[emscripten] Cope with older llvm-nm output format.

peter-b · peter-b · commit 90cdfa8126ad · 2016-01-28T09:58:26.000Z
The version of the Emscripten SDK used on the build servers has a
slightly different output format for `llvm-nm -B`.
diff --git a/util/emscripten-genwhitelist.py b/util/emscripten-genwhitelist.py
@@ -87,7 +87,6 @@ def iter_archive_symbols(archive):
     if verbose:
         print(' '.join(command))
     output = subprocess.check_output(command)
-    current_object = []
     for line in output.splitlines():
         line = line.strip()
 
@@ -107,7 +106,7 @@ def iter_archive_symbols(archive):
         # object, should be emterpreted. Put an "_" before each symbol
         # to get the name as generated by emscripten
         if line[-2].lower() == 't':
-            yield ('_' + line[2])
+            yield ('_' + line[-1])
             continue
 
         # Check for undefined C++ symbols
