[glibc/release/2.34/master] elf: Move LAV_CURRENT to link_lavcurrent.h

[Carlos O'Donell <carlos@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a31bbe3242266aaea423e5879f38aed69aea1d5e

commit a31bbe3242266aaea423e5879f38aed69aea1d5e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Jul 29 11:13:57 2021 -0300

    elf: Move LAV_CURRENT to link_lavcurrent.h
    
    No functional change.
    
    (cherry picked from commit 54816ae98d57930b7c945f17485714a5574bfe47)
    
    Resolved conflicts:
            elf/Makefile

Diff:
---
 bits/link_lavcurrent.h | 25 +++++++++++++++++++++++++
 elf/Makefile           |  1 +
 elf/link.h             |  2 +-
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/bits/link_lavcurrent.h b/bits/link_lavcurrent.h
new file mode 100644
index 0000000000..44fbea1e80
--- /dev/null
+++ b/bits/link_lavcurrent.h
@@ -0,0 +1,25 @@
+/* Data structure for communication from the run-time dynamic linker for
+   loaded ELF shared objects.  LAV_CURRENT definition.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _LINK_H
+# error "Never include <bits/link_lavcurrent.h> directly; use <link.h> instead."
+#endif
+
+/* Version numbers for la_version handshake interface.  */
+#define LAV_CURRENT	1
diff --git a/elf/Makefile b/elf/Makefile
index af4ccb978c..e9cc85544d 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -24,6 +24,7 @@ include ../Makeconfig
 headers = \
   bits/elfclass.h \
   bits/link.h \
+  bits/link_lavcurrent.h \
   elf.h \
   link.h \
   # headers
diff --git a/elf/link.h b/elf/link.h
index ff3a85c847..21a351686b 100644
--- a/elf/link.h
+++ b/elf/link.h
@@ -96,7 +96,7 @@ struct link_map
 #ifdef __USE_GNU
 
 /* Version numbers for la_version handshake interface.  */
-#define LAV_CURRENT	1
+#include <bits/link_lavcurrent.h>
 
 /* Activity types signaled through la_activity.  */
 enum