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Building Steem

Compile-Time Options (cmake)

CMAKE_BUILD_TYPE=[Release/Debug]

Specifies whether to build with or without optimization and without or with the symbol table for debugging. Unless you are specifically debugging or running tests, it is recommended to build as release.

LOW_MEMORY_NODE=[OFF/ON]

Builds steemd to be a consensus-only low memory node. Data and fields not needed for consensus are not stored in the object database. This option is recommended for witnesses and seed-nodes.

CLEAR_VOTES=[ON/OFF]

Clears old votes from memory that are no longer required for consensus.

BUILD_STEEM_TESTNET=[OFF/ON]

Builds steem for use in a private testnet. Also required for building unit tests.

SKIP_BY_TX_ID=[OFF/ON]

By default this is off. Enabling will prevent the account history plugin querying transactions by id, but saving around 65% of CPU time when reindexing. Enabling this option is a huge gain if you do not need this functionality.

Building under Docker

We ship a Dockerfile. This builds both common node type binaries.

git clone https://github.com/steemit/steem
cd steem
docker build -t steemit/steem .

Building on Ubuntu 16.04

For Ubuntu 16.04 users, after installing the right packages with apt Steem will build out of the box without further effort:

# Required packages
sudo apt-get install -y \
    autoconf \
    automake \
    cmake \
    g++ \
    git \
    libssl-dev \
    libtool \
    make \
    pkg-config \
    python3 \
    python3-jinja2

# Boost packages (also required)
sudo apt-get install -y \
    libboost-chrono-dev \
    libboost-context-dev \
    libboost-coroutine-dev \
    libboost-date-time-dev \
    libboost-filesystem-dev \
    libboost-iostreams-dev \
    libboost-locale-dev \
    libboost-program-options-dev \
    libboost-serialization-dev \
    libboost-signals-dev \
    libboost-system-dev \
    libboost-test-dev \
    libboost-thread-dev

# Optional packages (not required, but will make a nicer experience)
sudo apt-get install -y \
    doxygen \
    libncurses5-dev \
    libreadline-dev \
    perl

git clone https://github.com/steemit/steem
cd steem
git checkout stable
git submodule update --init --recursive
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make -j$(nproc) steemd
make -j$(nproc) cli_wallet
# optional
make install  # defaults to /usr/local

Building on Ubuntu 14.04

(It is strongly advised to use Ubuntu 16.04 LTS instead)

Here are the required packages:

# Required packages
sudo apt-get install -y \
    autoconf \
    cmake3 \
    g++ \
    git \
    libssl-dev \
    libtool \
    make \
    pkg-config \
    doxygen \
    libncurses5-dev \
    libreadline-dev \
    libbz2-dev \
    python-dev \
    perl \
    python3 \
    python3-jinja2

The Boost provided in the Ubuntu 14.04 package manager (Boost 1.55) is too old. Steem requires Boost 1.58 (as in Ubuntu 16.04) and works with versions up to 1.60 (including). So building Steem on Ubuntu 14.04 requires downloading and installing a more recent version of Boost.

According to this mailing list post, Boost 1.58 is not compatible with gcc 4.8 (the default C++ compiler for Ubuntu 14.04) when compiling in C++11 mode (which Steem does). So we will use Boost 1.60.

Here is how to build and install Boost 1.60 into your user's home directory (make sure you install all the packages above first):

export BOOST_ROOT=$HOME/opt/boost_1_60_0
URL='http://sourceforge.net/projects/boost/files/boost/1.60.0/boost_1_60_0.tar.bz2/download'
wget -c "$URL" -O boost_1_60_0.tar.bz2
[ $( sha256sum boost_1_60_0.tar.bz2 | cut -d ' ' -f 1 ) == \
    "686affff989ac2488f79a97b9479efb9f2abae035b5ed4d8226de6857933fd3b" ] \
    || ( echo 'Corrupt download' ; exit 1 )
tar xjf boost_1_60_0.tar.bz2
cd boost_1_60_0
./bootstrap.sh "--prefix=$BOOST_ROOT"
./b2 install

Then the instructions are the same as for steem:

git clone https://github.com/steemit/steem
cd steem
git checkout stable
git submodule update --init --recursive
mkdir build && cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make -j$(nproc) steemd
make -j$(nproc) cli_wallet

Building on macOS X

Install Xcode and its command line tools by following the instructions here: https://guide.macports.org/#installing.xcode. In OS X 10.11 (El Capitan) and newer, you will be prompted to install developer tools when running a developer command in the terminal.

Accept the Xcode license if you have not already:

sudo xcodebuild -license accept

Install Homebrew by following the instructions here: http://brew.sh/

Initialize Homebrew:

brew doctor brew update

Install steem dependencies:

brew install \
    autoconf \
    automake \
    cmake \
    git \
    boost160 \
    libtool \
    openssl \
    python3 \
    python3-jinja2

Note: brew recently updated to boost 1.61.0, which is not yet supported by steem. Until then, this will allow you to install boost 1.60.0.

Optional. To use TCMalloc in LevelDB:

brew install google-perftools

Optional. To use cli_wallet and override macOS's default readline installation:

brew install --force readline
brew link --force readline

Clone the Repository

git clone https://github.com/steemit/steem.git
cd steem

Compile

export OPENSSL_ROOT_DIR=$(brew --prefix)/Cellar/openssl/1.0.2h_1/
export BOOST_ROOT=$(brew --prefix)/Cellar/boost@1.60/1.60.0/
git checkout stable
git submodule update --init --recursive
mkdir build && cd build
cmake -DBOOST_ROOT="$BOOST_ROOT" -DCMAKE_BUILD_TYPE=Release ..
make -j$(sysctl -n hw.logicalcpu)

Also, some useful build targets for make are:

steemd
chain_test
cli_wallet

e.g.:

make -j$(sysctl -n hw.logicalcpu) steemd

This will only build steemd.

Building on Other Platforms

  • Windows build instructions do not yet exist.

  • The developers normally compile with gcc and clang. These compilers should be well-supported.

  • Community members occasionally attempt to compile the code with mingw, Intel and Microsoft compilers. These compilers may work, but the developers do not use them. Pull requests fixing warnings / errors from these compilers are accepted.