common.cmake

if(CMAKE_HOST_APPLE)
  set(CMAKE_OSX_DEPLOYMENT_TARGET
      "11.0"
      CACHE STRING "Minimum OS X version")
endif()

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION
                                            VERSION_LESS 8)
  message(FATAL_ERROR "GCC版本需要至少8.0以支持C++20。")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND CMAKE_CXX_COMPILER_VERSION
                                                  VERSION_LESS 10)
  message(FATAL_ERROR "Clang版本需要至少10.0以支持C++20。")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND CMAKE_CXX_COMPILER_VERSION
                                                 VERSION_LESS 19.28)
  message(FATAL_ERROR "MSVC版本需要至少2019 16.10以支持C++20。")
endif()

set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_DEBUG_POSTFIX d)

if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  message("Setting build type to 'RelWithDebInfo' as none was specified.")
  set(CMAKE_BUILD_TYPE
      RelWithDebInfo
      CACHE STRING "Choose the type of build." FORCE)
  # Set the possible values of build type for cmake-gui
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
                                               "MinSizeRel" "RelWithDebInfo")
endif()

if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  set(BITS "64")
else()
  set(BITS "32")
endif()

message(STATUS "Current Platform is ${BITS} bits.")

set(EXECUTABLE_OUTPUT_PATH
    ${PROJECT_SOURCE_DIR}/bin-${BITS}/${CMAKE_BUILD_TYPE})
set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin-${BITS}/libs)
link_directories(${LIBRARY_OUTPUT_PATH})

include_directories(${PROJECT_SOURCE_DIR})