From fbf8c940e529934df53fb70d3f7b5f224cd77597 Mon Sep 17 00:00:00 2001
From: Paul Smith <psmith@gnu.org>
Date: Sat, 18 Feb 2023 13:48:27 -0500
Subject: [PATCH] * src/makeint.h (WIN32_LEAN_AND_MEAN) [Windows]: Don't
 redefine.

Suggested for tcc builds by Christian Jullien <eligis@orange.fr>.
---
 src/makeint.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/makeint.h b/src/makeint.h
index 1e1596d2..085a4ea8 100644
--- a/src/makeint.h
+++ b/src/makeint.h
@@ -393,7 +393,9 @@ extern int unixy_shell;
 # endif
 
 /* Include only the minimal stuff from windows.h.   */
-# define WIN32_LEAN_AND_MEAN
+# ifndef WIN32_LEAN_AND_MEAN
+#  define WIN32_LEAN_AND_MEAN
+# endif
 #endif  /* WINDOWS32 */
 
 /* ALL_SET() evaluates the second argument twice.  */