--- work.orig/libarchive/archive_cryptor_private.h	2018-04-22 06:33:58.205352500 -0500
+++ work/libarchive/archive_cryptor_private.h	2018-04-22 07:01:39.353981900 -0500
@@ -64,12 +64,7 @@
 } archive_crypto_ctx;
 
 #elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
-#include <bcrypt.h>
-
-/* Common in other bcrypt implementations, but missing from VS2008. */
-#ifndef BCRYPT_SUCCESS
-#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS)
-#endif
+#include "bcrypt_with_vs2008.h"
 
 #define AES_MAX_KEY_SIZE 32
 #define AES_BLOCK_SIZE 16
--- work.orig/libarchive/archive_hmac_private.h	2018-04-22 06:33:58.565158400 -0500
+++ work/libarchive/archive_hmac_private.h	2018-04-22 07:01:16.915110000 -0500
@@ -64,7 +64,7 @@
 } archive_crypto_ctx;
 
 #elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
-#include <bcrypt.h>
+#include "bcrypt_with_vs2008.h"
 
 /* Common in other bcrypt implementations, but missing from VS2008. */
 #ifndef BCRYPT_SUCCESS
--- work.orig/libarchive/bcrypt_with_vs2008.h	2018-04-22 07:33:12.000000000 -0500
+++ work/libarchive/bcrypt_with_vs2008.h	2018-04-22 07:01:13.212019900 -0500
@@ -0,0 +1,14 @@
+#if !defined(BCRYPT_WITH_VS2008)
+#define BCRYPT_WITH_VS2008
+#include <bcrypt.h>
+
+/* Common in other bcrypt implementations, but missing from VS2008. */
+#ifndef BCRYPT_SUCCESS
+#ifndef NT_SUCCESS
+#define NT_SUCCESS(x) ((x)>=0)
+#define STATUS_SUCCESS ((NTSTATUS)0)
+#endif
+#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS)
+#endif
+
+#endif /* BCRYPT_WITH_VS2008 */