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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 01:24:41 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 01:24:41 +0000 |
| commit | a9bcc81f821d7c66f623779fa5147e728eb3c388 (patch) | |
| tree | 98676963bcdd537ae5908a067a8eb110b93486a6 /cmake/PreventInSourceBuilds.cmake | |
| parent | Initial commit. (diff) | |
| download | freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.tar.xz freerdp3-a9bcc81f821d7c66f623779fa5147e728eb3c388.zip | |
Adding upstream version 3.3.0+dfsg1.upstream/3.3.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cmake/PreventInSourceBuilds.cmake')
| -rw-r--r-- | cmake/PreventInSourceBuilds.cmake | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/cmake/PreventInSourceBuilds.cmake b/cmake/PreventInSourceBuilds.cmake new file mode 100644 index 0000000..6488ced --- /dev/null +++ b/cmake/PreventInSourceBuilds.cmake @@ -0,0 +1,55 @@ +# PreventInSourceBuilds +# --------------------- +# +# Prevent in-source builds +# +# It is generally acknowledged that it is preferable to run CMake out of source, +# in a dedicated build directory. To prevent users from accidentally running +# CMake in the source directory, just include this module. + +option(ALLOW_IN_SOURCE_BUILD "[deprecated] Allow building in source tree" OFF) + +if (ALLOW_IN_SOURCE_BUILD) + set(CMAKE_DISABLE_SOURCE_CHANGES OFF CACHE INTERNAL "policy") + set(CMAKE_DISABLE_IN_SOURCE_BUILD OFF CACHE INTERNAL "policy") + if("${srcdir}" STREQUAL "${bindir}") + message(WARNING "Running in-source-tree build [ALLOW_IN_SOURCE_BUILD=ON]") + endif() +else() + set(CMAKE_DISABLE_SOURCE_CHANGES ON CACHE INTERNAL "policy") + set(CMAKE_DISABLE_IN_SOURCE_BUILD ON CACHE INTERNAL "policy") + + # make sure the user doesn't play dirty with symlinks + get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH) + get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH) + + # disallow in-source builds + if("${srcdir}" STREQUAL "${bindir}") + message(FATAL_ERROR "\ + +CMake must not to be run in the source directory. \ +Rather create a dedicated build directory and run CMake there. \ +CMake now already created some files, to clean up after this aborted in-source compilation: + rm -r CMakeCache.txt CMakeFiles +or + git clean -xdf + +If you happen to require in-source-tree builds for some reason rerun with -DALLOW_IN_SOURCE_BUILD=ON +") + endif() + +# Check for remnants of in source builds + if(EXISTS "${CMAKE_SOURCE_DIR}/CMakeCache.txt" OR EXISTS "${CMAKE_SOURCE_DIR}/CMakeFiles") + message(FATAL_ERROR " \ + +Remnants of in source CMake run detected, aborting! + +To clean up after this aborted in-source compilation: + rm -r CMakeCache.txt CMakeFiles +or + git clean -xdf + +If you happen to require in-source-tree builds for some reason rerun with -DALLOW_IN_SOURCE_BUILD=ON +") + endif() +endif() |