98 lines
2.2 KiB
CMake
98 lines
2.2 KiB
CMake
# Copyright 2018, 2019 Peter Dimov
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# Distributed under the Boost Software License, Version 1.0.
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# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
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if(NOT CMAKE_VERSION VERSION_LESS 3.10)
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include_guard()
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endif()
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if(NOT COMMAND FetchContent_Populate)
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if(CMAKE_VERSION VERSION_LESS 3.11)
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message(STATUS "Fetching FetchContent.cmake")
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file(DOWNLOAD
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"https://gitlab.kitware.com/cmake/cmake/raw/v3.11.3/Modules/FetchContent.cmake"
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"${CMAKE_BINARY_DIR}/Modules/FetchContent.cmake"
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)
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file(DOWNLOAD
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"https://gitlab.kitware.com/cmake/cmake/raw/v3.11.3/Modules/FetchContent/CMakeLists.cmake.in"
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"${CMAKE_BINARY_DIR}/Modules/FetchContent/CMakeLists.cmake.in"
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)
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include(${CMAKE_BINARY_DIR}/Modules/FetchContent.cmake)
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else()
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include(FetchContent)
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endif()
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endif()
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function(boost_fetch)
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cmake_parse_arguments(_ "EXCLUDE_FROM_ALL;NO_ADD_SUBDIR" "TAG" "" ${ARGN})
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if(NOT __UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "boost_fetch: missing required argument, repository name")
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return()
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endif()
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list(GET __UNPARSED_ARGUMENTS 0 REPO)
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list(REMOVE_AT __UNPARSED_ARGUMENTS 0)
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if(__UNPARSED_ARGUMENTS)
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message(AUTHOR_WARNING "boost_fetch: extra arguments ignored: ${__UNPARSED_ARGUMENTS}")
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endif()
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if(NOT __TAG)
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set(__TAG master)
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endif()
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string(MAKE_C_IDENTIFIER ${REPO} NAME)
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if(CMAKE_VERSION VERSION_LESS 3.6)
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FetchContent_Declare(${NAME} QUIET GIT_REPOSITORY "https://github.com/${REPO}" GIT_TAG ${__TAG})
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else()
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FetchContent_Declare(${NAME} QUIET GIT_REPOSITORY "https://github.com/${REPO}" GIT_TAG ${__TAG} GIT_SHALLOW 1)
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endif()
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FetchContent_GetProperties(${NAME})
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if(NOT ${NAME}_POPULATED)
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message(STATUS "Fetching ${REPO}:${__TAG}")
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FetchContent_Populate(${NAME})
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if(__NO_ADD_SUBDIR)
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# Skip add_subdirectory
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elseif(__EXCLUDE_FROM_ALL)
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add_subdirectory(${${NAME}_SOURCE_DIR} ${${NAME}_BINARY_DIR} EXCLUDE_FROM_ALL)
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else()
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add_subdirectory(${${NAME}_SOURCE_DIR} ${${NAME}_BINARY_DIR})
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endif()
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endif()
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endfunction(boost_fetch)
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