#else
#if defined(__ppc__) || defined(__ppc64__)
fputs("powerpc", stdout);
-#elif defined (__i386__) || defined(__x86_64__)
+#elif defined(__i386__) || defined(__x86_64__)
fputs("i386", stdout);
-#elif defined(__arm__)
+#elif defined(__arm__) || defined(__arm64__)
fputs("arm", stdout);
#else
fputs("unknown", stdout);