chore: make yuzu REUSE compliant
[REUSE] is a specification that aims at making file copyright
information consistent, so that it can be both human and machine
readable. It basically requires that all files have a header containing
copyright and licensing information. When this isn't possible, like
when dealing with binary assets, generated files or embedded third-party
dependencies, it is permitted to insert copyright information in the
`.reuse/dep5` file.
Oh, and it also requires that all the licenses used in the project are
present in the `LICENSES` folder, that's why the diff is so huge.
This can be done automatically with `reuse download --all`.
The `reuse` tool also contains a handy subcommand that analyzes the
project and tells whether or not the project is (still) compliant,
`reuse lint`.
Following REUSE has a few advantages over the current approach:
- Copyright information is easy to access for users / downstream
- Files like `dist/license.md` do not need to exist anymore, as
`.reuse/dep5` is used instead
- `reuse lint` makes it easy to ensure that copyright information of
files like binary assets / images is always accurate and up to date
To add copyright information of files that didn't have it I looked up
who committed what and when, for each file. As yuzu contributors do not
have to sign a CLA or similar I couldn't assume that copyright ownership
was of the "yuzu Emulator Project", so I used the name and/or email of
the commit author instead.
[REUSE]: https://reuse.software
Follow-up to 01cf05bc75b1e47beb08937439f3ed9339e7b254
2022-05-15 02:06:02 +02:00
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# SPDX-FileCopyrightText: 2017 yuzu Emulator Project
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# SPDX-License-Identifier: GPL-2.0-or-later
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2017-09-09 19:24:13 +02:00
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# This function downloads a binary library package from our external repo.
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# Params:
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# remote_path: path to the file to download, relative to the remote repository root
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# prefix_var: name of a variable which will be set with the path to the extracted contents
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function(download_bundled_external remote_path lib_name prefix_var)
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2021-04-21 07:51:28 +02:00
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set(package_repo "no_platform")
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set(package_extension "no_platform")
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if (WIN32)
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set(package_repo "ext-windows-bin/raw/master/")
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set(package_extension ".7z")
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elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(package_repo "ext-linux-bin/raw/main/")
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set(package_extension ".tar.xz")
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else()
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message(FATAL_ERROR "No package available for this platform")
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endif()
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set(package_url "https://github.com/yuzu-emu/${package_repo}")
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2017-09-09 19:24:13 +02:00
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set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}")
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if (NOT EXISTS "${prefix}")
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message(STATUS "Downloading binaries for ${lib_name}...")
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file(DOWNLOAD
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2021-04-21 07:51:28 +02:00
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${package_url}${remote_path}${lib_name}${package_extension}
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"${CMAKE_BINARY_DIR}/externals/${lib_name}${package_extension}" SHOW_PROGRESS)
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${CMAKE_BINARY_DIR}/externals/${lib_name}${package_extension}"
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2017-09-09 19:24:13 +02:00
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WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
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endif()
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message(STATUS "Using bundled binaries at ${prefix}")
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set(${prefix_var} "${prefix}" PARENT_SCOPE)
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2021-04-21 07:51:28 +02:00
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endfunction()
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