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# Copyright 2019 Hans Dembinski
# 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
cmake_minimum_required(VERSION 3.6)
set(CMAKE_BUILD_TYPE Release) # ok, only set in local scope
if (NOT COMMAND boost_fetch)
# `function` confuses FetchContent, sees empty CMAKE_CURRENT_LIST_DIR
macro(fetch_and_include name)
message(STATUS "Fetching ${name}")
set(fetch_and_include_local_path "${CMAKE_BINARY_DIR}/fetch_and_include/${name}")
if(NOT EXISTS ${fetch_and_include_local_path})
file(DOWNLOAD
"https://raw.githubusercontent.com/boostorg/mincmake/develop/${name}"
"${CMAKE_BINARY_DIR}/fetch_and_include/${name}"
)
endif()
include("${CMAKE_BINARY_DIR}/fetch_and_include/${name}")
endmacro()
fetch_and_include(cmake/boost_fetch.cmake)
endif()
# allow benchmarks to build old versions of the code if we sit inside the boost metaproject
if (NOT TARGET boost_histogram)
add_library(boost_histogram INTERFACE)
add_library(Boost::histogram ALIAS boost_histogram)
target_compile_features(boost_histogram INTERFACE
cxx_alias_templates cxx_variadic_templates cxx_decltype_auto
cxx_defaulted_functions cxx_generic_lambdas cxx_range_for
cxx_relaxed_constexpr cxx_return_type_deduction)
target_include_directories(boost_histogram
INTERFACE
${CMAKE_CURRENT_SOURCE_DIR}/../include
${CMAKE_CURRENT_SOURCE_DIR}/../../../
)
set(BENCHMARK_FLAGS) # old versions don't work with -fno-exceptions
else()
set(BENCHMARK_FLAGS -fno-exceptions -fno-rtti)
endif()
option(BENCHMARK_ENABLE_TESTING "" OFF)
boost_fetch(hdembinski/benchmark)
macro(add_benchmark name)
add_executable(${name} "${name}.cpp")
target_compile_options(${name} PRIVATE
-DNDEBUG -O3 -march=native ${BENCHMARK_FLAGS} -funsafe-math-optimizations)
target_link_libraries(${name} PRIVATE Boost::histogram benchmark_main)
endmacro()
add_benchmark(axis_index)
add_benchmark(histogram_filling)
add_benchmark(histogram_iteration)
if (Threads_FOUND)
add_benchmark(histogram_parallel_filling)
endif()
find_package(GSL)
if (GSL_FOUND)
add_benchmark(histogram_filling_gsl)
target_include_directories(histogram_filling_gsl PRIVATE ${GSL_INCLUDE_DIRS})
target_link_libraries(histogram_filling_gsl
PRIVATE ${GSL_LIBRARIES} benchmark_main)
endif()
find_package(ROOT QUIET)
if (ROOT_FOUND)
add_benchmark(histogram_filling_root)
target_include_directories(histogram_filling_root PRIVATE ${ROOT_INCLUDE_DIRS})
target_link_libraries(histogram_filling_root
PRIVATE ${ROOT_LIBRARIES} benchmark_main)
target_compile_options(histogram_filling_root PRIVATE -frtti -fexceptions)
# target_link_options(histogram_filling_root
# PRIVATE ${ROOT_EXE_LINKER_FLAGS})
endif()
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