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, 3 insertions, 0 deletions

diff --git a/digest-openssl.c b/digest-openssl.c
index bb58ff226..13b63c2f0 100644
--- a/digest-openssl.c
+++ b/digest-openssl.c
@@ -17,6 +17,8 @@
 
 #include "includes.h"
 
+#ifdef WITH_OPENSSL
+
 #include <sys/types.h>
 #include <limits.h>
 #include <stdlib.h>
@@ -200,3 +202,4 @@ ssh_digest_buffer(int alg, const struct sshbuf *b, u_char *d, size_t dlen)
 {
         return ssh_digest_memory(alg, sshbuf_ptr(b), sshbuf_len(b), d, dlen);
 }
+#endif /* WITH_OPENSSL */