CMakeLists.txt

cmake_minimum_required(VERSION 3.14)
project(meojson CXX)

include_directories(./include)

option(BUILD_SAMPLE "Build sample in sample/sample.cpp" ON)
option(BUILD_BENCHMARK "Build benchmark in benchmark/benchmark.cpp" OFF)
option(ENABLE_NEON "Enable ARM NEON" OFF)
option(BUILD_TESTING "Build testing" ON)

set(CMAKE_CXX_STANDARD 17)

if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
    add_compile_options("/utf-8" "/W4" "/WX")
else()
    add_compile_options("-Wall;-Wextra;-Wpedantic;-Werror;-mtune=native")
    if(CMAKE_SYSTEM_PROCESSOR MATCHES "AMD64|EM64T|x86_64")
        add_compile_options("-msse4.1")
    endif()
endif()

if(ENABLE_NEON)
    add_compile_definitions(MEOJSON_ENABLE_NEON)
endif()

if (BUILD_SAMPLE)
    add_executable(sample sample/sample.cpp include/json.hpp)
    add_executable(json5_parse_sample sample/json5_parse.cpp include/json.hpp include/json5.hpp)
endif()

if (BUILD_TESTING)
    file(GLOB testing_src
        test/*.cpp
        test/*.h
        test/*.hpp
    )
    add_executable(testing ${testing_src} include/json.hpp)
    
    file(GLOB testing20_src
        test20/*.cpp
        test20/*.h
        test20/*.hpp
    )
    add_executable(testing20 ${testing20_src} include/json.hpp)
    set_target_properties(testing20
        PROPERTIES
        CXX_STANDARD 20
    )
endif()

if (BUILD_BENCHMARK)
    SET(CMAKE_BUILD_TYPE "Release")
    add_executable(benchmark benchmark/benchmark.cpp include/json.hpp)
    if(CMAKE_SYSTEM_PROCESSOR MATCHES "AMD64|EM64T|x86_64")
        if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "MSVC")
            target_compile_options(benchmark PRIVATE "/arch:AVX2")
        elseif(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "GNU|Clang")
            target_compile_options(benchmark PRIVATE "-mavx2")
        endif()
    endif()
endif()