support --without-openssl at configure time

Disables and removes dependency on OpenSSL. Many features don't
work and the set of crypto options is greatly restricted. This
will only work on system with native arc4random or /dev/urandom.

Considered highly experimental for now.

1 files changed, 12 insertions, 0 deletions

diff --git a/entropy.c b/entropy.c
index 1e9d52ac..9305f89a 100644
--- a/entropy.c
+++ b/entropy.c
@@ -24,6 +24,8 @@
 
 #include "includes.h"
 
+#ifdef WITH_OPENSSL
+
 #include <sys/types.h>
 #include <sys/socket.h>
 #ifdef HAVE_SYS_UN_H
@@ -230,3 +232,13 @@ seed_rng(void)
 	if (RAND_status() != 1)
 		fatal("PRNG is not seeded");
 }
+
+#else /* WITH_OPENSSL */
+
+/* Handled in arc4random() */
+void
+seed_rng(void)
+{
+}
+
+#endif /* WITH_OPENSSL */