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# Copyright 2020-2022 The Mumble Developers. All rights reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file at the root of the
# Mumble source tree or at <https://www.mumble.info/LICENSE>.
# This function gets all included subdirectories in the given DIR recursively.
# It'll write the found subdirs into SUBDIRS.
# Note that the DIR itself will not be added to SUBDIRS
# Note also that a subdirectory in this context is a dir that has been included with the
# add_subdirectory command.
function(get_subdirectories SUBDIRS DIR)
# Get the defined subdirs via the directory property
get_directory_property(NEW_SUBDIRS DIRECTORY "${DIR}" SUBDIRECTORIES)
# iterate all subdirs and call this function recursively to also get the
# subdirs of the subdirs (if any)
foreach(CURRENT_SUBDIR IN LISTS NEW_SUBDIRS)
get_subdirectories(REC_SUBDIRS "${CURRENT_SUBDIR}")
list(APPEND SUBDIRS ${REC_SUBDIRS})
endforeach()
list(APPEND SUBDIRS ${NEW_SUBDIRS})
# "Return" SUBDIRS
set(${SUBDIRS} PARENT_SCOPE)
endfunction()
# This function gets all defined targets in the given DIR or any of its
# subdirectories as returned by get_subdirectories. The found targets are
# written into DEFINED_TARGETS.
# Note: Only return compilable targets
function(get_targets DEFINED_TARGETS DIR)
# First get all defined subdirectories
get_subdirectories(SUBDIRS "${DIR}")
if(EXISTS "${DIR}/CMakeLists.txt")
# If the DIR itself contains a CMakeLists.txt file, add it to the
# list of directories to process as it may already define some targets
# itself.
list(APPEND SUBDIRS "${DIR}")
endif()
# Iterate over all directories and check each for the defined targets via the
# respective directory property.
foreach(CURRENT_SUBDIR IN LISTS SUBDIRS)
get_directory_property(NEW_TARGETS DIRECTORY "${CURRENT_SUBDIR}" BUILDSYSTEM_TARGETS)
foreach(CURRENT_TARGET IN LISTS NEW_TARGETS)
get_target_property(TARGET_TYPE "${CURRENT_TARGET}" TYPE)
# Only add the target if it is compilable
if("${TARGET_TYPE}" MATCHES "STATIC_LIBRARY|MODULE_LIBRARY|SHARED_LIBRARY|EXECUTABLE")
list(APPEND DEFINED_TARGETS ${CURRENT_TARGET})
endif()
endforeach()
endforeach()
# "Return" DEFINED_TARGETS
set(${DEFINED_TARGETS} PARENT_SCOPE)
endfunction()
# This function will disable all warnings for the targets defined in the given DIR
# or any of its subdirectories as returned by get_subdirectories.
function(disable_warnings_for_all_targets_in DIR)
# First get all targets
get_targets(DEFINED_TARGETS "${DIR}")
message(STATUS "Disabling warnings for targets: ${DEFINED_TARGETS}")
# Iterate over all targets and disable warnings for them
foreach(CURRENT_TARGET IN LISTS DEFINED_TARGETS)
target_disable_warnings("${CURRENT_TARGET}")
endforeach()
endfunction()
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