bfgminer-deviceapi.o: In function `add_cgpu':
/home/user1/bfgminer/deviceapi.c:621: undefined reference to `detectone_meta_info'
/home/user1/bfgminer/deviceapi.c:622: undefined reference to `detectone_meta_info'
/home/user1/bfgminer/deviceapi.c:623: undefined reference to `detectone_meta_info'
/home/user1/bfgminer/deviceapi.c:622: undefined reference to `detectone_meta_info'
bfgminer-driver-cpu.o: In function `cpu_detect':
/home/user1/bfgminer/driver-cpu.c:789: undefined reference to `_serial_detect'
/home/user1/bfgminer/driver-cpu.c:787: undefined reference to `_serial_detect'
collect2: ld returned 1 exit status
make[2]: *** [bfgminer] Error 1
make[2]: Leaving directory `/home/user1/bfgminer'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/user1/bfgminer'
make: *** [all] Error 2