fix std::map error on high version GCC/G++ #10
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Excellent work! Thank you very much for your contribution to the open source community. 😘 The work of ORB-SLAM series has helped and inspired many researchers and engineers.
I encountered a small error after I compiled the source code of ORB-SLAM3:
After testing, this error only appeared with higher version of GCC/G++ compiler such as G++9, G++10. I replaced
with
in the head of file LoopClosing.h and this error was fixed. It works well with G++ 10.0.1, 9.3.0, 8.4.0, 7.5.0, 6.4.0 and 5.5.0.
My environmental information:
OS: Ubuntu 20.04 LTS
GNU GCC/G++: 10.0.1
cmake: 3.16.3
GNU make: 4.2.1
Pangolin: commit 86eb497
OpenCV: 3.2.0
Eigen: 3.2.10