1 files changed, 5 insertions, 3 deletions

diff --git a/src/lib/libcrypto/bf/blowfish.h b/src/lib/libcrypto/bf/blowfish.h
index 78acfd63b4..cd49e85ab2 100644
--- a/src/lib/libcrypto/bf/blowfish.h
+++ b/src/lib/libcrypto/bf/blowfish.h
@@ -59,11 +59,13 @@
 #ifndef HEADER_BLOWFISH_H
 #define HEADER_BLOWFISH_H
 
+#include <openssl/e_os2.h>
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#ifdef NO_BF
+#ifdef OPENSSL_NO_BF
 #error BF is disabled.
 #endif
 
@@ -77,9 +79,9 @@ extern "C" {
  * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  */
 
-#if defined(WIN16) || defined(__LP32__)
+#if defined(OPENSSL_SYS_WIN16) || defined(__LP32__)
 #define BF_LONG unsigned long
-#elif defined(_CRAY) || defined(__ILP64__)
+#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
 #define BF_LONG unsigned long
 #define BF_LONG_LOG2 3
 /*