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Install the Prerequisites
This is part of the Getting Started guide. Please read the full guide if you have trouble.
You will need the following tools:
You will find platform specific instructions to install these below.
You will need the Windows Subsystem for Linux. If you haven't installed it yet, please follow this guide prior to start: https://docs.microsoft.com/it-it/windows/wsl/install-win10
Open a Bash shell and run the following command
sudo apt-get install build-essential flex bison clang git
Now, you will have to add the llvm repository to your sources.list. So, run this command:
sudo nano /etc/apt/sources.list
and paste this string at the end of the list:
deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial main
then save the file and quit (ctrl+x and then press the 'y' key to save). Now it is time to refresh, with:
sudo apt-get update && sudo apt-get upgrade
we can now install llvm (and it's other dependencies):
sudo apt-get install clang-4.0 lldb-4.0 llvm-4.0 llvm-4.0-dev lld-4.0
Install MSYS2
In a MSYS2 MinGW64 Shell, run:
pacman -S make git bison flex mingw-w64-x86_64-gcc mingw-w64-x86_64-llvm mingw-w64-x86_64-clang mingw-w64-x86_64-lld
Using a regular MSYS2 shell will fail later on as the required building system is not supported there.
On macOS with Homebrew, this should do the job (XCode ships with make and bison and flex):
brew install llvm --with-lld --with-clang
sudo apt-get install build-essential flex bison clang lld git
On older versions of Ubuntu, you may need to install lld via a LLVM nightly package instead.