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105 lines
4.1 KiB
CMake
105 lines
4.1 KiB
CMake
# Copyright (c) 2014 Jarryd Beck
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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cmake_minimum_required(VERSION 3.1)
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# parse the current version from the cxxopts header
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file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/cxxopts.hpp" cxxopts_version_defines
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REGEX "#define CXXOPTS__VERSION_(MAJOR|MINOR|PATCH)")
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foreach(ver ${cxxopts_version_defines})
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if(ver MATCHES "#define CXXOPTS__VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
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set(CXXOPTS__VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
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endif()
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endforeach()
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set(VERSION ${CXXOPTS__VERSION_MAJOR}.${CXXOPTS__VERSION_MINOR}.${CXXOPTS__VERSION_PATCH})
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message(STATUS "cxxopts version ${VERSION}")
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project(cxxopts VERSION "${VERSION}")
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enable_testing()
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option(CXXOPTS_BUILD_EXAMPLES "Set to ON to build examples" ON)
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option(CXXOPTS_BUILD_TESTS "Set to ON to build tests" ON)
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# request c++11 without gnu extension for the whole project and enable more warnings
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if (CXXOPTS_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD ${CXXOPTS_CXX_STANDARD})
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else()
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set(CMAKE_CXX_STANDARD 11)
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endif()
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set(CMAKE_CXX_EXTENSIONS OFF)
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if(MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W2")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -Wextra -Wshadow")
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endif()
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add_library(cxxopts INTERFACE)
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# optionally, enable unicode support using the ICU library
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set(CXXOPTS_USE_UNICODE_HELP FALSE CACHE BOOL "Use ICU Unicode library")
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if(CXXOPTS_USE_UNICODE_HELP)
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find_package(PkgConfig)
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pkg_check_modules(ICU REQUIRED icu-uc)
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target_link_libraries(cxxopts INTERFACE ${ICU_LDFLAGS})
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target_compile_options(cxxopts INTERFACE ${ICU_CFLAGS})
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target_compile_definitions(cxxopts INTERFACE CXXOPTS_USE_UNICODE)
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endif()
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target_include_directories(cxxopts INTERFACE
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
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$<INSTALL_INTERFACE:include>
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)
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include(CMakePackageConfigHelpers)
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set(CXXOPTS_CMAKE_DIR "lib/cmake/cxxopts" CACHE STRING
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"Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.")
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set(version_config "${PROJECT_BINARY_DIR}/cxxopts-config-version.cmake")
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set(project_config "${PROJECT_BINARY_DIR}/cxxopts-config.cmake")
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set(targets_export_name cxxopts-targets)
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# Generate the version, config and target files into the build directory.
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write_basic_package_version_file(
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${version_config}
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VERSION ${VERSION}
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COMPATIBILITY AnyNewerVersion)
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configure_package_config_file(
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${PROJECT_SOURCE_DIR}/cxxopts-config.cmake.in
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${project_config}
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INSTALL_DESTINATION ${CXXOPTS_CMAKE_DIR})
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export(TARGETS cxxopts NAMESPACE cxxopts::
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FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
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# Install version, config and target files.
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#install(
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# FILES ${project_config} ${version_config}
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# DESTINATION ${CXXOPTS_CMAKE_DIR})
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#install(EXPORT ${targets_export_name} DESTINATION ${CXXOPTS_CMAKE_DIR}
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# NAMESPACE cxxopts::)
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# Install the header file and export the target
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#install(TARGETS cxxopts EXPORT ${targets_export_name} DESTINATION lib)
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#install(FILES ${PROJECT_SOURCE_DIR}/include/cxxopts.hpp DESTINATION include)
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add_subdirectory(src)
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add_subdirectory(test)
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