From d32161bc4b272ba61d9f696b19ae98dfa87b1271 Mon Sep 17 00:00:00 2001
From: Ismael Luceno <ismael@iodev.co.uk>
Date: Fri, 25 Feb 2022 14:39:17 +0100
Subject: [PATCH] configure: Check enabled OpenSSL API in wolfSSL

Signed-off-by: Ismael Luceno <ismael@iodev.co.uk>
---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configure.ac b/configure.ac
index 4962adb6..ae6954c8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -202,6 +202,17 @@ AS_IF([test "x$with_ssl" != xno], [
     AC_DEFINE([HAVE_SSL], [1], [SSL])
     AS_CASE(["$with_ssl"],
 	[wolfssl], [
+	    AC_CHECK_DECLS([
+		X509_NAME_get_entry,
+		X509_get_ext_d2i,
+	        X509_V_OK
+	    ],, [
+	        AC_MSG_ERROR([wolfSSL with extra OpenSSL API compatibility required])
+	    ], [
+	        #include <wolfssl/options.h>
+		#include <wolfssl/wolfcrypt/settings.h>
+		#include <wolfssl/openssl/ssl.h>
+	    ])
 	    AC_DEFINE([HAVE_WOLFSSL], [1], [wolfSSL])
 	])
     PKG_CONFIG_PATH="$save_PKG_CONFIG_PATH"