Wrap OpenSSL bits in WITH_OPENSSL.

myproposal.h

@@ -24,7 +24,9 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifdef WITH_OPENSSL
 #include <openssl/opensslv.h>
+#endif
 
 /* conditional algorithm support */
 

sshbuf-getput-crypto.c

@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#ifdef WITH_OPENSSL
 #include <openssl/bn.h>
 #ifdef OPENSSL_HAS_ECC
 # include <openssl/ec.h>
@@ -182,4 +183,4 @@ sshbuf_put_eckey(struct sshbuf *buf, const EC_KEY *v)
 	    EC_KEY_get0_group(v));
 }
 #endif /* OPENSSL_HAS_ECC */
-
+#endif /* WITH_OPENSSL */