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yuzu/externals/find-modules/Findnlohmann_json.cmake
Andrea Pappacoda cdb240f3d4
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 01cf05bc75
2022-07-27 12:53:49 +02:00

51 lines
2 KiB
CMake

# SPDX-FileCopyrightText: 2020 yuzu Emulator Project
# SPDX-License-Identifier: GPL-2.0-or-later
find_package(PkgConfig QUIET)
pkg_check_modules(PC_nlohmann_json QUIET nlohmann_json)
find_path(nlohmann_json_INCLUDE_DIR
NAMES json.hpp
PATHS ${PC_nlohmann_json_INCLUDE_DIRS}
PATH_SUFFIXES nlohmann
)
if(nlohmann_json_INCLUDE_DIR)
file(STRINGS "${nlohmann_json_INCLUDE_DIR}/json.hpp" _nlohmann_json_version_lines
REGEX "#define[ \t]+NLOHMANN_JSON_VERSION_(MAJOR|MINOR|PATCH)")
string(REGEX REPLACE ".*NLOHMANN_JSON_VERSION_MAJOR +\([0-9]+\).*" "\\1" _nlohmann_json_version_major "${_nlohmann_json_version_lines}")
string(REGEX REPLACE ".*NLOHMANN_JSON_VERSION_MINOR +\([0-9]+\).*" "\\1" _nlohmann_json_version_minor "${_nlohmann_json_version_lines}")
string(REGEX REPLACE ".*NLOHMANN_JSON_VERSION_PATCH +\([0-9]+\).*" "\\1" _nlohmann_json_version_patch "${_nlohmann_json_version_lines}")
set(nlohmann_json_VERSION "${_nlohmann_json_version_major}.${_nlohmann_json_version_minor}.${_nlohmann_json_version_patch}")
unset(_nlohmann_json_version_major)
unset(_nlohmann_json_version_minor)
unset(_nlohmann_json_version_patch)
unset(_nlohmann_json_version_lines)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(nlohmann_json
FOUND_VAR nlohmann_json_FOUND
REQUIRED_VARS
nlohmann_json_INCLUDE_DIR
nlohmann_json_VERSION
VERSION_VAR nlohmann_json_VERSION
)
if(nlohmann_json_FOUND)
set(nlohmann_json_INCLUDE_DIRS ${nlohmann_json_INCLUDE_DIR})
set(nlohmann_json_DEFINITIONS ${PC_nlohmann_json_CFLAGS_OTHER})
endif()
if(nlohmann_json_FOUND AND NOT TARGET nlohmann_json::nlohmann_json)
add_library(nlohmann_json::nlohmann_json UNKNOWN IMPORTED)
set_target_properties(nlohmann_json::nlohmann_json PROPERTIES
IMPORTED_LOCATION "${nlohmann_json_LIBRARY}"
INTERFACE_COMPILE_OPTIONS "${PC_nlohmann_json_CFLAGS_OTHER}"
INTERFACE_INCLUDE_DIRECTORIES "${nlohmann_json_INCLUDE_DIR}"
)
endif()
mark_as_advanced(
nlohmann_json_INCLUDE_DIR
)