openwrt-packages-dist/mail/postfix/patches/110-openssl-engine.patch

--- a/src/posttls-finger/posttls-finger.c
+++ b/src/posttls-finger/posttls-finger.c
@@ -374,7 +374,9 @@
 #include <tls.h>
 
 #ifdef USE_TLS
+#ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
+#endif
 #endif
 
  /*
@@ -1524,7 +1526,9 @@ static void ssl_cleanup(void)
 #else
     ERR_remove_state(0);		/* Deprecated with OpenSSL 1.0.0 */
 #endif
+#ifndef OPENSSL_NO_ENGINE
     ENGINE_cleanup();
+#endif
     CONF_modules_unload(1);
     ERR_free_strings();
     EVP_cleanup();