https://github.com/VIS4ROB-lab/ccm_slam

I am trying to build this repository by the following command: (as instructed in the readme file):

catkin build ccmslam --cmake-args -DG2O_U14=0 -DCMAKE_BUILD_TYPE=Release

But I get the following error:

c++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-7/README.Bugs> for instructions.

make[2]: *** [CMakeFiles/ccmslam_lib.dir/src/Frame.cpp.o] Error 4

make[2]: *** Deleting file 'CMakeFiles/ccmslam_lib.dir/src/Frame.cpp.o'

make[1]: *** [CMakeFiles/ccmslam_lib.dir/all] Error 2

make: *** [all] Error 2

cd /home/laiba/ccmslam_ws/build/ccmslam; catkin build --get-env ccmslam | catkin env -si  /usr/bin/make --jobserver-fds=6,7 -j; cd -
...............................................................................


Failed     << ccmslam:make                [ Exited with code 2 ]               
Failed    <<< ccmslam                     [ 1 minute and 9.4 seconds ]         
[build] Summary: 1 of 2 packages succeeded.                                    
[build]   Ignored:   None.                                                     
[build]   Warnings:  1 packages succeeded with warnings.                       
[build]   Abandoned: None.                                                     
[build]   Failed:    1 packages failed.                                        
[build] Runtime: 1 minute and 11.5 seconds total.

After trying to search online I understood that this is some memory issue, which doesn't make sense to me as I have allotted my Ubuntu partition with 100 GB of space. I even tried to do the 'swap file' solution. But even that did not build this project.

Can you please tell me what should I do, now? I am using ROS melodic, my Ubuntu version is 18.04. I am using AMD RYZEN 7 processor.