102 lines
3.9 KiB
Markdown
102 lines
3.9 KiB
Markdown
Bitcoin-Qt Readme
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===============================
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Contains build and configuration instructions for Bitcoin-Qt (Qt4 GUI for Bitcoin).
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Build Instructions
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---------------------
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### Debian
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First, make sure that the required packages for Qt4 development of your
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distribution are installed, these are
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for Debian and Ubuntu <= 11.10 :
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apt-get install qt4-qmake libqt4-dev build-essential libboost-dev libboost-system-dev \
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libboost-filesystem-dev libboost-program-options-dev libboost-thread-dev \
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libssl-dev libdb4.8++-dev libprotobuf-dev protobuf-compiler
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for Ubuntu >= 12.04 (please read the 'Berkely DB version warning' below):
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apt-get install qt4-qmake libqt4-dev build-essential libboost-dev libboost-system-dev \
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libboost-filesystem-dev libboost-program-options-dev libboost-thread-dev \
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libssl-dev libdb++-dev libminiupnpc-dev libprotobuf-dev protobuf-compiler
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For Qt 5 you need the following, otherwise you get an error with lrelease when running qmake:
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apt-get install qt5-qmake libqt5gui5 libqt5core5 libqt5dbus5 qttools5-dev-tools
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Once these are installed, they will be found by configure and bitcoin-qt will be
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built by default.
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### Mac OS X
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* Download and install the [Qt Mac OS X SDK](https://qt-project.org/downloads). It is recommended to also install Apple's Xcode with UNIX tools.
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* Download and install either [MacPorts](https://www.macports.org/) or [HomeBrew](http://mxcl.github.io/homebrew/).
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* Execute the following commands in a terminal to get the dependencies using MacPorts
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sudo port selfupdate
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sudo port install boost db48 miniupnpc protobuf-cpp
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* Execute the following commands in a terminal to get the dependencies using HomeBrew:
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brew update
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brew install boost miniupnpc openssl berkeley-db4 protobuf
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Build Configuration Options
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---------------------
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### UPnP port forwarding
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UPnP support is compiled in when possible and turned off by default. See the
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configure options for upnp behavior desired:
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--with-miniupnpc No UPnP support miniupnp not required
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--disable-upnp-default (the default) UPnP support turned off by default at runtime
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--enable-upnp-default UPnP support turned on by default at runtime
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### Notification support for recent (k)ubuntu versions
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DBUS support is enabled by default if dependencies are met.
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See the --with-qtdbus configure option.
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### Generation of QR codes
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[libqrencode](http://fukuchi.org/works/qrencode/) may be used to generate QRCode images for payment requests.
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QR code support is enabled by default if dependencies are met.
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See the --with-qrencode configure option.
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Warnings
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---------------------
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### Berkely DB Version Warning
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A warning for people using the *static binary* version of Bitcoin on a Linux/UNIX-ish system (tl;dr: **Berkely DB databases are not forward compatible**).
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The static binary version of Bitcoin is linked against libdb4.8 (see also [this Debian issue](http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621425)).
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Now the nasty thing is that databases from 5.X are not compatible with 4.X.
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If the globally installed development package of Berkely DB installed on your system is 5.X, any source you build yourself will be linked against that. The first time you run with a 5.X version the database will be upgraded, and 4.X cannot open the new format. This means that you cannot go back to the old statically linked version without significant hassle!
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### Ubuntu 11.10 Warning
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Ubuntu 11.10 has a package called 'qt-at-spi' installed by default. At the time of writing, having that package installed causes bitcoin-qt to crash intermittently. The issue has been reported as [launchpad bug 857790](https://bugs.launchpad.net/ubuntu/+source/qt-at-spi/+bug/857790), but
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isn't yet fixed.
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Until the bug is fixed, you can remove the qt-at-spi package to work around the problem, though this will presumably disable screen reader functionality for Qt apps:
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sudo apt-get remove qt-at-spi
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