Building
--------

Install build tools and dependencies:
  $ sudo apt install cmake build-essential libssl-dev zlib1g-dev libpcre3-dev
  $ sudo apt install pkg-config libc-ares-dev libre2-dev # for gRPC

Configure Nginx:
  $ ./configure --with-compat

Configure and build Nginx OTel module:
  $ mkdir build
  $ cd build
  $ cmake -DNGX_OTEL_NGINX_BUILD_DIR=/path/to/configured/nginx/objs ..
  $ make