From 7cc96c9216c51d8e6aaca3ec7e5d0c3b63a7b8e0 Mon Sep 17 00:00:00 2001
From: Peter Powell <petpow@saberuk.com>
Date: Tue, 16 May 2017 11:18:10 +0100
Subject: Warn the user about clock drifting when running on OpenVZ.

---
 configure | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index d2da2a9ef..51100a4f7 100755
--- a/configure
+++ b/configure
@@ -240,6 +240,15 @@ $config{UID}  = $user[2];
 # Clear the screen.
 system 'tput', 'clear' if $interactive;
 
+# Warn the user about clock drifting when running on OpenVZ.
+if (-e '/proc/user_beancounters' || -e '/proc/vz/vzaquota') {
+	print_warning <<'EOW';
+You are building InspIRCd inside of an an OpenVZ container. If you
+plan to use InspIRCd in this container then you should make sure that NTP is
+configured on the Hardware Node. Failure to do so may result in clock drifting!
+EOW
+}
+
 # Check that the user actually wants this version.
 if ($version{LABEL} ne 'release') {
 	print_warning <<'EOW';
-- 
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