CMAKE_step4:安装与测试

1.安装涉及到两部分：一是库的安装；另一个是主程序的安装；

库函数包括库与头文件；

• MathFunctions目录下CMakeLists.txt内容

add_library(MathFunctions mysqrt.cxx)

target_include_directories(MathFunctions
          INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
          )

install(TARGETS MathFunctions DESTINATION lib)
install(FILES MathFunctions.h DESTINATION include)

主程序包含主程序与配置文件

• 主程序CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

#set the project name and version
project(Tutorial VERSION 1.0)

#specify the C++ standard
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True)

option(USE_MYMATH "Use tutorial provided math implementati