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.
diff --git a/kexdhc.c b/kexdhc.c
index f7a19fc..53c3d9b 100644
--- a/kexdhc.c
+++ b/kexdhc.c
@@ -25,6 +25,8 @@
#include "includes.h"
+#ifdef WITH_OPENSSL
+
#include <sys/types.h>
#include <openssl/dh.h>
@@ -159,3 +161,4 @@
BN_clear_free(shared_secret);
kex_finish(kex);
}
+#endif /* WITH_OPENSSL */