Fail to to compile TMatrixT<TComplex>

Hi, I met some trouble when compiling the following code:

#include <TMatrixT.h>
#include <TComplex.h>
typedef TMatrixT<TComplex> TMatC;

int main()
TMatC mat;
return 0;

then complie:
: g++ $(root-config --cflags) $(root-config --libs) test.cxx -o test
got lots of undefined symbols during link.

any solutions ? thank you.

_ROOT Version: 6.24/06
_Platform: ubuntu 20.40 LTS
_Compiler: gcc 9.3.0


I believe this is a duplicate of:

Please check the answer you got in that other post.

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