From fef549da1174fb99821d130db22d9b50ca53f9c0 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Fri, 5 Sep 2025 20:08:18 -0700
Subject: [PATCH] zlib: yet one more portability hack

... this time for Win64 ...

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
---
 zlib/zutil.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/zlib/zutil.h b/zlib/zutil.h
index 48dd7feba..8d628c7c2 100644
--- a/zlib/zutil.h
+++ b/zlib/zutil.h
@@ -168,7 +168,8 @@ extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 #endif
 
 /* provide prototypes for these when building zlib without LFS */
-#if !defined(_WIN32) && \
+#if 0 && /* NASM hack */                                         \
+    !defined(_WIN32) &&                                          \
     (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
     ZEXTERN uLong ZEXPORT adler32_combine64(uLong, uLong, z_off_t);
     ZEXTERN uLong ZEXPORT crc32_combine64(uLong, uLong, z_off_t);