Linking CXX executable tsc
CMakeFiles/tsc.dir/core/main.cpp.o: In function "main":
main.cpp:(.text+0x0):  several definitions of "main"
CMakeFiles/tsc.dir/CMakeFiles/2.8.12.2/CompilerIdCXX/CMakeCXXCompilerId.cpp.o:CMakeCXXCompilerId.cpp:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status
make[2]: *** [tsc] Rong 1
make[1]: *** [CMakeFiles/tsc.dir/all] Rong 2
make: *** [all] Rong 2