From e32c5e0f39fabfe6da7785ef46b082a42ea9f7eb Mon Sep 17 00:00:00 2001
From: Corentin Le Molgat <corentinl@google.com>
Date: Wed, 24 Apr 2024 09:04:21 -0700
Subject: [PATCH] algorithms: Fix windows build

dev note:
```
$ grep -rn "\bssize_t\b" /lib/gcc
/lib/gcc/x86_64-pc-linux-gnu/13.2.1/include/acc_prof.h:81:/* "The datatype 'ssize_t' means a signed 32-bit integer for a 32-bit binary
/lib/gcc/x86_64-pc-linux-gnu/13.2.1/include/stddef.h:216:typedef long ssize_t;
```
---
 ortools/algorithms/set_cover_model.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ortools/algorithms/set_cover_model.h b/ortools/algorithms/set_cover_model.h
index a67394a949..16a17f819a 100644
--- a/ortools/algorithms/set_cover_model.h
+++ b/ortools/algorithms/set_cover_model.h
@@ -14,7 +14,12 @@
 #ifndef OR_TOOLS_ALGORITHMS_SET_COVER_MODEL_H_
 #define OR_TOOLS_ALGORITHMS_SET_COVER_MODEL_H_
 
-#include <sys/types.h>
+#if defined(_MSC_VER)
+  #include <cstdint>
+  typedef  std::int64_t ssize_t;
+#else
+  #include <sys/types.h>
+#endif
 
 #include <string>
 #include <vector>