1 files changed, 5 insertions, 1 deletions
diff --git a/system/lib/dlmalloc.c b/system/lib/dlmalloc.c
index 7e04a726..9a84d48f 100644
--- a/system/lib/dlmalloc.c
+++ b/system/lib/dlmalloc.c
@@ -532,6 +532,10 @@
 #define DLMALLOC_VERSION 20806
 #endif /* DLMALLOC_VERSION */
 
+#if EMSCRIPTEN
+#define DLMALLOC_EXPORT __attribute__((__weak__, __visibility__("default")))
+#endif
+
 #ifndef DLMALLOC_EXPORT
 #define DLMALLOC_EXPORT extern
 #endif
@@ -6291,4 +6295,4 @@ int mspace_mallopt(int param_number, int value) {
  * Based loosely on libg++-1.2X malloc. (It retains some of the overall
  structure of old version,  but most details differ.)
  
- */
-\ No newline at end of file
+ */