by default only keep main alive

1 files changed, 4 insertions, 3 deletions

diff --git a/src/settings.js b/src/settings.js
index 77111ed5..c4d1df48 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -207,9 +207,10 @@ var NAMED_GLOBALS = 1; // If 1, we use global variables for globals. Otherwise
 var PROFILE = 0; // Enables runtime profiling. See test_profiling for a usage example.
 
 var EXPORT_ALL = 0; // If true, we export all the symbols
-var EXPORTED_FUNCTIONS = ['_main', '_malloc', '_free']; // Functions that are explicitly exported, so they are guaranteed to
-                                                        // be accessible outside of the generated code even after running closure compiler.
-                                                        // Note the necessary prefix of "_".
+var EXPORTED_FUNCTIONS = ['_main']; // Functions that are explicitly exported. These functions are kept alive
+                                    // through LLVM dead code elimination, and also made accessible outside of
+                                    // the generated code even after running closure compiler (on "Module").
+                                    // Note the necessary prefix of "_".
 
 var DEFAULT_LIBRARY_FUNCS_TO_INCLUDE = ['memcpy', 'memset', 'malloc', 'free', '$Browser']; // JS library functions (C functions implemented in JS)
                                                                                            // that we include by default. If you want to make sure