compiling error

[puppybutthole]

[ 40%] Linking CXX executable SubgraphMatching.out
/usr/bin/ld: CMakeFiles/SubgraphMatching.out.dir/StudyPerformance.cpp.o:/home/uds/app/SubgraphMatching-master/matching/EvaluateQuery.h:15: multiple definition of `extendable_vertex_compare'; CMakeFiles/SubgraphMatching.out.dir/EvaluateQuery.cpp.o:/home/uds/app/SubgraphMatching-master/matching/EvaluateQuery.h:15: first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [matching/CMakeFiles/SubgraphMatching.out.dir/build.make:195：matching/SubgraphMatching.out] 错误 1
make[1]: *** [CMakeFiles/Makefile2:169：matching/CMakeFiles/SubgraphMatching.out.dir/all] 错误 2
make: *** [Makefile:91：all] 错误 2

I don't know how to fix this problem

[lxhq]

Hi, puppybutthole,

I have the same problem. I found it is because my complier's version is too high. I installed g++ 9.4 and solved the problem.

[shixuansun]

The compiling issue has been resolved. Thanks.