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# Extra tools for working with FetchContent on older CMake
#
# Copyright (c) 2024 Netdata Inc.
# SPDX-License-Identifier: GPL-3.0-or-later
# FetchContent_MakeAvailable_NoInstall
#
# Add a sub-project with FetchContent, but with the EXCLUDE_FROM_ALL
# argument for the add_subdirectory part.
#
# CMake 3.28 and newer provide a way to do this with an extra argument
# on FetchContent_Declare, but older versions need you to implement
# the logic yourself. Once we no longer support CMake versions older
# than 3.28, we can get rid of this macro.
#
# Unlike FetchContent_MakeAvailble, this only accepts a single project
# to make available.
macro(FetchContent_MakeAvailable_NoInstall name)
include(FetchContent)
FetchContent_GetProperties(${name})
if(NOT ${name}_POPULATED)
FetchContent_Populate(${name})
add_subdirectory(${${name}_SOURCE_DIR} ${${name}_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
endmacro()
# NETDATA_PROPAGATE_TOOLCHAIN_ARGS
#
# Defines a set of CMake flags to be passed to CMAKE_ARGS for
# FetchContent_Declare and ExternalProject_Add to ensure that toolchain
# configuration propagates correctly to sub-projects.
#
# This needs to be explicitly included for any sub-project that needs
# to be built for the target system.
set(NETDATA_PROPAGATE_TOOLCHAIN_ARGS
"-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
$<$<BOOL:${CMAKE_C_COMPILER_TARGET}>:-DCMAKE_C_COMPILER_TARGET=${CMAKE_C_COMPILER_TARGET}
$<$<BOOL:${CMAKE_CXX_COMPILER_TARGET}>:-DCMAKE_CXX_COMPILER_TARGET=${CMAKE_CXX_COMPILER_TARGET}")
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