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yuzu/CMakeModules/Findlz4.cmake

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CMake
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build: simplify find modules With this patch I've deleted a few find modules that are now unused since the vcpkg transition, as the CMake code now forces CONFIG mode for Catch2, fmt and nlohmann_json. I've then simplified the lz4, opus, and zstd modules by exclusively using pkg-config. They were using it already, but were ignoring the result. Also, I believe that manually looking for libraries was required for Conan to work, and it is thus not needed anymore. Lastly, I believe that there is no platform that ships these system libs without pkg-config/pkgconf, so requiring it should be fine.
2022-07-28 10:44:52 -04:00
# SPDX-FileCopyrightText: 2022 yuzu Emulator Project
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
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# SPDX-License-Identifier: GPL-2.0-or-later
Replace externals with Conan (#3735) * Remove git submodules that will be loaded through conan * Move custom Find modules to their own folder * Use conan for downloading missing external dependencies * CI: Change the yuzu source folder user to the user that the containers run on * Attempt to remove dirty mingw build hack * Install conan on the msvc build * Only set release build type when using not using multi config generator * Re-add qt bundled to workaround an issue with conan qt not downloading prebuilt binaries * Add workaround for submodules that use legacy CMAKE variables * Re-add USE_BUNDLED_QT on the msvc build bot
2020-05-08 17:09:29 -04:00
cmake: prefer system libraries
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include(FindPackageHandleStandardArgs)
Replace externals with Conan (#3735) * Remove git submodules that will be loaded through conan * Move custom Find modules to their own folder * Use conan for downloading missing external dependencies * CI: Change the yuzu source folder user to the user that the containers run on * Attempt to remove dirty mingw build hack * Install conan on the msvc build * Only set release build type when using not using multi config generator * Re-add qt bundled to workaround an issue with conan qt not downloading prebuilt binaries * Add workaround for submodules that use legacy CMAKE variables * Re-add USE_BUNDLED_QT on the msvc build bot
2020-05-08 17:09:29 -04:00
cmake: prefer system libraries
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find_package(lz4 QUIET CONFIG)
cmake: improve find_package failure messages
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if (lz4_CONSIDERED_CONFIGS)
cmake: prefer system libraries
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find_package_handle_standard_args(lz4 CONFIG_MODE)
else()
find_package(PkgConfig QUIET)
build: tweak the find modules even more As described in https://github.com/yuzu-emu/yuzu/pull/9395#discussion_r1047456172 checking for PKG_CONFIG_FOUND before calling pkg_search_module() is unneeded, and some find modules (like FindFFmpeg.cmake) don't do this already. Consequently, this patch removes these checks.
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pkg_search_module(LZ4 QUIET IMPORTED_TARGET liblz4)
cmake: prefer system libraries
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find_package_handle_standard_args(lz4
cmake: correct find modules
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REQUIRED_VARS LZ4_LINK_LIBRARIES
VERSION_VAR LZ4_VERSION
cmake: prefer system libraries
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)
Replace externals with Conan (#3735) * Remove git submodules that will be loaded through conan * Move custom Find modules to their own folder * Use conan for downloading missing external dependencies * CI: Change the yuzu source folder user to the user that the containers run on * Attempt to remove dirty mingw build hack * Install conan on the msvc build * Only set release build type when using not using multi config generator * Re-add qt bundled to workaround an issue with conan qt not downloading prebuilt binaries * Add workaround for submodules that use legacy CMAKE variables * Re-add USE_BUNDLED_QT on the msvc build bot
2020-05-08 17:09:29 -04:00
endif()
cmake: correct find modules
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if (lz4_FOUND AND NOT TARGET lz4::lz4)
if (TARGET LZ4::lz4_shared)
add_library(lz4::lz4 ALIAS LZ4::lz4_shared)
elseif (TARGET LZ4::lz4_static)
add_library(lz4::lz4 ALIAS LZ4::lz4_static)
else()
add_library(lz4::lz4 ALIAS PkgConfig::LZ4)
endif()
endif()
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