build bpftrace on ubuntu 18.04

build-bpftrace.sh

#!/bin/bash

set -e
set -x

# from https://www.joyfulbikeshedding.com/blog/2019-01-31-full-system-dynamic-tracing-on-linux-using-ebpf-and-bpftrace.html

apt-get install -y clang-7 libclang-7-dev llvm-7 llvm-7-dev

apt-get install -y bison cmake flex g++ git libelf-dev zlib1g-dev libfl-dev

apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4052245BD4284CDD
echo "deb https://repo.iovisor.org/apt/$(lsb_release -cs) $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/iovisor.list
apt-get update
apt-get install -y bcc-tools libbcc-examples linux-headers-$(uname -r)

git clone https://github.com/iovisor/bpftrace
cd bpftrace
mkdir build && cd build
cmake -DCMAKE_BUILD_TYPE=DEBUG ..
make -j4
sudo make install