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Mac OS X Build Instructions and Notes

This guide will show you how to build bitcoind(headless client) for OSX.

Notes

  • Tested on OS X 10.7 through 10.10 on 64-bit Intel processors only.

  • All of the commands should be executed in a Terminal application. The built-in one is located in /Applications/Utilities.

Preparation

You need to install XCode with all the options checked so that the compiler and everything is available in /usr not just /Developer. XCode should be available on your OS X installation media, but if not, you can get the current version from https://developer.apple.com/xcode/. If you install Xcode 4.3 or later, you'll need to install its command line tools. This can be done in Xcode > Preferences > Downloads > Components and generally must be re-done or updated every time Xcode is updated.

There's also an assumption that you already have git installed. If not, it's the path of least resistance to install Github for Mac (OS X 10.7+) or Git for OS X. It is also available via Homebrew.

You will also need to install Homebrew in order to install library dependencies.

The installation of the actual dependencies is covered in the Instructions sections below.

Instructions: Homebrew

Install dependencies using Homebrew

    brew install autoconf automake libtool boost miniupnpc openssl pkg-config protobuf qt

Installing berkeley-db4 using Homebrew

The homebrew package for berkeley-db4 has been broken for some time. It will install without Java though.

Running this command takes you into brew's interactive mode, which allows you to configure, make, and install by hand:

$ brew install https://raw.github.com/mxcl/homebrew/master/Library/Formula/berkeley-db4.rb -–without-java

The rest of these commands are run inside brew interactive mode:

/private/tmp/berkeley-db4-UGpd0O/db-4.8.30 $ cd ..
/private/tmp/berkeley-db4-UGpd0O $ db-4.8.30/dist/configure --prefix=/usr/local/Cellar/berkeley-db4/4.8.30 --mandir=/usr/local/Cellar/berkeley-db4/4.8.30/share/man --enable-cxx
/private/tmp/berkeley-db4-UGpd0O $ make
/private/tmp/berkeley-db4-UGpd0O $ make install
/private/tmp/berkeley-db4-UGpd0O $ exit

After exiting, you'll get a warning that the install is keg-only, which means it wasn't symlinked to /usr/local. You don't need it to link it to build bitcoin, but if you want to, here's how:

$ brew link --force berkeley-db4

Building bitcoind

  1. Clone the github tree to get the source code and go into the directory.

     git clone https://github.com/bitcoin/bitcoin.git
 cd bitcoin

  2. Build bitcoind:

    ./autogen.sh
./configure
make

  3. It is also a good idea to build and run the unit tests:

    make check

  4. (Optional) You can also install bitcoind to your path:

    make install

Use Qt Creator as IDE

You can use Qt Creator as IDE, for debugging and for manipulating forms, etc. Download Qt Creator from http://www.qt.io/download/. Download the "community edition" and only install Qt Creator (uncheck the rest during the installation process).

  1. Make sure you installed everything through homebrew mentioned above
  2. Do a proper ./configure --with-gui=qt5 --enable-debug
  3. In Qt Creator do "New Project" -> Import Project -> Import Existing Project
  4. Enter "bitcoin-qt" as project name, enter src/qt as location
  5. Leave the file selection as it is
  6. Confirm the "summary page"
  7. In the "Projects" tab select "Manage Kits..."
  8. Select the default "Desktop" kit and select "Clang (x86 64bit in /usr/bin)" as compiler
  9. Select LLDB as debugger (you might need to set the path to your installtion)
  10. Start debugging with Qt Creator

Creating a release build

You can ignore this section if you are building bitcoind for your own use.

bitcoind/bitcoin-cli binaries are not included in the Bitcoin-Qt.app bundle.

If you are building bitcoind or Bitcoin-Qt for others, your build machine should be set up as follows for maximum compatibility:

All dependencies should be compiled with these flags:

-mmacosx-version-min=10.7 -arch x86_64 -isysroot $(xcode-select --print-path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk

Once dependencies are compiled, see release-process.md for how the Bitcoin-Qt.app bundle is packaged and signed to create the .dmg disk image that is distributed.

Running

It's now available at ./bitcoind, provided that you are still in the src directory. We have to first create the RPC configuration file, though.

Run ./bitcoind to get the filename where it should be put, or just try these commands:

echo -e "rpcuser=bitcoinrpc\nrpcpassword=$(xxd -l 16 -p /dev/urandom)" > "/Users/${USER}/Library/Application Support/Bitcoin/bitcoin.conf"
chmod 600 "/Users/${USER}/Library/Application Support/Bitcoin/bitcoin.conf"

The next time you run it, it will start downloading the blockchain, but it won't output anything while it's doing this. This process may take several hours; you can monitor its process by looking at the debug.log file, like this:

tail -f $HOME/Library/Application\ Support/Bitcoin/debug.log

Other commands:

./bitcoind -daemon # to start the bitcoin daemon.
./bitcoin-cli --help  # for a list of command-line options.
./bitcoin-cli help    # When the daemon is running, to get a list of RPC commands