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cmake_minimum_required(VERSION 3.12)
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project(md5sum LANGUAGES CXX)
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# ------------------------------------------------------------------------------------ #
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option(MD5_SHARED_LIB "Built as a dynamic library." OFF)
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option(MD5_ENABLE_TESTING "Enable testing of the md5sum library." ON)
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option(MD5_ENABLE_BENCHMARK "Enable benchmark of the md5sum library." ON)
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# ------------------------------------------------------------------------------------ #
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set(CXX_STANDARDS)
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foreach (CXX_FEATURE ${CMAKE_CXX_COMPILE_FEATURES})
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if (CXX_FEATURE MATCHES "^cxx_std_[0-9]+$")
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string(REGEX MATCH "[0-9]+$" CXX_STANDARD ${CXX_FEATURE})
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list(APPEND CXX_STANDARDS ${CXX_STANDARD}) # supported c++ standards
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endif()
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endforeach()
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if (NOT 17 IN_LIST CXX_STANDARDS)
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message(FATAL_ERROR "MD5 project require at least C++17.")
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endif()
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list(GET CXX_STANDARDS -1 MD5_CXX_STANDARD) # select the latest C++ standard
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message(STATUS "MD5 CXX Standard: ${MD5_CXX_STANDARD}")
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set(CMAKE_CXX_STANDARD ${MD5_CXX_STANDARD})
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# ------------------------------------------------------------------------------------ #
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if (NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release) # using release build in default
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endif()
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add_compile_options(-Wall -Wextra)
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file(GLOB MD5_SRC src/impl/*.cc)
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if (NOT MD5_SHARED_LIB)
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add_library(md5sum STATIC ${MD5_SRC})
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else()
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add_library(md5sum SHARED ${MD5_SRC})
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target_compile_options(md5sum PRIVATE -fvisibility=hidden)
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endif()
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target_include_directories(md5sum PUBLIC src/)
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set(MD5_COMPILE_OPTIONS -fno-rtti -fno-exceptions -pedantic)
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target_compile_options(md5sum PRIVATE ${MD5_COMPILE_OPTIONS})
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add_library(md5sum::md5sum ALIAS md5sum)
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# ------------------------------------------------------------------------------------ #
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include(third_party/ThirdParty.cmake)
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if (MD5_ENABLE_TESTING)
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enable_testing()
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file(GLOB MD5_TEST_SRC test/*.cc)
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add_executable(md5_test ${MD5_TEST_SRC})
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target_link_libraries(md5_test PRIVATE md5sum GTest::gtest_main)
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add_test(NAME md5_test COMMAND md5_test)
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endif()
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if (MD5_ENABLE_BENCHMARK)
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add_executable(md5_benchmark benchmark.cc)
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target_link_libraries(md5_benchmark PRIVATE md5sum benchmark::benchmark_main)
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target_compile_options(md5_benchmark PRIVATE -fno-rtti -fno-exceptions)
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endif()
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# ------------------------------------------------------------------------------------ #
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