1 files changed, 4 insertions, 0 deletions
diff --git a/byterun/unix.c b/byterun/unix.c
index 4f666b80b..4fc70b003 100644
--- a/byterun/unix.c
+++ b/byterun/unix.c
@@ -153,6 +153,10 @@ char * search_dll_in_path(struct ext_table * path, char * name)
 
 #ifdef SUPPORT_DYNAMIC_LINKING
 
+#ifndef RTLD_GLOBAL
+#define RTLD_GLOBAL 0
+#endif
+
 void * caml_dlopen(char * libname)
 {
   return dlopen(libname, RTLD_NOW|RTLD_GLOBAL);