CMake 3 (add_compile_options)

CMakeやります。ROS2の為に。

簡単な例を読み解こう

ここのCMakeLists.txtを読み解いていきます。

CMakeLists.txt


cmake_minimum_required(VERSION 3.8)
project(hello)

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)
# uncomment the following section in order to fill in
# further dependencies manually.
# find_package(<dependency> REQUIRED)

add_executable(hello_node src/hello_node.cpp)
target_include_directories(hello_node PUBLIC
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
  $<INSTALL_INTERFACE:include>
target_compile_features(hello_node PUBLIC c_std_99 cxx_std_17)  # Require C99 and C++17

install(TARGETS hello_node
  DESTINATION lib/${PROJECT_NAME})

if(BUILD_TESTING)
  find_package(ament_lint_auto REQUIRED)
  # the following line skips the linter which checks for copyrights
  # comment the line when a copyright and license is added to all source files
  set(ament_cmake_copyright_FOUND TRUE)
  # the following line skips cpplint (only works in a git repo)
  # comment the line when this package is in a git repo and when
  # a copyright and license is added to all source files
  set(ament_cmake_cpplint_FOUND TRUE)
  ament_lint_auto_find_test_dependencies()
endif()

ament_package()

add_compile_options

add_compile_options (3.27.4)

Add options to the compilation of source files.

使い方

上記の公式の例の様に、環境により分岐させる場合に有効です。

CMakeLists.txt


if (MSVC)
    # warning level 4
    add_compile_options(/W4)
else()
    # additional warnings
    add_compile_options(-Wall -Wextra -Wpedantic)
endif()

簡単な例を読み解こう

add_compile_options

使い方

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