# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1475677740 -7200
# Node ID 50dd3249732ebd501d71ce6031f62a53f71b3c8e
# Parent  7a969f235adf9b6a80cabf1177c0fd08b1f1a910
optimization for cmake

diff -r 7a969f235adf -r 50dd3249732e Resources/CMake/LibCurlConfiguration.cmake
--- a/Resources/CMake/LibCurlConfiguration.cmake	Mon Sep 19 17:22:41 2016 +0200
+++ b/Resources/CMake/LibCurlConfiguration.cmake	Wed Oct 05 16:29:00 2016 +0200
@@ -40,13 +40,15 @@
       )
   endif()
 
-  file(WRITE ${CURL_SOURCES_DIR}/lib/curl_config.h "")
+  if (NOT EXISTS "${CURL_SOURCES_DIR}/lib/curl_config.h")
+    file(WRITE ${CURL_SOURCES_DIR}/lib/curl_config.h "")
 
-  file(GLOB CURL_LIBS_HEADERS ${CURL_SOURCES_DIR}/lib/*.h)
-  foreach (header IN LISTS CURL_LIBS_HEADERS)
-    get_filename_component(filename ${header} NAME)
-    file(WRITE ${CURL_SOURCES_DIR}/lib/vtls/${filename} "#include \"../${filename}\"\n")
-  endforeach()
+    file(GLOB CURL_LIBS_HEADERS ${CURL_SOURCES_DIR}/lib/*.h)
+    foreach (header IN LISTS CURL_LIBS_HEADERS)
+      get_filename_component(filename ${header} NAME)
+      file(WRITE ${CURL_SOURCES_DIR}/lib/vtls/${filename} "#include \"../${filename}\"\n")
+    endforeach()
+  endif()
 
   if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR
       ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" OR