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fanquake 77e77e8544
Merge bitcoin/bitcoin#22631: doc: Add packages that provide Qt Wayland plugin for Linux 
5559cf1460 doc: Add packages that provide Qt Wayland plugin for Linux (Hennadii Stepanov)

Pull request description:

  When building on Linux using system packages (without depends) the support of Wayland protocol for modern desktop environments (e.g., GNOME, KDE Plasma) depends on the presence of the installed Qt Wayland plugin which is loaded dynamically at the GUI startup.

  1. On Debian/Ubuntu, the [`qtwayland5`](https://packages.ubuntu.com/focal/qtwayland5) package is required (also see this [patch](https://codereview.qt-project.org/c/qt/qtbase/+/231227), and this [doc](https://wiki.debian.org/Wayland#Qt_.28supported_since_5.29)):
  - with `qtwayland5` installed:
  ```
  $ QT_QPA_PLATFORM="wayland;xcb" ./src/qt/bitcoin-qt -printtoconsole
  Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
  2021-08-05T09:51:31Z Bitcoin Core version v22.99.0-c4b42aa4ffa1 (release build)
  2021-08-05T09:51:31Z Qt 5.11.3 (dynamic), plugin=wayland (dynamic)
  2021-08-05T09:51:31Z No static plugins.
  2021-08-05T09:51:31Z Style: fusion / QFusionStyle
  2021-08-05T09:51:31Z System: Debian GNU/Linux 10 (buster), x86_64-little_endian-lp64
  ...
  ```

  - without `qtwayland5`:
  ```
  $ QT_QPA_PLATFORM="wayland;xcb" ./src/qt/bitcoin-qt -printtoconsole
  Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
  qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in ""
  2021-08-05T09:48:55Z Bitcoin Core version v22.99.0-c4b42aa4ffa1 (release build)
  2021-08-05T09:48:55Z Qt 5.11.3 (dynamic), plugin=xcb (dynamic)
  2021-08-05T09:48:55Z No static plugins.
  2021-08-05T09:48:55Z Style: fusion / QFusionStyle
  2021-08-05T09:48:55Z System: Debian GNU/Linux 10 (buster), x86_64-little_endian-lp64
  2021-08-05T09:48:55Z Screen: XWAYLAND0 1920x1200, pixel ratio=1.0
  ...
  ```

  2. On Fedora, the [`qt5-qtwayland`](https://fedora.pkgs.org/34/fedora-x86_64/qt5-qtwayland-5.15.2-4.fc34.x86_64.rpm.html) package is required:
  - with `qt5-qtwayland` installed:
  ```
  $ ./src/qt/bitcoin-qt -printtoconsole
  QSocketNotifier: Can only be used with threads started with QThread
  2021-08-05T08:41:03Z Bitcoin Core version v22.99.0-c4b42aa4ffa1 (release build)
  2021-08-05T08:41:03Z Qt 5.15.2 (dynamic), plugin=wayland (dynamic)
  2021-08-05T08:41:03Z No static plugins.
  2021-08-05T08:41:03Z Style: fusion / QFusionStyle
  2021-08-05T08:41:03Z System: Fedora 34 (Workstation Edition), x86_64-little_endian-lp64
  ...
  ```
  - without `qt5-qtwayland`:
  ```
  $ ./src/qt/bitcoin-qt -printtoconsole
  qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in ""
  2021-08-05T07:50:41Z Bitcoin Core version v22.99.0-c4b42aa4ffa1 (release build)
  2021-08-05T07:50:41Z Qt 5.15.2 (dynamic), plugin=xcb (dynamic)
  2021-08-05T07:50:41Z No static plugins.
  2021-08-05T07:50:41Z Style: fusion / QFusionStyle
  2021-08-05T07:50:41Z System: Fedora 34 (Workstation Edition), x86_64-little_endian-lp64
  2021-08-05T07:50:41Z Screen: XWAYLAND0 1920x1200, pixel ratio=1.0
  ...
  ```

ACKs for top commit:
  fanquake:
    ACK 5559cf1460 - I don't think there's any harm to point this out in our Linux build docs. It's not changing our binaries or dependencies in any way.

