From 94b236872ccccf07ce9531a5928d84d79aa287d0 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Tue, 2 Jan 2018 19:16:51 +0000
Subject: [PATCH] cmake: avoid unnecessary files creation in
 ocv_cmake_configure()

---
 cmake/OpenCVUtils.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
index 8b836c10eb..47e37a3b48 100644
--- a/cmake/OpenCVUtils.cmake
+++ b/cmake/OpenCVUtils.cmake
@@ -32,8 +32,8 @@ function(ocv_cmake_eval var_name)
 endfunction()
 
 macro(ocv_cmake_configure file_name var_name)
-  configure_file(${file_name} "${CMAKE_BINARY_DIR}/CMakeConfig-${var_name}.cmake" ${ARGN})
-  file(READ "${CMAKE_BINARY_DIR}/CMakeConfig-${var_name}.cmake" ${var_name})
+  file(READ "${file_name}" __config)
+  string(CONFIGURE "${__config}" ${var_name} ${ARGN})
 endmacro()
 
 macro(ocv_update VAR)