Installing and building the ledger on Linux Ubuntu

Initial setup

Set environment variables in /etc/profile:

export CC=clang
export CXX=clang++


sudo apt-get update

Install dependencies:

apt-get install build-essential clang git cmake libssl-dev doxygen python3-dev python3-pip python3-venv


sudo apt-get update

Add the git alias:

git config --global alias.pullall '!f(){ git pull "[email protected]" && git submodule sync --recursive && git submodule update --init --recursive; }; f'

Download the ledger code

If you need them, here are the Git SSH key generation instructions.

Clone the repository:

cd [working_directory]
git clone
git checkout release/v0.9.x

Update and initialise submodules from the repository root directory:

cd ledger
git pull
git submodule update --init --recursive

Make sure you have all the submodules:

git submodule status

If any submodules are missing, please check your installation.

Build the ledger

From the ledger directory, follow the steps to build the library:

mkdir build
cd build
cmake ..
make -j constellation

You may have memory issues on make, so limit the number of cores (we chose 4):

make -j 4 constellation

If you want, you can build all the libraries:

make -j 4

For the etch simulator, build the etch library:

make etch