ICU 56 update step 1

source/test/depstest/depstest.py

 #! /usr/bin/python
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2011-2014, International Business Machines
+# Copyright (C) 2011-2015, International Business Machines
 # Corporation and others. All Rights Reserved.
 #
 # file name: depstest.py
 #
 # created on: 2011may24
 
 """ICU dependency tester.
 
 This probably works only on Linux.
 
@@ skipping 38 matching lines @@
                                stdout=subprocess.PIPE).communicate()[0]
   obj_imports = set()
   obj_exports = set()
   for line in nm_result.splitlines():
     fields = line.split("|")
     if len(fields) == 1: continue
     name = fields[0].strip()
     # Ignore symbols like '__cxa_pure_virtual',
     # 'vtable for __cxxabiv1::__si_class_type_info' or
     # 'DW.ref.__gxx_personality_v0'.
-    if name.startswith("__cxa") or "__cxxabi" in name or "__gxx" in name:
+    # '__dso_handle' belongs to __cxa_atexit().
+    if (name.startswith("__cxa") or "__cxxabi" in name or "__gxx" in name or
+        name == "__dso_handle"):
       _ignored_symbols.add(name)
       continue
     type = fields[2].strip()
     if type == "U":
       obj_imports.add(name)
     else:
       obj_exports.add(name)
       _symbols_to_files[name] = lib_obj_name
       # Is this a vtable? E.g., "vtable for icu_49::ByteSink".
       if name.startswith("vtable for icu"):
@@ skipping 113 matching lines @@
   if _ignored_symbols:
     print "Info: ignored symbols:\n%s" % sorted(_ignored_symbols)
   if not _return_value:
     print "OK: Specified and actual dependencies match."
   else:
     print "Error: There were errors, please fix them and re-run. Processing may have terminated abnormally."
   return _return_value
 
 if __name__ == "__main__":
   sys.exit(main())