1 files changed, 6 insertions, 3 deletions
diff --git a/emscripten.py b/emscripten.py
index 5eb62ba2..681d2283 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -74,6 +74,8 @@ def emscript(infile, settings, outfile, libraries=[]):
 
   if DEBUG: print >> sys.stderr, 'emscript: ll=>js'
 
+  if jcache: JCache.ensure()
+
   # Pre-scan ll and alter settings as necessary
   if DEBUG: t = time.time()
   ll = open(infile).read()
@@ -134,13 +136,14 @@ def emscript(infile, settings, outfile, libraries=[]):
   pre_input = ''.join(pre) + '\n' + meta
   out = None
   if jcache:
-    pre_cache_key = JCache.get_key([pre_input, settings_text, ','.join(libraries)])
-    out = JCache.get(pre_cache_key)
+    keys = [pre_input, settings_text, ','.join(libraries)]
+    shortkey = JCache.get_key(keys)
+    out = JCache.get(shortkey, keys)
   if not out:
     open(pre_file, 'w').write(pre_input)
     out = shared.run_js(compiler, shared.COMPILER_ENGINE, [settings_file, pre_file, 'pre'] + libraries, stdout=subprocess.PIPE, cwd=path_from_root('src'))
     if jcache:
-      JCache.set(pre_cache_key, out)
+      JCache.set(shortkey, keys, out)
   pre, forwarded_data = out.split('//FORWARDED_DATA:')
   forwarded_file = temp_files.get('.json').name
   open(forwarded_file, 'w').write(forwarded_data)