g++ -c -Wall -Wextra -std=c++0x -O2 -fomit-frame-pointer -march=native -I/usr/local/include -I/usr/include -IxptMiner/includes/ -IxptMiner/OpenCL xptMiner/scryptMinerCPU.cpp -o xptMiner/scryptMinerCPU.o xptMiner/metis.c:1379:14: error: conflicting types for ‘metis4_core_opt’ unsigned int metis4_core_opt(unsigned int* data) ^In file included from xptMiner/metis.c:36:0:xptMiner/sph_metis.h:78:14: note: previous declaration of ‘metis4_core_opt’ was here unsigned int metis4_core_opt(const void *data); ^