1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
deleted file mode 100644
index 8d474d0d04..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Optional code to distinguish library flavours.  x86-64 version.
-   Copyright (C) 2015-2017 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
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _DL_LIBRECON_H
-
-#include <sysdeps/unix/sysv/linux/dl-librecon.h>
-
-/* Recognizing extra environment variables.  For 64-bit applications,
-   branch prediction performance may be negatively impacted when the
-   target of a branch is more than 4GB away from the branch.  Add the
-   Prefer_MAP_32BIT_EXEC bit so that mmap will try to map executable
-   pages with MAP_32BIT first.  NB: MAP_32BIT will map to lower 2GB,
-   not lower 4GB, address.  Prefer_MAP_32BIT_EXEC reduces bits available
-   for address space layout randomization (ASLR).  Prefer_MAP_32BIT_EXEC
-   is always disabled for SUID programs and can be enabled by setting
-   environment variable, LD_PREFER_MAP_32BIT_EXEC.  */
-#define EXTRA_LD_ENVVARS \
-  case 21:								  \
-    if (memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0)		  \
-      GLRO(dl_x86_cpu_features).feature[index_arch_Prefer_MAP_32BIT_EXEC] \
-	|= bit_arch_Prefer_MAP_32BIT_EXEC;				  \
-    break;
-
-/* Extra unsecure variables.  The names are all stuffed in a single
-   string which means they have to be terminated with a '\0' explicitly.  */
-#define EXTRA_UNSECURE_ENVVARS \
-  "LD_PREFER_MAP_32BIT_EXEC\0"
-
-#endif /* dl-librecon.h */