From be0d3e699401f8230fa88c28c52d73c57f13f327 Mon Sep 17 00:00:00 2001
From: Christoph Reiter <reiter.christoph@gmail.com>
Date: Sat, 11 May 2019 10:17:36 +0200
Subject: [PATCH] meson: define SIZEOF_LONG  and use -Wundef

meson builds defaulted to SIZEOF_LONG=0 in various places
---
 meson.build | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meson.build b/meson.build
index 1a11587..3a1a4c2 100644
--- a/meson.build
+++ b/meson.build
@@ -36,6 +36,7 @@ add_project_arguments(
     '-Wdeclaration-after-statement',
     '-fno-strict-aliasing',
     '-fvisibility=hidden',
+    '-Wundef',
   ]),
   language : ['c']
 )
@@ -445,6 +446,8 @@ if host_machine.endian() == 'big'
   config.set('WORDS_BIGENDIAN', 1)
 endif
 
+config.set('SIZEOF_LONG', cc.sizeof('long'))
+
 # Required to make pixman-private.h
 config.set('PACKAGE', 'foo')
 
-- 
2.24.1