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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.4)
# Note: this is a header only library. If you have an older CMake than 3.4,
# just add the CLI11/include directory and that's all you need to do.
# Make sure users don't get warnings on a tested (3.4 to 3.22) version
# of CMake. For most of the policies, the new version is better (hence the change).
# We don't use the 3.4...3.21 syntax because of a bug in an older MSVC's
# built-in and modified CMake 3.11
if(${CMAKE_VERSION} VERSION_LESS 3.22)
cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
else()
cmake_policy(VERSION 3.22)
endif()
set(VERSION_REGEX "#define CLI11_VERSION[ \t]+\"(.+)\"")
# Read in the line containing the version
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/CLI/Version.hpp" VERSION_STRING
REGEX ${VERSION_REGEX})
# Pick out just the version
string(REGEX REPLACE ${VERSION_REGEX} "\\1" VERSION_STRING "${VERSION_STRING}")
# Add the project
project(
CLI11
LANGUAGES CXX
VERSION ${VERSION_STRING})
# Print the version number of CMake if this is the main project
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
message(STATUS "CMake ${CMAKE_VERSION}")
find_package(Doxygen)
if(CMAKE_VERSION VERSION_LESS 3.10)
message(STATUS "CMake 3.10+ adds Doxygen support. Update CMake to build documentation")
elseif(NOT Doxygen_FOUND)
message(STATUS "Doxygen not found, building docs has been disabled")
endif()
include(CTest)
else()
if(NOT DEFINED BUILD_TESTING)
set(BUILD_TESTING OFF)
endif()
endif()
include(CMakeDependentOption)
include(GNUInstallDirs)
if(NOT CMAKE_VERSION VERSION_LESS 3.11)
include(FetchContent)
endif()
list(APPEND force-libcxx "CMAKE_CXX_COMPILER_ID STREQUAL \"Clang\"")
list(APPEND force-libcxx "CMAKE_SYSTEM_NAME STREQUAL \"Linux\"")
list(APPEND force-libcxx "CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME")
list(APPEND build-docs "CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME")
list(APPEND build-docs "NOT CMAKE_VERSION VERSION_LESS 3.11")
list(APPEND build-docs "Doxygen_FOUND")
# Necessary to support paths with spaces, see #457
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/docs")
set(docs_EXIST TRUE)
else()
set(docs_EXIST FALSE)
endif()
list(APPEND build-docs "docs_EXIST")
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/examples")
set(examples_EXIST TRUE)
else()
set(examples_EXIST FALSE)
endif()
option(CLI11_WARNINGS_AS_ERRORS "Turn all warnings into errors (for CI)")
option(CLI11_SINGLE_FILE "Generate a single header file")
cmake_dependent_option(CLI11_SANITIZERS "Download the sanitizers CMake config" OFF
"NOT CMAKE_VERSION VERSION_LESS 3.11" OFF)
cmake_dependent_option(CLI11_BUILD_DOCS "Build CLI11 documentation" ON "${build-docs}" OFF)
cmake_dependent_option(CLI11_BUILD_TESTS "Build CLI11 tests" ON
"BUILD_TESTING;CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME" OFF)
cmake_dependent_option(CLI11_BUILD_EXAMPLES "Build CLI11 examples" ON
"CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME;${examples_EXIST}" OFF)
cmake_dependent_option(CLI11_BUILD_EXAMPLES_JSON "Build CLI11 json example" OFF
"CLI11_BUILD_EXAMPLES;NOT CMAKE_VERSION VERSION_LESS 3.11" OFF)
cmake_dependent_option(CLI11_SINGLE_FILE_TESTS "Duplicate all the tests for a single file build"
OFF "BUILD_TESTING;CLI11_SINGLE_FILE" OFF)
cmake_dependent_option(CLI11_INSTALL "Install the CLI11 folder to include during install process"
ON "CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME" OFF)
cmake_dependent_option(
CLI11_FORCE_LIBCXX "Force clang to use libc++ instead of libstdc++ (Linux only)" OFF
"${force-libcxx}" OFF)
cmake_dependent_option(
CLI11_CUDA_TESTS "Build the tests with NVCC to check for warnings there - requires CMake 3.9+"
OFF "CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME" OFF)
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
if(NOT DEFINED CMAKE_CXX_EXTENSIONS)
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
if(NOT DEFINED CMAKE_CXX_STANDARD_REQUIRED)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
# Allow IDE's to group targets into folders
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
endif()
# Special target that adds warnings. Is not exported.
add_library(CLI11_warnings INTERFACE)
set(unix-warnings -Wall -Wextra -pedantic -Wshadow -Wsign-conversion -Wswitch-enum)
# Clang warnings
# -Wfloat-equal could be added with Catch::literals and _a usage
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
list(
APPEND
unix-warnings
-Wcast-align
-Wimplicit-atomic-properties
-Wmissing-declarations
-Woverlength-strings
-Wshadow
-Wstrict-selector-match
-Wundeclared-selector)
# -Wunreachable-code Doesn't work on Clang 3.4
endif()
# Buggy in GCC 4.8
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
list(APPEND unix-warnings -Weffc++)
endif()
target_compile_options(
CLI11_warnings
INTERFACE $<$<BOOL:${CLI11_FORCE_LIBCXX}>:-stdlib=libc++>
$<$<CXX_COMPILER_ID:MSVC>:/W4
$<$<BOOL:${CLI11_WARNINGS_AS_ERRORS}>:/WX>>
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:${unix-warnings}
$<$<BOOL:${CLI11_WARNINGS_AS_ERRORS}>:-Werror>>)
if(NOT CMAKE_VERSION VERSION_LESS 3.13)
target_link_options(CLI11_warnings INTERFACE $<$<BOOL:${CLI11_FORCE_LIBCXX}>:-stdlib=libc++>)
endif()
# Allow IDE's to group targets into folders
add_library(CLI11 INTERFACE)
