From 7d40c99378fa2517e4b9168726b34db90c02e683 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Thu, 24 Feb 2011 16:39:04 +0000
Subject: (svn r22137) -Codechange: enable -Wnon-virtual-dtor for all GCC
 versions

---
 config.lib | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config.lib b/config.lib
index 5e3467a23..dc228de8c 100644
--- a/config.lib
+++ b/config.lib
@@ -1288,6 +1288,9 @@ make_compiler_cflags() {
 			# sure that they will not happen. It furthermore complains
 			# about its own optimized code in some places.
 			flags="$flags -fno-strict-overflow"
+			# GCC 4.2 no longer includes -Wnon-virtual-dtor in -Wall.
+			# Enable it in order to be consistent with older GCC versions.
+			flags="$flags -Wnon-virtual-dtor"
 		fi
 
 		if [ $cc_version -ge 43 ]; then
-- 
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