mirror of https://github.com/FreeRDP/FreeRDP
56 lines
1.8 KiB
CMake
56 lines
1.8 KiB
CMake
# 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()
|