Error compiling v19.1 for Mac

[ArminHHJ]

some warnings and error on this version. Last version (18.2) was good.
Enviroment on Mac should be clean. Stockfish (last dev) and corchess (last dev, 25.10.) compiles without any warnings and error.

Log:
montecarlo.cpp:68:14: warning: unused variable 'REWARD_MATE' [-Wunused-const-variable]
const Reward REWARD_MATE = Reward(1.0);
^
In file included from montecarlo.cpp:30:
./montecarlo.h:110:10: warning: private field 'max_epsilon' is not used [-Wunused-private-field]
double max_epsilon = 0.99;
^
./montecarlo.h:111:10: warning: private field 'min_epsilon' is not used [-Wunused-private-field]
double min_epsilon = 0.00;
^
./montecarlo.h:112:10: warning: private field 'decay_rate' is not used [-Wunused-private-field]
double decay_rate = 0.8;

clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [shashchess] Error 1
make: *** [build] Error 2

[amchess]

Hi.
We didn't change the montecarlo code.
Andrea