- (tim) [kex.c myproposal.h md-sha256.c openbsd-compat/sha2.c,h] Disable
   sha256 when openssl < 0.9.7. Patch from djm@. Corrections/testing by me.
diff --git a/md-sha256.c b/md-sha256.c
index 0b1ed58..064228a 100644
--- a/md-sha256.c
+++ b/md-sha256.c
@@ -17,8 +17,9 @@
 /* EVP wrapper for SHA256 */
 
 #include "includes.h"
+#include <openssl/opensslv.h>
 
-#ifndef HAVE_EVP_SHA256
+#if !defined(HAVE_EVP_SHA256) && (OPENSSL_VERSION_NUMBER >= 0x00907000L)
 
 #include <string.h>
 #include <openssl/evp.h>
@@ -80,5 +81,5 @@
 	return (&ssh_sha256);
 }
 
-#endif /* HAVE_EVP_SHA256 */
+#endif /* !defined(HAVE_EVP_SHA256) && (OPENSSL_VERSION_NUMBER >= 0x00907000L) */