From b0c92deb5d8d8828ef28f6e94092e87f0502c1b9 Mon Sep 17 00:00:00 2001
From: Sam Estep <sam@samestep.com>
Date: Fri, 1 Aug 2025 12:12:20 -0400
Subject: [PATCH] Allow building LLVM 13 with newer compilers

---
 external/build-llvm.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/external/build-llvm.sh b/external/build-llvm.sh
index 0575bf4bfb3..a160337d368 100755
--- a/external/build-llvm.sh
+++ b/external/build-llvm.sh
@@ -135,6 +135,8 @@ cmake_arguments_for_slang=(
   "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded$<$<CONFIG:Debug>:Debug>"
   "-DLLVM_USE_CRT_RELEASE=MT"
   "-DLLVM_USE_CRT_DEBUG=MTd"
+  # Allow building with newer compilers
+  -DCMAKE_CXX_FLAGS="-include cstdint"
 )
 build_dir=$source_dir/build
 mkdir -p "$build_dir"