From b5c04e2bca76ec45caf546d6ca5516e043e781a3 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Thu, 16 Apr 2020 23:23:57 -0400
Subject: [PATCH] CMakeLists: Make missing declarations a compile-time error

Ensures that our code always has its linkage explicit.
---
 src/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3719bbc7ca..3a57356ab3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -54,6 +54,7 @@ else()
     add_compile_options(
         -Wall
         -Werror=implicit-fallthrough
+        -Werror=missing-declarations
         -Werror=reorder
         -Wextra
         -Wmissing-declarations