From 81363283b45b9be1642d4ab2c8fab68340a1c8cd Mon Sep 17 00:00:00 2001
From: Lokomojo <2168418+Lokomojo@users.noreply.github.com>
Date: Mon, 8 Dec 2025 18:52:32 +0000
Subject: [PATCH] Copy .clang-format to bin root to prevent upstream settings
 being used by mistake

---
 cmake/modules/HCT.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cmake/modules/HCT.cmake b/cmake/modules/HCT.cmake
index bce41f5ec0..f6ffe5d5e4 100644
--- a/cmake/modules/HCT.cmake
+++ b/cmake/modules/HCT.cmake
@@ -13,6 +13,16 @@ if (NOT CLANG_FORMAT_EXE)
   endif ()
 endif ()
 
+# If an upstream folder contains a .clang-format, incorrect formatting may be
+# applied which causes the build to fail. Create a copy in the build dir
+# to ensure the right formatting is applied.
+get_filename_component(HLSL_SRC_ROOT "${CMAKE_CURRENT_LIST_DIR}/../.." ABSOLUTE)
+get_filename_component(HLSL_BIN_ROOT "${CMAKE_CURRENT_BINARY_DIR}/../.." ABSOLUTE)
+if (EXISTS "${HLSL_SRC_ROOT}/.clang-format")
+  file(MAKE_DIRECTORY "${HLSL_BIN_ROOT}")
+  file(CREATE_LINK "${HLSL_SRC_ROOT}/.clang-format" "${HLSL_BIN_ROOT}/.clang-format" COPY_ON_ERROR)
+endif()
+
 if (WIN32 AND NOT DEFINED HLSL_AUTOCRLF)
   find_program(git_executable NAMES git git.exe git.cmd)
   execute_process(COMMAND ${git_executable} config --get core.autocrlf