| string(TOLOWER "${CMAKE_INSTALL_PREFIX}" _PREFIX) | |
| string(TOLOWER "${ITK_BINARY_DIR}" _BUILD) | |
| if("${_PREFIX}" STREQUAL "${_BUILD}") | |
| message(FATAL_ERROR | |
| "The current CMAKE_INSTALL_PREFIX points at the build tree:\n" | |
| " ${CMAKE_INSTALL_PREFIX}\n" | |
| "This is not supported." | |
| ) | |
| endif() |