- (tim) [mac.c myproposal.h] Wrap SHA256 and SHA512 in ifdefs for
   OpenSSL 0.9.7. ok djm
diff --git a/mac.c b/mac.c
index 4965f38..eef50f4 100644
--- a/mac.c
+++ b/mac.c
@@ -57,10 +57,12 @@
 } macs[] = {
 	{ "hmac-sha1",			SSH_EVP, EVP_sha1, 0, -1, -1 },
 	{ "hmac-sha1-96",		SSH_EVP, EVP_sha1, 96, -1, -1 },
+#ifdef HAVE_EVP_SHA256
 	{ "hmac-sha2-256",		SSH_EVP, EVP_sha256, 0, -1, -1 },
 	{ "hmac-sha2-256-96",		SSH_EVP, EVP_sha256, 96, -1, -1 },
 	{ "hmac-sha2-512",		SSH_EVP, EVP_sha512, 0, -1, -1 },
 	{ "hmac-sha2-512-96",		SSH_EVP, EVP_sha512, 96, -1, -1 },
+#endif
 	{ "hmac-md5",			SSH_EVP, EVP_md5, 0, -1, -1 },
 	{ "hmac-md5-96",		SSH_EVP, EVP_md5, 96, -1, -1 },
 	{ "hmac-ripemd160",		SSH_EVP, EVP_ripemd160, 0, -1, -1 },