From 0fe8d483ce7904a1a1923bf9042454b34022a2f1 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 4 Dec 2017 15:42:46 +0100
Subject: [PATCH] kernel: install libelf

ORC unwinder (default on x86 since 4.15) requires it.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 kernel/build/setup | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/build/setup b/kernel/build/setup
index cb94adf9..9c4a0683 100644
--- a/kernel/build/setup
+++ b/kernel/build/setup
@@ -31,10 +31,12 @@ export LC_ALL=C # the following is vulnerable to i18n
 
 if test -f /etc/redhat-release ; then
     $SUDO yum install -y redhat-lsb-core
+    $SUDO yum install -y elfutils-libelf-devel  # for ORC unwinder
 fi
 
 if which apt-get > /dev/null ; then
     $SUDO apt-get install -y lsb-release
+    $SUDO apt-get install -y libelf-dev  # for ORC unwinder
 fi
 
 case $(lsb_release -si) in
-- 
2.39.5