Tree-SHA512: e26856586b29540b55c12905a091408e95ce59ea2c952520086b41138c955fba1b78e95e868f75205af07c6eccae51644177f7165d837ae058aaf0c0abf3ccf5
2021-09-02 11:25:42 +08:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx qt: Bump transifex slug for 22.x 2021-04-21 13:46:41 +02:00
build_msvc Merge bitcoin/bitcoin#22155: wallet test: Add test for subtract fee from recipient behavior 2021-07-27 11:21:46 +02:00
build-aux/m4 build, qt: Fix typo in QtInputSupport check 2021-08-27 17:50:30 +03:00
ci Merge bitcoin/bitcoin#22744: ci: Re-enable verify-commits.py check 2021-08-31 20:48:31 +08:00
contrib Merge bitcoin/bitcoin#22847: guix/prelude: Override VERSION with FORCE_VERSION 2021-09-02 09:35:15 +08:00
depends build: fix unoptimized libraries in depends 2021-08-31 11:43:48 +08:00
doc Merge bitcoin/bitcoin#22631: doc: Add packages that provide Qt Wayland plugin for Linux 2021-09-02 11:25:42 +08:00
share refactor: replace remaining binascii method calls 2021-08-16 19:30:56 +01:00
src Merge bitcoin/bitcoin#22853: fuzz: Remove addrdb fuzz target 2021-09-02 10:45:53 +08:00
test Merge bitcoin/bitcoin#22437: test, refactor: add GetTransaction() coverage, improve rpc_rawtransaction 2021-09-01 18:16:20 +02:00
.appveyor.yml Switch Appveyor CI to VS2019 stable image 2021-06-14 20:35:00 +01:00
.cirrus.yml ci: Unconditionally set the global git author name in cirrys.yml 2021-08-26 11:17:07 +02:00
.editorconfig Add EditorConfig file. 2021-02-10 08:00:06 +01:00
.gitattributes
.gitignore build: add *~ to .gitignore 2021-05-12 18:10:47 +02:00
.python-version Bump minimum python version to 3.6 2020-11-09 17:53:47 +10:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
configure.ac Merge bitcoin/bitcoin#20586: Fix Windows build with --enable-werror 2021-08-27 08:31:45 +02:00
CONTRIBUTING.md doc: Update GitHub documentation links 2021-08-19 20:42:26 +02:00
COPYING doc: Update license year range to 2021 2020-12-30 16:24:47 +01:00
INSTALL.md
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am Merge bitcoin/bitcoin#22234: build: Mark print-% target as phony. 2021-07-18 13:41:24 +08:00
README.md doc: Rework internal and external links 2021-02-17 09:18:46 +01:00
REVIEWERS Update REVIEWERS: I've found that I keep track of PRs in need of review without the need for DrahtBot's automated notification :) 2021-06-10 09:00:05 +00:00
SECURITY.md doc: Remove explicit mention of version from SECURITY.md 2019-06-14 06:39:17 -04:00

README.md

Bitcoin Core integration/staging tree

https://bitcoincore.org

For an immediately usable, binary version of the Bitcoin Core software, see https://bitcoincore.org/en/download/.

Further information about Bitcoin Core is available in the doc folder.

What is Bitcoin?

Bitcoin is an experimental digital currency that enables instant payments to anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Bitcoin Core is the name of open source software which enables the use of this currency.

For more information read the original Bitcoin whitepaper.

License

Bitcoin Core is released under the terms of the MIT license. See COPYING for more information or see https://opensource.org/licenses/MIT.

Development Process

The master branch is regularly built (see doc/build-*.md for instructions) and tested, but it is not guaranteed to be completely stable. Tags are created regularly from release branches to indicate new official, stable release versions of Bitcoin Core.

The https://github.com/bitcoin-core/gui repository is used exclusively for the development of the GUI. Its master branch is identical in all monotree repositories. Release branches and tags do not exist, so please do not fork that repository unless it is for development reasons.

The contribution workflow is described in CONTRIBUTING.md and useful hints for developers can be found in doc/developer-notes.md.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

Translations

Changes to translations as well as new translations can be submitted to Bitcoin Core's Transifex page.

Translations are periodically pulled from Transifex and merged into the git repository. See the translation process for details on how this works.

Important: We do not accept translation changes as GitHub pull requests because the next pull from Transifex would automatically overwrite them again.