mklibs: do not fail on unresolved symbols, but print warnings

SVN-Revision: 17170

tools/mklibs/patches/002-disable_symbol_checks.patch

+--- a/src/mklibs.py
++++ b/src/mklibs.py
+@@ -429,7 +429,7 @@ while 1:
+         # No progress in last pass. Verify all remaining symbols are weak.
+         for name in unresolved:
+             if not needed_symbols[name].weak:
+-                raise "Unresolvable symbol %s" % name
++                print "WARNING: Unresolvable symbol %s" % name
+         break
+ 
+     previous_pass_unresolved = unresolved
+@@ -467,10 +467,7 @@ while 1:
+ 
+     # which symbols are actually used from each lib
+     for name in needed_symbols:
+-        if not name in symbol_provider:
+-            if not needed_symbols[name].weak:
+-                raise "No library provides non-weak %s" % symbol
+-        else:
++        if name in symbol_provider:
+             lib = symbol_provider[name]
+             library_symbols_used[lib].add(library_symbols[lib][name])
+