From 70160ce8915b0040e2a7c495ad27b82565e2c5a1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Tue, 3 Oct 2017 12:11:49 +0200
Subject: [PATCH] build-sys: require all defines under #if to be present

This should help to catch any errors with typos and HAVE/ENABLE mismatches.
---
 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index 2b1da8a..da0f015 100644
--- a/meson.build
+++ b/meson.build
@@ -242,7 +242,7 @@ if cxx.found()
 endif
 
 foreach arg : ['-Wextra',
-               '-Wundef',
+               '-Werror=undef',
                '-Wlogical-op',
                '-Wmissing-include-dirs',
                '-Wold-style-definition',
-- 
2.7.4