From 571868c4f74d2a86db4f41e1d29b27159145f262 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Kn=C3=A1pek?= <knapek.mar@gmail.com>
Date: Fri, 15 Aug 2025 04:41:24 +0200
Subject: [PATCH] Fix for MSVC's usage of __declspec(align(#)).

---
 tccpp.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tccpp.c b/tccpp.c
index 092a4452..5556757e 100644
--- a/tccpp.c
+++ b/tccpp.c
@@ -117,7 +117,15 @@ ST_FUNC void expect(const char *msg)
 
 #define USE_TAL
 
-#define	POINTER_SIZE sizeof(void *)
+#ifdef _MSC_VER
+# if defined _M_AMD64 || defined _M_ARM64 || defined _M_ARM64EC || defined _M_IA64 || defined _M_X64
+#  define POINTER_SIZE 8
+# else
+#  define POINTER_SIZE 4
+# endif
+#else
+# define POINTER_SIZE sizeof(void *)
+#endif
 
 #ifndef USE_TAL
 #define tal_free(al, p) tcc_free(p)