1 files changed, 3 insertions, 0 deletions
diff --git a/io/Versions b/io/Versions
index d816d03f07..ab489fd25e 100644
--- a/io/Versions
+++ b/io/Versions
@@ -9,6 +9,9 @@ libc {
     __xstat; __fxstat; __lxstat; __xmknod; __write; __close; __fcntl;
     __lseek; __open; __read;
 
+    # functions used by libstdc++ 2.7.2
+    __dup2; __pipe;
+
     # a*
     access;