From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Tue, 25 Feb 2020 10:24:22 +0000 (+0100)
Subject: meson: turn implicit-function warnings into hard errors
X-Git-Tag: v5.1.0~34^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca65ac9399e7dfc7a08984a6f39ff8491ba8eba8;p=thirdparty%2Fknot-resolver.git

meson: turn implicit-function warnings into hard errors

I just saw a case with bad luajit includes that linked successfully even
with some of the macros getting this warning.
---

diff --git a/meson.build b/meson.build
index 38fef820c..bddbe49ec 100644
--- a/meson.build
+++ b/meson.build
@@ -115,6 +115,7 @@ add_project_arguments(
   '-Wformat-security',
   '-Wtype-limits',
   '-Wshadow',
+  '-Werror=implicit-function-declaration', # Probably messed up includes; implicit functions are evil!
   '-fvisibility=hidden',
   '-DHAVE_ASPRINTF=' + have_asprintf.to_int().to_string(),
   language: 'c',