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-rwxr-xr-xemscripten.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/emscripten.py b/emscripten.py
index 55f00aee..0d565030 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -796,7 +796,7 @@ def emscript_fast(infile, settings, outfile, libraries=[], compiler_engine=None,
if DEBUG: logging.debug('emscript: js compiler glue')
# Integrate info from backend
- settings['DEFAULT_LIBRARY_FUNCS_TO_INCLUDE'] = settings['DEFAULT_LIBRARY_FUNCS_TO_INCLUDE'] + map(shared.JS.to_nice_ident, metadata['declares'])
+ settings['DEFAULT_LIBRARY_FUNCS_TO_INCLUDE'] = list(set(settings['DEFAULT_LIBRARY_FUNCS_TO_INCLUDE'] + map(shared.JS.to_nice_ident, metadata['declares'])))
# Settings changes
assert settings['TARGET_LE32'] == 1