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Merge #13458: gui: Drop qt4 support

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af6ac3b677 doc: Remove mention of Qt4 from build docs (Wladimir J. van der Laan)
462c71f71b test: Update travis to not test Qt4 anymore (Wladimir J. van der Laan)
907f73bbc5 gui: Remove QT_VERSION fallbacks for Qt < 5 (Wladimir J. van der Laan)
bad068ad9f build: Build system changes to support only Qt5 (Wladimir J. van der Laan)

Pull request description:

  Implements #8263.

  Qt4.x has been EOL since 2015, and at least Gentoo has, or is going to drop support for it. I wouldn't be surprised if other Linux distributions follow.

  This removes Qt4 detection from the build system, as well as removes all Qt4 fallbacks from the code. Turns out there's more than I expected: this is going to make maintenance of the GUI code, as well as adding new features significantly easier.

  (I know there's still some references left to qt4 in RPM and Debian build script, but I don't have the knowledge how to fix them)

Tree-SHA512: d495924fd4dda6f6566ba44ee96be7cbe62e69ba1ca993b80a8449f78da852b7f1bd3e8200d57cfa1d72233c340eeff4596fb0032ecbddc715d99aea63817d3f
This commit is contained in:
Wladimir J. van der Laan
2018-06-24 15:56:00 +02:00
parent 5eca4e86d4 af6ac3b677
commit dc53f7f251
30 changed files with 110 additions and 344 deletions
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2
doc/build-osx.md
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@@ -24,8 +24,6 @@ If you want to build the disk image with `make deploy` (.dmg / optional), you ne
brew install librsvg
NOTE: Building with Qt4 is still supported, however, could result in a broken UI. Building with Qt5 is recommended.
Berkeley DB
-----------
It is recommended to use Berkeley DB 4.8. If you have to build it yourself,

11
doc/build-unix.md
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@@ -100,18 +100,13 @@ ZMQ dependencies (provides ZMQ API 4.x):
#### Dependencies for the GUI
If you want to build Bitcoin-Qt, make sure that the required packages for Qt development
are installed. Either Qt 5 or Qt 4 are necessary to build the GUI.
If both Qt 4 and Qt 5 are installed, Qt 5 will be used. Pass `--with-gui=qt4` to configure to choose Qt4.
are installed. Qt 5 is necessary to build the GUI.
To build without GUI pass `--without-gui`.
To build with Qt 5 (recommended) you need the following:
To build with Qt 5 you need the following:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
Alternatively, to build with Qt 4 you need the following:
sudo apt-get install libqt4-dev libprotobuf-dev protobuf-compiler
libqrencode (optional) can be installed with:
sudo apt-get install libqrencode-dev
@@ -132,7 +127,7 @@ Optional:
sudo dnf install miniupnpc-devel
To build with Qt 5 (recommended) you need the following:
To build with Qt 5 you need the following:
sudo dnf install qt5-qttools-devel qt5-qtbase-devel protobuf-devel

2
doc/dependencies.md
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@@ -23,7 +23,7 @@ These are the dependencies currently used by Bitcoin Core. You can find instruct
| protobuf | [2.6.3](https://github.com/google/protobuf/releases) | | No | | |
| Python (tests) | | [3.4](https://www.python.org/downloads) | | | |
| qrencode | [3.4.4](https://fukuchi.org/works/qrencode) | | No | | |
| Qt | [5.7.1](https://download.qt.io/official_releases/qt/) | 4.7+ | No | | |
| Qt | [5.7.1](https://download.qt.io/official_releases/qt/) | 5.x | No | | |
| XCB | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L94) (Linux only) |
| xkbcommon | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L93) (Linux only) |
| ZeroMQ | [4.2.3](https://github.com/zeromq/libzmq/releases) | | No | | |