From eb98ca17ce5ac5faafd5132e9008c9c1e66a52ce Mon Sep 17 00:00:00 2001
From: Alexander Shlemov <shlemovalex@gmail.com>
Date: Wed, 24 May 2017 00:42:25 +0300
Subject: [PATCH] Copy config only if it's absent

---
 configs/CMakeLists.txt | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/configs/CMakeLists.txt b/configs/CMakeLists.txt
index 39dd8c9c..067e28be 100644
--- a/configs/CMakeLists.txt
+++ b/configs/CMakeLists.txt
@@ -5,7 +5,9 @@ file(GLOB config_templates "*/*.template")
 foreach(config_template ${config_templates})
   # Remove extention
   STRING(REGEX REPLACE "\\.template$" "" config ${config_template})
-  configure_file("${config_template}"
-                 "${config}"
-                 @ONLY)
+  if(NOT EXISTS "${config}")
+    configure_file("${config_template}"
+                    "${config}"
+                    @ONLY)
+  endif()
 endforeach()