diff --git a/common/arch.h b/common/arch.h
index ad2cd216..d91c9af1 100644
--- a/common/arch.h
+++ b/common/arch.h
@@ -36,14 +36,14 @@
 # endif
 #endif
 /* check if we need to align data */
-#if defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
+#if defined(__x86__) || defined(__x86_64__) || \
+    defined(__AMD64__) || defined(_M_IX86) || \
+    defined(__i386__) || defined(__powerpc64__)
+# define NO_NEED_ALIGN
+#elif defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
     defined(__AIX__) || defined(__PPC__) || defined(__mips__) || \
     defined(__ia64__) || defined(__ppc__) || defined(__arm__)
-#define NEED_ALIGN
-#elif defined(__x86__) || defined(__x86_64__) || \
-      defined(__AMD64__) || defined(_M_IX86) || \
-      defined(__i386__)
-#define NO_NEED_ALIGN
+# define NEED_ALIGN
 #else
 #warning unknown arch
 #endif
diff --git a/xorg/X11R7.6/rdp/rdp.h b/xorg/X11R7.6/rdp/rdp.h
index 7bc2eb6c..9eee9e10 100644
--- a/xorg/X11R7.6/rdp/rdp.h
+++ b/xorg/X11R7.6/rdp/rdp.h
@@ -618,11 +618,12 @@ rdpXvInit(ScreenPtr pScreen);
 #  error Unknown endianness in rdp.h
 #endif
 /* check if we need to align data */
-/* check if we need to align data */
-#if defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
+#if defined(__powerpc64__)
+# undef NEED_ALIGN
+#elif defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \
     defined(__AIX__) || defined(__PPC__) || defined(__mips__) || \
     defined(__ia64__) || defined(__ppc__) || defined(__arm__)
-#define NEED_ALIGN
+# define NEED_ALIGN
 #endif
 
 /* parser state */
diff --git a/xorg/X11R7.6/xorg-server-1.9.3.patch b/xorg/X11R7.6/xorg-server-1.9.3.patch
new file mode 100644
index 00000000..b7b3edae
--- /dev/null
+++ b/xorg/X11R7.6/xorg-server-1.9.3.patch
@@ -0,0 +1,18 @@
+diff -ur a/include/servermd.h b/include/servermd.h
+--- a/include/servermd.h
++++ b/include/servermd.h
+@@ -92,7 +92,13 @@
+ 					/* byte boundries */
+ #endif /* hpux || __hppa__ */
+ 
+-#if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
++#if defined(__powerpc64__) && !defined(__BIG_ENDIAN__)
++
++# define IMAGE_BYTE_ORDER	LSBFirst
++# define BITMAP_BIT_ORDER       LSBFirst
++# define GLYPHPADBYTES		4
++
++#elif defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
+ 
+ #define IMAGE_BYTE_ORDER        MSBFirst
+ #define BITMAP_BIT_ORDER        MSBFirst