emscripten.patch

diff --git a/src/runtime.js b/src/runtime.js
index 7d2c669b2..380988c40 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -327,6 +327,28 @@ var Runtime = {
     }
     Runtime.loadedDynamicLibraries.push(libModule);
   },
+  loadDynamicLibrarySrc: function(src) {
+    var libModule = eval(src)(
+      Runtime.alignFunctionTables(),
+      Module
+    );
+    // add symbols into global namespace TODO: weak linking etc.
+    for (var sym in libModule) {
+      if (!Module.hasOwnProperty(sym)) {
+        Module[sym] = libModule[sym];
+      }
+#if ASSERTIONS == 2
+      else if (sym[0] === '_') {
+        var curr = Module[sym], next = libModule[sym];
+        // don't warn on functions - might be odr, linkonce_odr, etc.
+        if (!(typeof curr === 'function' && typeof next === 'function')) {
+          Module.printErr("warning: trying to dynamically load symbol '" + sym + "' (from '" + lib + "') that already exists (duplicate symbol? or weak linking, which isn't supported yet?)"); // + [curr, ' vs ', next]);
+        }
+      }
+#endif
+    }
+    Runtime.loadedDynamicLibraries.push(libModule);
+  },
 #endif
 
   warnOnce: function(text) {