Thank you for your answer, but now i have this error
/usr/lib/../lib64/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
make[2]: *** [src/server/shared/sharedPCH.h.gch] Error 1
make[1]: *** [src/server/shared/CMakeFiles/generate_sharedPCH.cpp.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
/usr/lib/../lib64/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
make[2]: *** [src/server/game/gamePCH.h.gch] Error 1
make[1]: *** [src/server/game/CMakeFiles/generate_gamePCH.cpp.dir/all] Error 2
make: *** [all] Error 2
