From 1a0ff5bdeaddac06c417951bf0d893e736043268 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Wed, 25 May 2016 23:05:37 +0300
Subject: [PATCH] (Really) turned off usage of libunwind in tcmalloc
 [#METR-20000].

---
 contrib/libtcmalloc/src/config.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/libtcmalloc/src/config.h b/contrib/libtcmalloc/src/config.h
index fe31fc8711f..b149026a647 100644
--- a/contrib/libtcmalloc/src/config.h
+++ b/contrib/libtcmalloc/src/config.h
@@ -94,7 +94,7 @@
 #define HAVE_INTTYPES_H 1
 
 /* Define to 1 if you have the <libunwind.h> header file. */
-#define HAVE_LIBUNWIND_H 0
+//#define HAVE_LIBUNWIND_H 1
 
 /* Define to 1 if you have the <linux/ptrace.h> header file. */
 #define HAVE_LINUX_PTRACE_H 1