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| author | levlam <levlam@telegram.org> | 2020-10-29 12:57:30 +0300 |
|---|---|---|
| committer | levlam <levlam@telegram.org> | 2020-10-29 12:57:30 +0300 |
| commit | 357ed48e0ec0df8cda9899fe59ff9af5228ca922 (patch) | |
| tree | 719d10e686e10e566affde424ce683531ea33793 /CMake/PreventInSourceBuild.cmake | |
| parent | ef1b2921ae6e193521f261d5eed14f96353ed210 (diff) | |
Add PreventInSourceBuild.cmake.
GitOrigin-RevId: a774b5aa7adbeb3ba974ff55a3de52f7d6371a49
Diffstat (limited to 'CMake/PreventInSourceBuild.cmake')
| -rw-r--r-- | CMake/PreventInSourceBuild.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/CMake/PreventInSourceBuild.cmake b/CMake/PreventInSourceBuild.cmake new file mode 100644 index 000000000..1815e82a2 --- /dev/null +++ b/CMake/PreventInSourceBuild.cmake @@ -0,0 +1,14 @@ +function(prevent_in_source_build) + get_filename_component(REAL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH) + get_filename_component(REAL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" REALPATH) + + if (REAL_BINARY_DIR STREQUAL REAL_SOURCE_DIR) + message(" Out-of-source build must be used. Remove the files already") + message(" created by CMake and rerun CMake from a new directory:") + message(" rm -rf CMakeFiles CMakeCache.txt") + message(" mkdir build") + message(" cd build") + message(" cmake ..") + message(FATAL_ERROR "In-source build failed.") + endif() +endfunction() |