CMakeLists.txt
4.04 KB
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cmake_minimum_required(VERSION 3.4 FATAL_ERROR)
project(CLI11 LANGUAGES CXX)
SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
set(CLI_CXX_STD "11" CACHE STRING "The CMake standard to require")
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
set(CUR_PROJ ON)
set(CMAKE_CXX_STANDARD ${CLI_CXX_STD})
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Be moderately paranoid with flags
if(MSVC)
add_definitions("/W4")
else()
add_definitions("-Wall -Wextra -pedantic")
endif()
else()
set(CUR_PROJ OFF)
endif()
# Allow IDE's to group targets into folders
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(CMAKE_VERSION VERSION_GREATER 3.6)
# Add clang-tidy if available
option(CLANG_TIDY_FIX "Perform fixes for Clang-Tidy" OFF)
find_program(
CLANG_TIDY_EXE
NAMES "clang-tidy"
DOC "Path to clang-tidy executable"
)
if(CLANG_TIDY_EXE)
if(CLANG_TIDY_FIX)
set(DO_CLANG_TIDY "${CLANG_TIDY_EXE}" "-fix")
else()
set(DO_CLANG_TIDY "${CLANG_TIDY_EXE}")
endif()
endif()
endif()
if(CMAKE_BUILD_TYPE STREQUAL Coverage)
include(CodeCoverage)
setup_target_for_coverage(CLI_coverage ctest coverage)
endif()
file(GLOB CLI_headers "${CMAKE_CURRENT_SOURCE_DIR}/include/CLI/*")
# To see in IDE, must be listed for target
add_library(CLI11 INTERFACE)
# 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>)
# Make add_subdirectory work like find_package
add_library(CLI11::CLI11 ALIAS CLI11)
# This folder should be installed
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/CLI DESTINATION include)
# 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
# Make an export target
install(TARGETS CLI11
EXPORT CLI11Targets)
# Install the export target as a file
install(EXPORT CLI11Targets
FILE CLI11Config.cmake
NAMESPACE CLI11::
DESTINATION lib/cmake/CLI11)
# Use find_package on the installed package
export(TARGETS CLI11
NAMESPACE CLI11::
FILE CLI11Targets.cmake)
# Register in the user cmake package registry
export(PACKAGE CLI11)
# Single file test
find_package(PythonInterp)
if(CUR_PROJ AND PYTHONINTERP_FOUND)
set(CLI_SINGLE_FILE_DEFAULT ON)
else()
set(CLI_SINGLE_FILE_DEFAULT OFF)
endif()
option(CLI_SINGLE_FILE "Generate a single header file (and test)" ${CLI_SINGLE_FILE_DEFAULT})
if(CLI_SINGLE_FILE)
find_package(PythonInterp REQUIRED)
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/include")
add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp"
COMMAND "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/scripts/MakeSingleHeader.py" "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/CLI/CLI.hpp" ${CLI_headers}
)
add_custom_target(generate_cli_single_file ALL
DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp")
set_target_properties(generate_cli_single_file
PROPERTIES FOLDER "Scripts")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/include/CLI11.hpp DESTINATION include)
add_library(CLI11_SINGLE INTERFACE)
target_link_libraries(CLI11_SINGLE INTERFACE CLI11)
add_dependencies(CLI11_SINGLE generate_cli_single_file)
target_compile_definitions(CLI11_SINGLE INTERFACE -DCLI_SINGLE_FILE)
target_include_directories(CLI11_SINGLE INTERFACE "${CMAKE_CURRENT_BINARY_DIR}/include/")
endif()
option(CLI_SINGLE_FILE_TESTS "Duplicate all the tests for a single file build" OFF)
option(CLI_TESTING "Build the tests and add them" ${CUR_PROJ})
if(CLI_TESTING)
enable_testing()
add_subdirectory(tests)
endif()
option(CLI_EXAMPLES "Build the examples" ${CUR_PROJ})
if(CLI_EXAMPLES)
add_subdirectory(examples)
endif()