Ancient software dependencies versus modern Linux
Not everyone knows that STEEM blockchain software has some dependencies that make it hard to compile using latest versions of compilers and libraries. I wanted to test native steemd on Ubuntu 18.04 LTS while experimenting on one of our @noisy.witness nodes. I had to figure out which software I need to downgrade to successfully build the target. In this post I'll describe building instructions for latest stable STEEM (commit 33b2c375 at the time of writing this article).
tl;dr
You'll need to install gcc-5 and g++-5, manually download and compile libboost 1.60 and get libssl1.0-dev before running cmake for STEEM, and basically you're done.
Building requirements and application
To begin, install everything we can from package manager:
apt install -y \
autoconf \
automake \
cmake \
gcc-5 \
g++-5 \
libbz2-dev \
libsnappy-dev \
libssl1.0-dev \
libtool \
make \
pkg-config \
python3 \
python3-jinja2
We need to delete newer versions of gcc andg++, then create links to steemutilizable compilers - gcc-5 and g++-5.
apt remove -y gcc g++
ln -s /usr/bin/gcc-5 /usr/bin/gcc
ln -s /usr/bin/gcc-5 /usr/bin/cc
ln -s /usr/bin/g++-5 /usr/bin/g++
ln -s /usr/bin/g++-5 /usr/bin/cxx
Next, we're installing libboost in version 1.60 from sources.
cd ~/
wget 'http://sourceforge.net/projects/boost/files/boost/1.60.0/boost_1_60_0.tar.bz2'
tar -xvf boost_1_60_0.tar.bz2
cd boost_1_60_0
./bootstrap.sh
./b2 install
cd ~/
rm -rf boost_1_60_0
Finally, downloading STEEM from GitHub and running our last build.
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 -DLOW_MEMORY_NODE=ON -DCLEAR_VOTES=ON ../
Hopefully, after a while we'll see:
Scanning dependencies of target steemd
[ 98%] Building CXX object programs/steemd/CMakeFiles/steemd.dir/main.cpp.o
[100%] Linking CXX executable steemd
[100%] Built target steemd
fin
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