From 6f2c087d425d7855418c21f5a946cc0e0deb8e56 Mon Sep 17 00:00:00 2001
From: Rob Crittenden <rcritten@redhat.com>
Date: Jan 22 2020 14:32:49 +0000
Subject: Make nss_engine_status() conditional on SSL_ENGINE_SET


This allows older versions of Apache (httpd-2.4.6-90.el7) to
build newer releases of mod_nss. nss_engine_status() is only
called by nss_engine_set().

Patch contributed by M. Lampe.

https://pagure.io/mod_nss/issue/49

---

diff --git a/mod_nss.c b/mod_nss.c
index c6b457b..6a15501 100644
--- a/mod_nss.c
+++ b/mod_nss.c
@@ -220,6 +220,11 @@ static SSLConnRec *nss_init_connection_ctx(conn_rec *c)
     return sslconn;
 }
 
+static APR_OPTIONAL_FN_TYPE(ssl_proxy_enable) *othermod_proxy_enable;
+static APR_OPTIONAL_FN_TYPE(ssl_engine_disable) *othermod_engine_disable;
+#ifdef SSL_ENGINE_SET
+static APR_OPTIONAL_FN_TYPE(ssl_engine_set) *othermod_engine_set;
+
 static int nss_engine_status(conn_rec *c, SSLConnRec *sslconn)
 {
     SSLSrvConfigRec *sc = mySrvConfig(c->base_server);
@@ -250,11 +255,6 @@ static int nss_engine_status(conn_rec *c, SSLConnRec *sslconn)
     return OK;
 }
 
-static APR_OPTIONAL_FN_TYPE(ssl_proxy_enable) *othermod_proxy_enable;
-static APR_OPTIONAL_FN_TYPE(ssl_engine_disable) *othermod_engine_disable;
-#ifdef SSL_ENGINE_SET
-static APR_OPTIONAL_FN_TYPE(ssl_engine_set) *othermod_engine_set;
-
 int nss_engine_set(conn_rec *c,
                    ap_conf_vector_t *per_dir_config,
                    int proxy, int enable)