diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 400cb48..4835e64 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1099,6 +1099,10 @@
                 if eval('test_codecmaps_' + cc).skip_expected:
                     self.expected.add('test_codecmaps_' + cc)
 
+            if sys.maxint == 9223372036854775807L:
+                self.expected.add('test_rgbimg')
+                self.expected.add('test_imageop')
+
             if not sys.platform in ("mac", "darwin"):
                 MAC_ONLY = ["test_macostools", "test_macfs", "test_aepack",
                             "test_plistlib", "test_scriptpackages"]
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 852bde4..76c2a44 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -805,8 +805,8 @@
 PyTclObject_repr(PyTclObject *self)
 {
 	char buf[50];
-	PyOS_snprintf(buf, 50, "<%s object at 0x%.8x>",
-		      self->value->typePtr->name, (int)self->value);
+	PyOS_snprintf(buf, 50, "<%s object at %p>",
+		      self->value->typePtr->name, self->value);
 	return PyString_FromString(buf);
 }
 
diff --git a/setup.py b/setup.py
index 5450b20..08d951e 100644
--- a/setup.py
+++ b/setup.py
@@ -265,7 +265,10 @@
         # lib_dirs and inc_dirs are used to search for files;
         # if a file is found in one of those directories, it can
         # be assumed that no additional -I,-L directives are needed.
-        lib_dirs = self.compiler.library_dirs + ['/lib', '/usr/lib', '/usr/lib/lib64']
+        lib_dirs = self.compiler.library_dirs + [
+            '/lib64', '/usr/lib64',
+            '/lib', '/usr/lib',
+            ]
         inc_dirs = self.compiler.include_dirs + ['/usr/include']
         exts = []
 
@@ -990,6 +993,7 @@
             added_lib_dirs.append('/usr/openwin/lib')
         elif os.path.exists('/usr/X11R6/include'):
             include_dirs.append('/usr/X11R6/include')
+            added_lib_dirs.append('/usr/X11R6/lib64')
             added_lib_dirs.append('/usr/X11R6/lib')
         elif os.path.exists('/usr/X11R5/include'):
             include_dirs.append('/usr/X11R5/include')