Make sure we get the definition of OPENSSL_NO_HMAC.

diff --git a/crypto/hmac/hmac.h b/crypto/hmac/hmac.h
index 0364a1fcbd93485c0808b7ef0d0cf530c35f804d..72077ad19e5a750a4b0f257338e549cd8a360944 100644 (file)
--- a/crypto/hmac/hmac.h
+++ b/crypto/hmac/hmac.h
@@ -58,6 +58,8 @@
 #ifndef HEADER_HMAC_H
 #define HEADER_HMAC_H
 
+#include <openssl/opensslconf.h>
+
 #ifdef OPENSSL_NO_HMAC
 #error HMAC is disabled.
 #endif