--- a/src/mklibs
+++ b/src/mklibs
@@ -524,7 +524,7 @@ while 1:
         # No progress in last pass. Verify all remaining symbols are weak.
         for name in unresolved:
             if not needed_symbols[name].weak:
-                raise Exception("Unresolvable symbol %s" % name)
+                print "WARNING: Unresolvable symbol %s" % name
         break
 
     previous_pass_unresolved = unresolved
@@ -559,7 +559,7 @@ while 1:
     for name in needed_symbols:
         if not name in symbol_provider:
             if not needed_symbols[name].weak:
-                raise Exception("No library provides non-weak %s" % name)
+                print "WARNING: Unresolvable symbol %s" % name
         else:
             lib = symbol_provider[name]
             library_symbols_used[lib].add(library_symbols[lib][name])
