From fe0faad28d26da88ce559550a36919d5f16a2781 Mon Sep 17 00:00:00 2001
From: Bart Janssens <bart@bartjanssens.org>
Date: Fri, 15 Apr 2022 00:47:21 +0200
Subject: [PATCH] Fix embedding with MSVC (#44976)

(cherry picked from commit c589e0d59541b1240f5bf77c7ce8c22594179e1b)
---
 src/support/dtypes.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/support/dtypes.h b/src/support/dtypes.h
index 9e3e17015e135..d49ae0b22b5f9 100644
--- a/src/support/dtypes.h
+++ b/src/support/dtypes.h
@@ -27,6 +27,16 @@
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 
+#if defined(_COMPILER_MICROSOFT_) && !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
+
+/* See https://github.com/JuliaLang/julia/pull/44587 */
+typedef intptr_t ssize_t;
+#define SSIZE_MAX INTPTR_MAX
+#define _SSIZE_T_
+#define _SSIZE_T_DEFINED
+
+#endif /* defined(_COMPILER_MICROSOFT_) && !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED) */
+
 #if !defined(_COMPILER_GCC_)
 
 #define strtoull                                            _strtoui64