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Mac OS X Build Instructions and Notes
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====================================
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The commands in this guide should be executed in a Terminal application.
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The built-in one is located in `/Applications/Utilities/Terminal.app`.
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Preparation
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-----------
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Install the OS X command line tools:
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`xcode-select --install`
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When the popup appears, click `Install`.
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Then install [Homebrew](http://brew.sh).
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Dependencies
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----------------------
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brew install automake berkeley-db4 libtool boost --c++11 miniupnpc openssl pkg-config homebrew/versions/protobuf260 --c++11 qt5 libevent
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NOTE: Building with Qt4 is still supported, however, could result in a broken UI. Building with Qt5 is recommended.
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Build Bitcoin Core
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------------------------
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1. Clone the bitcoin source code and cd into `bitcoin`
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git clone https://github.com/bitcoin/bitcoin
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cd bitcoin
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2. Build bitcoin-core:
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Configure and build the headless bitcoin binaries as well as the GUI (if Qt is found).
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You can disable the GUI build by passing `--without-gui` to configure.
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./autogen.sh
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./configure
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make
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3. It is recommended to build and run the unit tests:
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make check
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4. You can also create a .dmg that contains the .app bundle (optional):
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make deploy
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Running
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-------
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Bitcoin Core is now available at `./src/bitcoind`
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Before running, it's recommended you create an RPC configuration file.
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echo -e "rpcuser=bitcoinrpc\nrpcpassword=$(xxd -l 16 -p /dev/urandom)" > "/Users/${USER}/Library/Application Support/Bitcoin/bitcoin.conf"
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chmod 600 "/Users/${USER}/Library/Application Support/Bitcoin/bitcoin.conf"
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The first time you run bitcoind, it will start downloading the blockchain. This process could take several hours.
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You can monitor the download process by looking at the debug.log file:
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tail -f $HOME/Library/Application\ Support/Bitcoin/debug.log
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Other commands:
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-------
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./src/bitcoind -daemon # Starts the bitcoin daemon.
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./src/bitcoin-cli --help # Outputs a list of command-line options.
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./src/bitcoin-cli help # Outputs a list of RPC commands when the daemon is running.
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Using Qt Creator as IDE
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------------------------
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You can use Qt Creator as an IDE, for bitcoin development.
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Download and install the community edition of [Qt Creator](https://www.qt.io/download/).
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Uncheck everything except Qt Creator during the installation process.
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1. Make sure you installed everything through Homebrew mentioned above
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2. Do a proper ./configure --enable-debug
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3. In Qt Creator do "New Project" -> Import Project -> Import Existing Project
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4. Enter "bitcoin-qt" as project name, enter src/qt as location
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5. Leave the file selection as it is
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6. Confirm the "summary page"
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7. In the "Projects" tab select "Manage Kits..."
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8. Select the default "Desktop" kit and select "Clang (x86 64bit in /usr/bin)" as compiler
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9. Select LLDB as debugger (you might need to set the path to your installation)
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10. Start debugging with Qt Creator
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Notes
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-----
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* Tested on OS X 10.7 through 10.11 on 64-bit Intel processors only.
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* Building with downloaded Qt binaries is not officially supported. See the notes in [#7714](https://github.com/bitcoin/bitcoin/issues/7714)
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