From 049015a7b8b00677b5cedfe70bb9eb249a2f1a4f Mon Sep 17 00:00:00 2001
From: Jesse Natalie <jenatali@microsoft.com>
Date: Thu, 30 Jan 2025 11:12:54 -0800
Subject: [PATCH] meson: Enable /Zc:preprocessor for MSVC

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33294>
---
 meson.build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/meson.build b/meson.build
index b639200c60c..181ebee9c9d 100644
--- a/meson.build
+++ b/meson.build
@@ -1099,6 +1099,7 @@ if cc.get_argument_syntax() == 'msvc'
     '/we4024',  # Error when passing different type of parameter
     '/we4189',  # 'identifier' : local variable is initialized but not referenced
     '/Zc:__cplusplus', #Set __cplusplus macro to match the /std:c++<version> on the command line
+    '/Zc:preprocessor', # Use the standards-conforming preprocessor
   ]
   c_args += cc.get_supported_arguments(_trial)
   cpp_args += cpp.get_supported_arguments(_trial)