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cmake_minimum_required(VERSION 3.3)
if(NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True)
endif()
function(find_external_dependency name)
set(${name}_ROOT "" CACHE PATH "Root directory to find ${name}")
mark_as_advanced(${name}_DIR)
find_package(${name} PATHS ${${name}_ROOT} REQUIRED)
endfunction()
project(Consumer)
find_external_dependency(MathFunctions)
add_library(consumer consumer.cxx)
target_link_libraries(consumer PUBLIC MathFunctions)
# install the consumer library
install(TARGETS consumer DESTINATION bin EXPORT ConsumerTargets)
# install the configuration targets
install(EXPORT ConsumerTargets
FILE ConsumerTargets.cmake
DESTINATION lib/cmake/Consumer
)
include(CMakePackageConfigHelpers)
# generate the config file that is includes the exports
configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/ConsumerConfig.cmake"
INSTALL_DESTINATION "lib/cmake/example"
NO_SET_AND_CHECK_MACRO
NO_CHECK_REQUIRED_COMPONENTS_MACRO
)
# install the configuration file
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/ConsumerConfig.cmake
DESTINATION lib/cmake/Consumer
)
# generate the export targets for the build tree
# needs to be after the install(TARGETS ) command
export(EXPORT ConsumerTargets
FILE "${CMAKE_CURRENT_BINARY_DIR}/ConsumerTargets.cmake"
)
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