cmake_minimum_required(VERSION 3.5)
project(volume_control)

# Default to C99
if(NOT CMAKE_C_STANDARD)
  set(CMAKE_C_STANDARD 99)
endif()

# Default to C++14
if(NOT CMAKE_CXX_STANDARD)
  set(CMAKE_CXX_STANDARD 14)
endif()

if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
  add_compile_options(-Wall -Wextra -Wpedantic)
endif()

# find dependencies
find_package(ament_cmake REQUIRED)
find_package(rclcpp REQUIRED)
find_package(example_interfaces REQUIRED)
# 搜索依赖
find_package(rclcpp REQUIRED)
find_package(example_interfaces REQUIRED)
# 创建可执行程序server，后续参数是构成可执行文件的所有源文件
add_executable(server src/vol_server.cpp)
# 链接find_package()找到的包
ament_target_dependencies(server rclcpp example_interfaces)
add_executable(client src/vol_client.cpp)
ament_target_dependencies(client rclcpp example_interfaces)

install(TARGETS
    server
    client
    DESTINATION lib/${PROJECT_NAME})
if(BUILD_TESTING)
  find_package(ament_lint_auto REQUIRED)
  # the following line skips the linter which checks for copyrights
  # uncomment the line when a copyright and license is not present in all source files
  #set(ament_cmake_copyright_FOUND TRUE)
  # the following line skips cpplint (only works in a git repo)
  # uncomment the line when this package is not in a git repo
  #set(ament_cmake_cpplint_FOUND TRUE)
  ament_lint_auto_find_test_dependencies()
endif()

ament_package()
