+message(STATUS "CMake platform: ${CMAKE_SYSTEM}")
+message(STATUS "Build folder: ${AliRoot_BINARY_DIR}")
+message(STATUS "Source folder: ${AliRoot_SOURCE_DIR}")
+message(STATUS "Installation folder: ${CMAKE_INSTALL_PREFIX}")
+
+# You can change the build type using
+# cmake -DCMAKE_BUILD_TYPE=DEBUG | RELEASE | RELWITHDEBINFO | MINSIZEREL ...
+if (NOT CMAKE_BUILD_TYPE)
+ set(CMAKE_BUILD_TYPE RELWITHDEBINFO)
+endif(NOT CMAKE_BUILD_TYPE)
+message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
+
+
+if(CMAKE_INSTALL_PREFIX STREQUAL "${AliRoot_SOURCE_DIR}")
+ message(FATAL_ERROR "Please choose a different installation point than the source tree!")
+endif()
+