9 files changed, 44 insertions, 0 deletions
diff --git a/libio/clearerr.c b/libio/clearerr.c
index 4776250ff8..3831c1cdae 100644
--- a/libio/clearerr.c
+++ b/libio/clearerr.c
@@ -28,3 +28,7 @@ clearerr (fp)
   _IO_clearerr (fp);
   _IO_funlockfile (fp);
 }
+
+#if defined weak_alias && !defined _IO_MTSAFE_IO
+weak_alias (clearerr, clearerr_unlocked)
+#endif
diff --git a/libio/feof.c b/libio/feof.c
index d06de044fb..74074263ad 100644
--- a/libio/feof.c
+++ b/libio/feof.c
@@ -40,4 +40,9 @@ _IO_feof (fp)
 
 #ifdef weak_alias
 weak_alias (_IO_feof, feof)
+
+#ifndef _IO_MTSAFE_IO
+#undef feof_unlocked
+weak_alias (_IO_feof, feof_unlocked)
+#endif
 #endif
diff --git a/libio/ferror.c b/libio/ferror.c
index 855627ade6..b9a3ee8ee1 100644
--- a/libio/ferror.c
+++ b/libio/ferror.c
@@ -40,4 +40,9 @@ _IO_ferror (fp)
 
 #ifdef weak_alias
 weak_alias (_IO_ferror, ferror)
+
+#ifndef _IO_MTSAFE_IO
+#undef ferror_unlocked
+weak_alias (_IO_ferror, ferror_unlocked)
+#endif
 #endif
diff --git a/libio/fputc.c b/libio/fputc.c
index 3ec8b693e9..4684af03e4 100644
--- a/libio/fputc.c
+++ b/libio/fputc.c
@@ -40,3 +40,8 @@ fputc (c, fp)
   _IO_cleanup_region_end (0);
   return result;
 }
+
+#if defined weak_alias && !defined _IO_MTSAFE_IO
+#undef fputc_unlocked
+weak_alias (fputc, fputc_unlocked)
+#endif
diff --git a/libio/getc.c b/libio/getc.c
index 6ccef9960d..b58ea99d1d 100644
--- a/libio/getc.c
+++ b/libio/getc.c
@@ -47,4 +47,10 @@ _IO_getc (fp)
 #ifdef weak_alias
 weak_alias (_IO_getc, getc)
 weak_alias (_IO_getc, fgetc)
+
+#ifndef _IO_MTSAFE_IO
+#undef getc_unlocked
+weak_alias (_IO_getc, getc_unlocked)
+weak_alias (_IO_getc, fgetc_unlocked)
+#endif
 #endif
diff --git a/libio/getchar.c b/libio/getchar.c
index 80c297f0ae..a7a1072027 100644
--- a/libio/getchar.c
+++ b/libio/getchar.c
@@ -40,3 +40,8 @@ getchar ()
   _IO_cleanup_region_end (0);
   return result;
 }
+
+#if defined weak_alias && !defined _IO_MTSAFE_IO
+#undef getchar_unlocked
+weak_alias (getchar, getchar_unlocked)
+#endif
diff --git a/libio/iofflush.c b/libio/iofflush.c
index 724ff26ac8..126947aace 100644
--- a/libio/iofflush.c
+++ b/libio/iofflush.c
@@ -47,4 +47,8 @@ _IO_fflush (fp)
 
 #ifdef weak_alias
 weak_alias (_IO_fflush, fflush)
+
+#ifndef _IO_MTSAFE_IO
+weak_alias (_IO_fflush, fflush_unlocked)
+#endif
 #endif
diff --git a/libio/putc.c b/libio/putc.c
index 72cd2a1a05..0236224cde 100644
--- a/libio/putc.c
+++ b/libio/putc.c
@@ -40,4 +40,9 @@ _IO_putc (c, fp)
 
 #ifdef weak_alias
 weak_alias (_IO_putc, putc)
+
+#ifndef _IO_MTSAFE_IO
+#undef putc_unlocked
+weak_alias (_IO_putc, putc_unlocked)
+#endif
 #endif
diff --git a/libio/putchar.c b/libio/putchar.c
index 143796d20c..e11e3d8f75 100644
--- a/libio/putchar.c
+++ b/libio/putchar.c
@@ -34,3 +34,8 @@ putchar (c)
   _IO_cleanup_region_end (0);
   return result;
 }
+
+#if defined weak_alias && !defined _IO_MTSAFE_IO
+#undef putchar_unlocked
+weak_alias (putchar, putchar_unlocked)
+#endif