From 28b11d0f66df2e2b8b9cd50bb8a2bfe9bb267e26 Mon Sep 17 00:00:00 2001
From: Joao Matos <joao@tritao.eu>
Date: Fri, 29 Sep 2023 20:14:44 +0100
Subject: [PATCH] Workaround build errors with VS2019.

---
 build/llvm/LLVM.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build/llvm/LLVM.lua b/build/llvm/LLVM.lua
index f375b39e9..df1f5ca00 100644
--- a/build/llvm/LLVM.lua
+++ b/build/llvm/LLVM.lua
@@ -240,6 +240,12 @@ function cmake(gen, conf, builddir, options)
 
 	if os.ishost("windows") then
 		options = options .. " -Thost=x64"
+
+		-- Workaround build failure due to bugs in older Windows SDK headers
+		local vsver = get_vs_version()
+		if vsver == "vs2019" then
+			options = options .. ' -DCMAKE_SYSTEM_VERSION=10.0.19041.0'
+		end
 	end
 
 	local cmd = cmake .. " -G " .. '"' .. gen .. '"'