| # MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>) | |
| macro( MACRO_ENSURE_OUT_OF_SOURCE_BUILD _errorMessage ) | |
| string( COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" _insource ) | |
| if( _insource ) | |
| message( SEND_ERROR "${_errorMessage}" ) | |
| message( FATAL_ERROR | |
| "In-source builds are not allowed. | |
| CMake would overwrite the makefiles distributed with Compiler-RT. | |
| Please create a directory and run cmake from there, passing the path | |
| to this source directory as the last argument. | |
| This process created the file `CMakeCache.txt' and the directory `CMakeFiles'. | |
| Please delete them." | |
| ) | |
| endif( _insource ) | |
| endmacro( MACRO_ENSURE_OUT_OF_SOURCE_BUILD ) |