CMakeLists.txt

# cmake 最低版本要求
cmake_minimum_required(VERSION 3.9)

# 定义工程名称
project(augus_cpp
    LANGUAGES C CXX
    VERSION 1.0.0
    DESCRIPTION "All my test in C++ or C.")

# 打印相关消息消息
message("Project Directory: ${PROJECT_SOURCE_DIR}")
message("Project Name: ${PROJECT_NAME}")
message("CMake Source Dir: ${CMAKE_CURRENT_SOURCE_DIR}")

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)

set(CMAKE_C_STANDARD 17)
set(CMAKE_C_STANDARD_REQUIRED True)

IF(WIN32)
    message(STATUS "Platform: WIN32")
ELSEIF(APPLE)
    message(STATUS "Platform: APPLE")
ELSEIF(UNIX)
    message(STATUS "Platform: UNIX")

# if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 5.1)
# message(STATUS "set CMAKE_CXX_FLAGS")
# # 设置为1时，编译器会链接到采用新ABI的libstdc++版本；而设置为0时，则链接到旧版ABI兼容的库版本
# set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-D_GLIBCXX_USE_CXX11_ABI=0")
# endif()
# 设置可执行文件的输出目录
# SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
# 分别设置了Debug版本和Release版本可执行文件的输出目录
# set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${PROJECT_SOURCE_DIR}/../bin)
# set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${PROJECT_SOURCE_DIR}/../bin)
# 设置库文件的输出目录
# SET(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)
# 分别设置了Debug版本和Release版本库文件的输出目录
# set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_DEBUG ${PROJECT_SOURCE_DIR}/../lib)
# set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_RELEASE ${PROJECT_SOURCE_DIR}/../lib)
ELSE()
    message(STATUS "Platform: OTHERS ${CMAKE_SYSTEM_NAME}")
ENDIF()

include_directories(
    ${CMAKE_CURRENT_SOURCE_DIR}
    ${CMAKE_CURRENT_BINARY_DIR}
    ${CMAKE_CURRENT_SOURCE_DIR}/include
)

# 当需要构建大型工程，各个子目录都有对应的CMakeList时，使用该条语法
# ALL SRC
file(GLOB SRC RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} src/*)

foreach(add_source ${SRC})
    if((add_source MATCHES "linux" OR add_source MATCHES "oatpp") AND NOT UNIX)
        message(STATUS ">> except ${add_source} in not unix")
        continue()
    endif()

    message(STATUS "add_source: ${add_source}")
    include_directories(${CMAKE_CURRENT_SOURCE_DIR}/${add_source})
    add_subdirectory(${add_source})
endforeach()

# 3rd
# fmt
add_subdirectory(3rd/fmt)

if(MSVC)
    add_compile_definitions(_CRT_SECURE_NO_WARNINGS)
endif(MSVC)

option(USE_OPENMP "flag to use OpenMP for multithreading" ON)

if(USE_OPENMP)
    find_package(OpenMP 3.0 COMPONENTS CXX)

    if(OpenMP_CXX_FOUND)
        message(STATUS "Building with OpenMP Multithreading.")
    else()
        message(STATUS "No OpenMP found, no multithreading.")
    endif()
endif()

cmake_policy(SET CMP0054 NEW)
cmake_policy(SET CMP0057 NEW)

# 指定编译类型 DEBUG/RELEASE
# set(cmake_build_type DEBUG)

# 指定编译器
# set(cmake_c_flags_debug "-g -Wall)

# 添加编译选项
# add_compile_options(-std=gnu++11)

# 设置option，可以根据option从而选择代码中的宏定义部分
# option(WIN_CLION_TEST "Enable windows clion tests" OFF)
#
# if(WIN_CLION_TEST)
# message(STATUS "Now WIN_CLION_TEST")
# add_definitions(-DWIN_CLION)
# endif(WIN_CLION_TEST)

# 要将 ADD_EXECUTABLE的声明放到设置库文件的TARGET_LINK_LIBRARIES之前

# 生成可执行文件
add_executable(${PROJECT_NAME} augus.cpp) # 设置生成的可执行文件名字，并且把可执行文件和编译源文件关联

if(OpenMP_CXX_FOUND)
    message(STATUS "link OpenMP")
    target_link_libraries(${PROJECT_NAME} OpenMP::OpenMP_CXX)
endif()

find_package(Threads REQUIRED)
target_link_libraries(${PROJECT_NAME} ${CMAKE_THREAD_LIBS_INIT})

set(AUGUS_LIBRARIES ${AUGUS_LIBRARIES} ${GOOGLE_LIBRARIES})

set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX)

target_link_libraries(${PROJECT_NAME} ${AUGUS_LIBRARIES})

# 生成库文件
# add_library(${PROJECT_NAME} SHARED ${DIR_SRC}) #这里生成库文件有两种形式，一种是STATIC 静态库，一种是SHARED 共享库，如果需要跨硬件运行，一般是生成共享库
# add_library(${PROJECT_NAME} STATIC ${DIR_SRC})
# target_link_library(${PROJECT_NAME} lib1,lib2,lib3)

# 指定编译包含的源文件 搜索所有的 cpp 文件
# aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/src DIR_SRC) # 搜索当前目录下的所有.cpp文件
# add_library(${PROJECT_NAME} ${DIR_SRC})
set(CPACK_PROJECT_NAME ${PROJECT_NAME})
set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
include(CPack)