Add a note to avoid people getting confused by the error message.

1 files changed, 1 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index deab77b..497a4df 100644
--- a/setup.py
+++ b/setup.py
@@ -48,6 +48,7 @@ def ask_supports_thread():
     try:
         compiler.compile(['c/check__thread.c'])
     except distutils.errors.CompileError:
+        print >> sys.stderr, "the above error message can be safely ignored;"
         print >> sys.stderr, "will not use '__thread' in the C code"
     else:
         define_macros.append(('USE__THREAD', None))