--- vnc4-4.1.1+X4.3.0.orig/unix/xc/include/Xmd.h
+++ vnc4-4.1.1+X4.3.0/unix/xc/include/Xmd.h
@@ -60,7 +60,7 @@
 #endif
 #if defined(__alpha) || defined(__alpha__) || \
     defined(__ia64__) || defined(ia64) || \
-    defined(__sparc64__) || \
+    defined(__sparc64__) || defined(__powerpc64__) || \
     defined(__s390x__) || \
     (defined(__hppa__) && defined(__LP64__)) || \
     defined(__x86_64__) || defined(x86_64)