add_library(CLI11::CLI11 ALIAS CLI11) # for add_subdirectory calls
# Duplicated because CMake adds the current source dir if you don't.
target_include_directories(CLI11 INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
if(CMAKE_VERSION VERSION_LESS 3.8)
# This might not be a complete list
target_compile_features(
CLI11
INTERFACE cxx_lambdas
cxx_nullptr
cxx_override
cxx_range_for
cxx_right_angle_brackets
cxx_strong_enums
cxx_constexpr
cxx_auto_type)
else()
target_compile_features(CLI11 INTERFACE cxx_std_11)
endif()
# To see in IDE, headers must be listed for target
set(header-patterns "${PROJECT_SOURCE_DIR}/include/CLI/*")
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND NOT CMAKE_VERSION VERSION_LESS 3.12)
list(INSERT header-patterns 0 CONFIGURE_DEPENDS)
endif()
file(GLOB CLI11_headers ${header-patterns})
# Allow tests to be run on CUDA
if(CLI11_CUDA_TESTS)
enable_language(CUDA)
# Print out warning and error numbers
set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Xcudafe --display_error_number")
endif()
# This folder should be installed
if(CLI11_INSTALL)
install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
# Make an export target
install(TARGETS CLI11 EXPORT CLI11Targets)
# Use find_package on the installed package
# Since we have no custom code, we can directly write this
# to Config.cmake (otherwise we'd have a custom config and would
# import Targets.cmake
# Add the version in a CMake readable way
configure_file("cmake/CLI11ConfigVersion.cmake.in" "CLI11ConfigVersion.cmake" @ONLY)
# Make version available in the install
install(FILES "${PROJECT_BINARY_DIR}/CLI11ConfigVersion.cmake"
DESTINATION "${CMAKE_INSTALL_DATADIR}/cmake/CLI11")
# Install the export target as a file
install(
EXPORT CLI11Targets
FILE CLI11Config.cmake
NAMESPACE CLI11::
DESTINATION "${CMAKE_INSTALL_DATADIR}/cmake/CLI11")
# Use find_package on the installed package
export(
TARGETS CLI11
NAMESPACE CLI11::
FILE CLI11Targets.cmake)
include(cmake/CLI11GeneratePkgConfig.cmake)
# Register in the user cmake package registry
export(PACKAGE CLI11)
endif()
if(CLI11_SINGLE_FILE)
# Single file test
if(CMAKE_VERSION VERSION_LESS 3.12)
find_package(PythonInterp REQUIRED)
add_executable(Python::Interpreter IMPORTED)
set_target_properties(Python::Interpreter PROPERTIES IMPORTED_LOCATION "${PYTHON_EXECUTABLE}"
VERSION "${PYTHON_VERSION_STRING}")
else()
find_package(
Python
COMPONENTS Interpreter
REQUIRED)
endif()
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/include")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp"
COMMAND
Python::Interpreter "${CMAKE_CURRENT_SOURCE_DIR}/scripts/MakeSingleHeader.py"
${CLI11_headers} --main "${CMAKE_CURRENT_SOURCE_DIR}/CLI11.hpp.in" --output
"${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp" --version "${CLI11_VERSION}"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/CLI/CLI.hpp" ${CLI11_headers})
add_custom_target(CLI11-generate-single-file ALL
DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp")
set_property(TARGET CLI11-generate-single-file PROPERTY FOLDER "Scripts")
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp" DESTINATION include)
add_library(CLI11_SINGLE INTERFACE)
target_link_libraries(CLI11_SINGLE INTERFACE CLI11)
add_dependencies(CLI11_SINGLE CLI11-generate-single-file)
target_compile_definitions(CLI11_SINGLE INTERFACE -DCLI11_SINGLE_FILE)
target_include_directories(
CLI11_SINGLE INTERFACE $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include/>
$<INSTALL_INTERFACE:include>)
endif()
if(CLI11_BUILD_TESTS)
include(CTest)
add_subdirectory(tests)
endif()
if(CLI11_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()
if(CLI11_BUILD_DOCS)
add_subdirectory(docs)
endif()
# From a build system, this might not be included.
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/book")
add_subdirectory(book)
endif()
# Packaging support
set(CPACK_PACKAGE_VENDOR "github.com/CLIUtils/CLI11")
set(CPACK_PACKAGE_CONTACT "https://${CPACK_PACKAGE_VENDOR}")
set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR}) # Automatic in CMake 3.12+
set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR}) # Automatic in CMake 3.12+
set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH}) # Automatic in CMake 3.12+
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Command line parser with simple and intuitive interface")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/CLI11.CPack.Description.txt")
set(CPACK_SOURCE_GENERATOR "TGZ;ZIP")
# CPack collects *everything* except what's listed here.
set(CPACK_SOURCE_IGNORE_FILES
/.git
/dist
/.*build.*
/\\\\.DS_Store
/.*\\\\.egg-info
/var
/azure-pipelines.yml
/.ci
/docs
/examples
/test_package
/book
/.travis.yml
.swp
/.all-contributorsrc
/.appveyor.yml
/.pre-commit.*yaml)
set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "all")
set(CPACK_DEBIAN_COMPRESSION_TYPE "xz")
set(CPACK_DEBIAN_PACKAGE_NAME "libcli11-dev")
include(CPack)