Merge pull request #772 from vtamara/comp_adJ

It compiles on OpenBSD/adJ 6.2

xmrstak/backend/cpu/crypto/cryptonight_common.cpp

@@ -253,6 +253,9 @@ cryptonight_ctx* cryptonight_alloc_ctx(size_t use_fast_mem, size_t use_mlock, al
 #elif defined(__FreeBSD__)
 	ptr->long_state = (uint8_t*)mmap(0, hashMemSize, PROT_READ | PROT_WRITE,
 		MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0);
+#elif defined(__OpenBSD__)
+	ptr->long_state = (uint8_t*)mmap(0, hashMemSize, PROT_READ | PROT_WRITE,
+		MAP_PRIVATE | MAP_ANON, -1, 0);
 #else
 	ptr->long_state = (uint8_t*)mmap(0, hashMemSize, PROT_READ | PROT_WRITE,
 		MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE, 0, 0);

xmrstak/backend/cpu/minethd.cpp

@@ -93,6 +93,8 @@ bool minethd::thd_setaffinity(std::thread::native_handle_type h, uint64_t cpu_id
 	CPU_ZERO(&mn);
 	CPU_SET(cpu_id, &mn);
 	return pthread_setaffinity_np(h, sizeof(cpuset_t), &mn) == 0;
+#elif defined(__OpenBSD__)
+        printer::inst()->print_msg(L0,"WARNING: thread pinning is not supported under OPENBSD.");
 #else
 	cpu_set_t mn;
 	CPU_ZERO(&mn);