From 33b87a210c84a73f6028a88b8daedb9a94793a65 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Tue, 7 Apr 2020 19:09:58 -0700
Subject: [PATCH] neverbleed: fix compilation when lacking engines

---
 neverbleed.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/neverbleed.c b/neverbleed.c
index 913096e..51da718 100644
--- a/neverbleed.c
+++ b/neverbleed.c
@@ -1507,6 +1507,7 @@ int neverbleed_init(neverbleed_t *nb, char *errbuf)
     close(pipe_fds[0]);
     pipe_fds[0] = -1;
 
+#ifndef OPENSSL_NO_ENGINE
     /* setup engine */
     if ((nb->engine = ENGINE_new()) == NULL || !ENGINE_set_id(nb->engine, "neverbleed") ||
         !ENGINE_set_name(nb->engine, "privilege separation software engine") || !ENGINE_set_RSA(nb->engine, rsa_method)
@@ -1518,6 +1519,7 @@ int neverbleed_init(neverbleed_t *nb, char *errbuf)
         goto Fail;
     }
     ENGINE_add(nb->engine);
+#endif
 
     /* setup thread key */
     pthread_key_create(&nb->thread_key, dispose_thread_data);
@@ -1536,7 +1538,9 @@ int neverbleed_init(neverbleed_t *nb, char *errbuf)
     if (listen_fd != -1)
         close(listen_fd);
     if (nb->engine != NULL) {
+#ifndef OPENSSL_NO_ENGINE
         ENGINE_free(nb->engine);
+#endif
         nb->engine = NULL;
     }
     return -1;