1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/generic/errno.c b/sysdeps/generic/errno.c
index e33c6b88ad..45c9639095 100644
--- a/sysdeps/generic/errno.c
+++ b/sysdeps/generic/errno.c
@@ -31,4 +31,15 @@ extern __thread int __libc_errno __attribute__ ((alias ("errno")))
    which can have an alias.  */
 int errno __attribute__ ((section (".bss")));
 strong_alias (errno, _errno)
+
+/* This alias is needed by libpthread.  */
+strong_alias (errno, __libc_errno)
+
+/* We declare these with compat_symbol so that they are not
+   visible at link time.  Programs must use the accessor functions.  */
+# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING
+#  include <shlib-compat.h>
+compat_symbol (libc, errno, errno, GLIBC_2_0);
+compat_symbol (libc, _errno, _errno, GLIBC_2_0);
+# endif
 #endif