Undefined symbols for architecture x86_64

[mikbe]

Building iRecovery++

g++ -o ./bin/iRecovery ./src/Device.cpp -I"./include" -I"./libirecovery/include" -I"/usr/local/include" -L"/usr/local/lib" -lreadline ./libirecovery/libirecovery.a -lusb-1.0 -framework CoreFoundation -framework IOKit
Undefined symbols for architecture x86_64:
"_main", referenced from:
start in crt1.10.6.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make: *** [mach] Error 1