121 lines
4.2 KiB
CMake
121 lines
4.2 KiB
CMake
cmake_minimum_required(VERSION 3.5)
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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##################################################
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# C++ standard version selection
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##################################################
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function(constexpr_if_std std_flag var)
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try_compile(
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worked
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${CMAKE_BINARY_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/constexpr_if.cpp
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COMPILE_DEFINITIONS ${std_flag} -DCHECK_CONSTEXPR_IF=1
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)
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set(${var} ${worked} PARENT_SCOPE)
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endfunction ()
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function(try_std_flag std_flag)
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try_compile(
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std_supported
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${CMAKE_BINARY_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/constexpr_if.cpp
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COMPILE_DEFINITIONS ${std_flag} -DCHECK_CONSTEXPR_IF=0
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)
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if (std_supported)
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message("-- Checking compiler flag ${std_flag} -- success")
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set(std_flag ${std_flag} PARENT_SCOPE)
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constexpr_if_std(${std_flag} have_constexpr_if)
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if (have_constexpr_if)
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set(constexpr_if_define -DBOOST_NO_CONSTEXPR_IF=0 PARENT_SCOPE)
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message("-- Checking constexpr if support -- success")
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else ()
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set(constexpr_if_define -DBOOST_NO_CONSTEXPR_IF=1 PARENT_SCOPE)
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message("-- Checking constexpr if support -- failed to compile")
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endif ()
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else ()
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message("-- Checking compiler flag ${std_flag} -- failed to compile")
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endif ()
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endfunction ()
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try_std_flag(-std=c++17)
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if (NOT std_flag)
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try_std_flag(-std=c++1z)
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elseif (NOT std_flag)
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try_std_flag(-std=c++14)
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elseif (NOT std_flag)
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try_std_flag(/std:c++14)
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elseif (NOT std_flag)
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message(FATAL_ERROR "Only c++14 or later will work")
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endif ()
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##################################################
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# Sanitizers
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##################################################
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set(USE_ASAN false CACHE BOOL "Set to true to enable -fsanitize=address when building tests.")
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set(USE_UBSAN false CACHE BOOL "Set to true to enable -fsanitize=undefined when building tests.")
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if (USE_ASAN AND USE_UBSAN)
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message(FATAL_ERROR "USE_ASAN and USE_UBSAN must not be enabled at the same time")
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elseif (USE_ASAN)
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set(compile_flags -fsanitize=address)
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set(link_flags -fsanitize=address)
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message("-- Using -fsanitize=address")
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elseif (USE_UBSAN)
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set(compile_flags -fsanitize=undefined)
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set(link_flags -fsanitize=undefined)
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message("-- Using -fsanitize=undefined")
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endif()
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##################################################
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# Code coverage
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##################################################
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if (UNIX)
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set(BUILD_COVERAGE false CACHE BOOL "Set to true to enable code coverage when building tests. Only Linux and Mac are supported.")
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if (BUILD_COVERAGE)
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message("-- Building for code coverage; disabling any sanitizers")
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if (APPLE)
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set(compile_flags -fprofile-arcs -ftest-coverage)
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set(CMAKE_BUILD_TYPE RelWithDebInfo)
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set(link_flags --coverage)
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else ()
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set(compile_flags --coverage)
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set(CMAKE_BUILD_TYPE RelWithDebInfo)
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set(link_flags --coverage)
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endif ()
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endif ()
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endif ()
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##################################################
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# Clang+Linux support
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##################################################
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set(clang_on_linux false)
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if (CMAKE_CXX_COMPILER_ID STREQUAL Clang)
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add_definitions(${std_flag} -stdlib=libc++ -g -Wall)
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if (CMAKE_SYSTEM_NAME STREQUAL Linux)
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set(clang_on_linux true)
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endif ()
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
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add_definitions(${std_flag} -g -Wall)
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endif ()
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##################################################
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# Dependencies
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##################################################
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include(dependencies)
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##################################################
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# yap library
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##################################################
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add_library(yap INTERFACE)
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target_include_directories(yap INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)
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target_link_libraries(yap INTERFACE boost)
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target_compile_definitions(yap INTERFACE ${constexpr_if_define} BOOST_ALL_NO_LIB=1)
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if (link_flags)
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target_link_libraries(yap INTERFACE ${link_flags})
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target_compile_options(yap INTERFACE ${compile_flags})
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endif ()
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add_subdirectory(test)
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add_subdirectory(example)
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add_subdirectory(perf)
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add_subdirectory(doc) # Doesn't build docs, just the snippets files.
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