From 412447ac416ce76ba2a9bebbea8917258ed4c81e Mon Sep 17 00:00:00 2001
From: Andras Fekete <andras@wolfssl.com>
Date: Wed, 15 May 2024 16:54:55 -0400
Subject: [PATCH] Enable OPTION_CHECKING by default

This should halt `./configure` when an option is passed that is not recognized.
---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 699b1ccab..ead308df4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -100,6 +100,9 @@ else
     REPRODUCIBLE_BUILD_DEFAULT=no
 fi
 
+# Fail when an option is passed that is not recognized
+m4_divert_once([DEFAULTS], [enable_option_checking=fatal])
+
 # Allow experimental settings
 AC_ARG_ENABLE([experimental],
     [AS_HELP_STRING([--enable-experimental],[Allow experimental settings in the configuration (default: disabled)])],