cmake_minimum_required(VERSION 3.10)

# 设置CPP语言的标准
set(CMAKE_CXX_STANDARD 11)

# 设置项目的名称、版本号、采用的语言
project(Hello VERSION 1.0 LANGUAGES CXX)


# 查看项目的版本号
message(${PROJECT_VERSION} ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR})

# 查看安装目录
message(${CMAKE_INSTALL_PREFIX})

set(CMD 101011)

# option可选项开关命令/ ON , OFF
# option的应用可以用来控制一些流程开启和关闭
# 可以在命令行使用 -D<变量名> OF/OFF 来指定变量的打开和关闭
option(DATE_ENABLE_ONE "output date_01" ON)
if(DATE_ENABLE_ONE)
    set(DATE_ONE 20220725)
endif()

option(DATE_ENABLE_TWO "output date_02" OFF)
if(DATE_ENABLE_TWO)
    set(DATE_TWO 20220726)
endif()

# 设置配置文件
configure_file(config.h.in config.h)

# 设置cmake使用的编译器
set(CMAKE_CXX_COMPILER "D:/programs/mingw64/bin/c++.exe")

# 设置存放二进制文件的输出目录
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
# 设置存放库文件的输出目录
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)

message("开始构建源文件......")

add_subdirectory(calc)
# add_subdirectory(cal01)

# 生成可执行文件
add_executable(hello main.cpp)

# 指定所有目标的头文件路径
# 目录会被添加到当前文件的 INCLUDE_DIRECTORIES 属性中
# 当前文件的每一个目标文件的 INCLUDE_DIRECTORIES 属性也会添加该目录
# include_directories(${PROJECT_BINARY_DIR})

# 指定目标文件的头文件路径
target_include_directories(hello PUBLIC 
                           ${PROJECT_BINARY_DIR} 
                           ${PROJECT_SOURCE_DIR}/calc/header
                           ${PROJECT_SOURCE_DIR}/../lib)

# 指定链接的库文件
# 同 include_directories
link_libraries(addition)

# 指定目标文件链接的库
# 同 target_include_directories
# 链接的库可以是库名，或者绝对路径（必须保证文件存在）
target_link_libraries(hello PUBLIC addition)
target_link_libraries(hello PUBLIC subtract)
target_link_libraries(hello PUBLIC F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/libmultiply.a)
target_link_libraries(hello PUBLIC F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/libchu.dll)

install(TARGETS hello DESTINATION bin)

install(FILES ${PROJECT_BINARY_DIR}/config.h DESTINATION include)
install(FILES "F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/multiply.h" DESTINATION include)
install(FILES "F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/chu.h" DESTINATION include)

install(FILES "F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/libmultiply.a" DESTINATION lib)
install(FILES "F:/coder/code_excercise/cpp/cmake_syntax/syntax_demo_01/lib/libchu.dll" DESTINATION bin)