http://bugs.python.org/issue1471934

--- setup.py
+++ setup.py
@@ -608,11 +608,17 @@
 
         if platform not in ['mac']:
             # crypt module.
+            libs = []
+
+            if platform in ['sunos5']:
+                # http://bugs.python.org/issue1471934 (64-bits Solaris 8-10)
+                # if normal libcrypt symlink is available, in theory the
+                # general check below could overwrite this hack, however,
+                # python just looks only at the 32-bits libs here :(
+                if self.compiler.find_library_file(lib_dirs, 'crypt_i'):
+                    libs = ['crypt_i']
-
-            if self.compiler.find_library_file(lib_dirs, 'crypt'):
+            elif self.compiler.find_library_file(lib_dirs, 'crypt'):
                 libs = ['crypt']
-            else:
-                libs = []
             exts.append( Extension('crypt', ['cryptmodule.c'], libraries=libs) )
         else:
             missing.append('crypt')