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Re: [PATCH] hurd: take __USE_EXTERN_INLINES into account

While working on it, I realized that there were more symbols which were
never exposed, and AIUI it's just by luck that glibc libraries never
made a reference to them, because gcc was by luck always inlining them.

	* hurd/Versions (libc: GLIBC_2.22): Add _hurd_fd_error_signal,
	_hurd_fd_error, __hurd_dfail, __hurd_sockfail,
	__hurd_threadvar_location_from_sp, __hurd_threadvar_location,
	_hurd_userlink_link, _hurd_userlink_unlink, _hurd_userlink_clear.

diff --git a/hurd/Versions b/hurd/Versions
index 77f5b42..91403a6 100644
--- a/hurd/Versions
+++ b/hurd/Versions
@@ -129,6 +129,14 @@ libc {
     # functions used in macros & inline functions
+  GLIBC_2.22 {
+    # These always existed as inlines but the real functions were not exported.
+    _hurd_fd_error_signal; _hurd_fd_error;
+    __hurd_dfail; __hurd_sockfail;
+    __hurd_threadvar_location_from_sp;
+    __hurd_threadvar_location;
+    _hurd_userlink_link; _hurd_userlink_unlink; _hurd_userlink_clear;
+  }
     # weak refs to libthreads functions that libc calls iff libthreads in use

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