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ament_export_dependencies.cmake
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ament_export_dependencies.cmake
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# Copyright 2014 Open Source Robotics Foundation, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Export dependencies to downstream packages.
#
# Each package name must be find_package()-able with the exact same case.
# Additionally the exported variables must have a prefix with the same case
# and the suffixes must be INCLUDE_DIRS and LIBRARIES.
#
# :param ARGN: a list of package names
# :type ARGN: list of strings
#
# @public
#
macro(ament_export_dependencies)
if(_${PROJECT_NAME}_AMENT_PACKAGE)
message(FATAL_ERROR
"ament_export_dependencies() must be called before ament_package()")
endif()
if(${ARGC} GREATER 0)
_ament_cmake_export_dependencies_register_package_hook()
foreach(_arg ${ARGN})
# only pass package name
# will be resolved by downstream packages
# must be find_package()-able
# and provide _INCLUDE_DIRS and _LIBRARIES
list(APPEND _AMENT_CMAKE_EXPORT_DEPENDENCIES "${_arg}")
endforeach()
endif()
endmacro()