1.2 on github wont compile i get this error.

ccminer-cpu-miner.o: In function `miner_thread':
/opt/miners/ccminer-2014-06-13/cpu-miner.c:923: undefined reference to `scanhash_x13'
collect2: error: ld returned 1 exit status
make[2]: *** [ccminer] Error 1


any suggestions?

KAblam