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-rw-r--r--libio/iofflush.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libio/iofflush.c b/libio/iofflush.c
index 106f55fd2c..236e145a91 100644
--- a/libio/iofflush.c
+++ b/libio/iofflush.c
@@ -50,6 +50,8 @@ weak_alias (_IO_fflush, fflush)
 libc_hidden_weak (fflush)
 
 #ifndef _IO_MTSAFE_IO
+strong_alias (_IO_fflush, __fflush_unlocked)
+libc_hidden_def (__fflush_unlocked)
 weak_alias (_IO_fflush, fflush_unlocked)
 libc_hidden_weak (fflush_unlocked)
 #endif