From b25a9d3442ed1eaee15a111cc99e72c2156d61cc Mon Sep 17 00:00:00 2001
From: birolcapa <birolcapa@gmail.com>
Date: Mon, 19 Oct 2026 11:53:13 +0200
Subject: [PATCH] Update prebuild.cmake to use configure_file

Replace file rename with configure_file for copying.
COPYONLY leaves the destination (and its timestamp) untouched when unchanged, avoiding unnecessary rebuilds.
---
 cmake/prebuild.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/prebuild.cmake b/cmake/prebuild.cmake
index 61ed48c000..580ed0d76f 100644
--- a/cmake/prebuild.cmake
+++ b/cmake/prebuild.cmake
@@ -1605,7 +1605,8 @@ endif ()
     "#define GEMM_MULTITHREAD_THRESHOLD\t${GEMM_MULTITHREAD_THRESHOLD}\n")
   # Move to where gen_config_h would place it
   file(MAKE_DIRECTORY ${TARGET_CONF_DIR})
-  file(RENAME ${TARGET_CONF_TEMP} "${TARGET_CONF_DIR}/${TARGET_CONF}")
+  configure_file("${TARGET_CONF_TEMP}" "${TARGET_CONF_DIR}/${TARGET_CONF}" COPYONLY)
+  file(REMOVE "${TARGET_CONF_TEMP}")
 
 else(NOT CMAKE_CROSSCOMPILING)
   # compile getarch