Closes #13803: Under Solaris, distutils doesn't include bitness in the directory name
diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py
index 6c49f0b..2e4617e 100644
--- a/Lib/distutils/util.py
+++ b/Lib/distutils/util.py
@@ -6,7 +6,7 @@
 
 __revision__ = "$Id$"
 
-import sys, os, string, re
+import sys, os, string, re, platform
 from distutils.errors import DistutilsPlatformError
 from distutils.dep_util import newer
 from distutils.spawn import spawn
@@ -76,6 +76,7 @@
         if release[0] >= "5":           # SunOS 5 == Solaris 2
             osname = "solaris"
             release = "%d.%s" % (int(release[0]) - 3, release[2:])
+            machine += ".%s" % platform.architecture()[0]
         # fall through to standard osname-release-machine representation
     elif osname[:4] == "irix":              # could be "irix64"!
         return "%s-%s" % (osname, release)