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Diffstat (limited to 'src/cmake/macros/CheckBuildDir.cmake')
| -rw-r--r-- | src/cmake/macros/CheckBuildDir.cmake | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/cmake/macros/CheckBuildDir.cmake b/src/cmake/macros/CheckBuildDir.cmake new file mode 100644 index 0000000000..085ca32746 --- /dev/null +++ b/src/cmake/macros/CheckBuildDir.cmake @@ -0,0 +1,23 @@ +# Copyright (C) +# +# This file is free software; as a special exception the author gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# +# Force out-of-source build +# + +string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" BUILDING_IN_SOURCE) + +if( BUILDING_IN_SOURCE ) + message(FATAL_ERROR " + This project requires an out of source build. Remove the file 'CMakeCache.txt' + found in this directory before continuing, create a separate build directory + and run 'cmake path_to_project [options]' from there. + ") +endif() |