2016-09-23 03:30:58 +08:00
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# Usage: vcpkg_download_distfile(<VAR> URL <http://...> FILENAME <output.zip> SHA512 <5981de...>)
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2016-09-19 11:50:08 +08:00
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function(vcpkg_download_distfile VAR)
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2016-09-23 03:30:58 +08:00
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set(oneValueArgs URL FILENAME SHA512)
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2016-09-19 11:50:08 +08:00
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cmake_parse_arguments(vcpkg_download_distfile "" "${oneValueArgs}" "" ${ARGN})
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if(EXISTS ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME})
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message(STATUS "Using cached ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME}")
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2016-09-23 03:30:58 +08:00
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file(SHA512 ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME} FILE_HASH)
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if(NOT FILE_HASH STREQUAL "${vcpkg_download_distfile_SHA512}")
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2016-09-19 11:50:08 +08:00
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message(FATAL_ERROR
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"File does not have expected hash: ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME}\n"
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2016-09-23 03:30:58 +08:00
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" '${FILE_HASH}' <> '${vcpkg_download_distfile_SHA512}'\n"
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2016-09-19 11:50:08 +08:00
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"Please delete the file and try again if this file should be downloaded again.")
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endif()
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else()
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message(STATUS "Downloading ${vcpkg_download_distfile_URL}")
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2016-09-23 03:30:58 +08:00
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file(DOWNLOAD ${vcpkg_download_distfile_URL} ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME} EXPECTED_HASH SHA512=${vcpkg_download_distfile_SHA512})
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2016-09-19 11:50:08 +08:00
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endif()
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set(${VAR} ${DOWNLOADS}/${vcpkg_download_distfile_FILENAME} PARENT_SCOPE)
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endfunction()
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