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# Copyright Peter Dimov, Hans Dembinski 2018-2019
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
# We support CMake 3.5, but prefer 3.16 policies and behavior
cmake_minimum_required(VERSION 3.5...3.16)
project(boost_histogram VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
add_library(boost_histogram INTERFACE)
add_library(Boost::histogram ALIAS boost_histogram)
target_include_directories(boost_histogram INTERFACE include)
target_compile_features(boost_histogram INTERFACE cxx_std_14)
target_link_libraries(boost_histogram
INTERFACE
Boost::assert
Boost::config
Boost::core
Boost::mp11
Boost::throw_exception
Boost::variant2)
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
# Fetch support files
message(STATUS "Fetching BoostFetch.cmake")
file(DOWNLOAD
"https://raw.githubusercontent.com/boostorg/cmake/develop/include/BoostFetch.cmake"
"${CMAKE_BINARY_DIR}/fetch_and_include/BoostFetch.cmake"
)
include("${CMAKE_BINARY_DIR}/fetch_and_include/BoostFetch.cmake")
boost_fetch(boostorg/cmake TAG develop NO_ADD_SUBDIR)
FetchContent_GetProperties(boostorg_cmake)
list(APPEND CMAKE_MODULE_PATH ${boostorg_cmake_SOURCE_DIR}/include)
# Enable testing
include(CTest)
add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
if(BUILD_TESTING)
set(BUILD_TESTING OFF) # hide cache variable
boost_fetch(boostorg/assert TAG develop EXCLUDE_FROM_ALL)
boost_fetch(boostorg/config TAG develop EXCLUDE_FROM_ALL)
boost_fetch(boostorg/core TAG develop EXCLUDE_FROM_ALL)
boost_fetch(boostorg/mp11 TAG develop EXCLUDE_FROM_ALL)
boost_fetch(boostorg/throw_exception TAG develop EXCLUDE_FROM_ALL)
boost_fetch(boostorg/variant2 TAG develop EXCLUDE_FROM_ALL)
## No cmake support yet
# boost_fetch(boostorg/accumulators TAG develop)
# boost_fetch(boostorg/range TAG develop)
# boost_fetch(boostorg/serialization TAG develop)
# boost_fetch(boostorg/units TAG develop)
unset(BUILD_TESTING)
endif()
endif()
if(BOOST_SUPERPROJECT_VERSION)
include(BoostInstall)
boost_install(TARGETS boost_histogram HEADER_DIRECTORY include/)
endif()
if (BUILD_TESTING)
add_subdirectory(test)
# do not pollute the superproject with the benchmarks
if(NOT BOOST_SUPERPROJECT_VERSION)
add_subdirectory(benchmark)
endif()
endif()
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