Index: building/MinGW/build.bat
===================================================================
--- building/MinGW/build.bat	(revision e16e1244b069bf7f503ff00586de9b4ff9146d33)
+++ building/MinGW/build.bat	(revision 021afa6273d63b70257e519bc9ba75da9839a887)
@@ -89,5 +89,5 @@
 set /p answer="cmake? (y/n) "
 if "!answer!"=="y" (
-  set CMAKE_TOOLCHAIN=!BUILD_DIR!\..\..\tol\cmake\mingw-m!platform!.toolchain.cmake
+  set CMAKE_TOOLCHAIN=!BUILD_DIR!\..\..\tol\cmake\mingw-m!platform!-O3-mtune_native.toolchain.cmake
   if "!project!"=="tol" (
     cmake -DCLAPACK_NAME=lapacke -DTOL_EXTERNAL_DEVEL_DIR="!TOL_CONTRIBS!" -DCMAKE_TOOLCHAIN_FILE="!CMAKE_TOOLCHAIN!" -DCMAKE_BUILD_TYPE=!mode! -G"CodeLite - MinGW Makefiles" "!PROJECT_DIR!"