From 8770bd97dc12ea2d28e45d42157534324a151032 Mon Sep 17 00:00:00 2001
From: Patrick Wuttke <mewin@mewin.de>
Date: Tue, 24 Jun 2025 15:21:49 +0200
Subject: [PATCH] Made preprocessor with MSVC behave correctly.

---
 SConscript | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SConscript b/SConscript
index 64b8ab7..fe98247 100644
--- a/SConscript
+++ b/SConscript
@@ -1056,7 +1056,7 @@ elif env['COMPILER_FAMILY'] == 'cl':
     # C4251: missing dll-interface of some std types, yaml-cpp doesn't compile with this enabled
     # C4275: same as above
     env.Append(CCFLAGS = ['/W4', '/WX', '/wd4201', '/wd4127', '/wd4702', '/wd4251', '/wd4275', '/bigobj', '/vmg',
-                          f'/std:{cxx_version_name}', '/permissive-', '/FS', '/Zc:char8_t', '/utf-8'])
+                          f'/std:{cxx_version_name}', '/permissive-', '/FS', '/Zc:char8_t', '/utf-8', '/Zc:preprocessor'])
     env.Append(CPPDEFINES = ['_CRT_SECURE_NO_WARNINGS']) # I'd like to not use MSVC specific versions of functions because they are "safer" ...
     env.Append(DEPS_CXXFLAGS = ['/Zc:char8_t', '/utf-8', '/vmg'])
     if env['CXX_NO_EXCEPTIONS']: