From 7a1c7020db85699e0693d637f6e31d49bf9ca3d0 Mon Sep 17 00:00:00 2001
From: Rui Chen <rui@chenrui.dev>
Date: Sun, 25 May 2025 23:54:29 -0400
Subject: [PATCH] libvarnish: Fix endian.h compatibility for macOS builds

Signed-off-by: Rui Chen <rui@chenrui.dev>
---
 lib/libvarnish/vsha256.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/lib/libvarnish/vsha256.c b/lib/libvarnish/vsha256.c
index 29f97fe40..541b6e612 100644
--- a/lib/libvarnish/vsha256.c
+++ b/lib/libvarnish/vsha256.c
@@ -31,7 +31,14 @@
 
 #include "config.h"
 
-#ifndef __DARWIN_BYTE_ORDER
+#ifdef __APPLE__
+#  include <machine/endian.h>
+#  include <libkern/OSByteOrder.h>
+#  define htobe32(x) OSSwapHostToBigInt32(x)
+#  define htobe64(x) OSSwapHostToBigInt64(x)
+#  define VBYTE_ORDER __DARWIN_BYTE_ORDER
+#  define VBIG_ENDIAN __DARWIN_BIG_ENDIAN
+#else
 #  include <endian.h>
 #  ifdef _BYTE_ORDER
 #    define VBYTE_ORDER	_BYTE_ORDER
@@ -43,9 +50,6 @@
 #  else
 #    define VBIG_ENDIAN	__BIG_ENDIAN
 #  endif
-#else
-#  define VBYTE_ORDER	__DARWIN_BYTE_ORDER
-#  define VBIG_ENDIAN	__DARWIN_BIG_ENDIAN
 #endif
 
 #ifndef VBYTE_ORDER
-- 
2.49.0