[GRASS-git] [OSGeo/grass] 3d94e7: CI: set -Werror on Ubuntu test builds (#2743)

[Nicklas Larsson]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 3d94e79dc18cdfe629627cb9c69ac4c0c9a5ca67
      https://github.com/OSGeo/grass/commit/3d94e79dc18cdfe629627cb9c69ac4c0c9a5ca67
  Author: Nicklas Larsson <n_larsson at yahoo.com>
  Date:   2023-01-13 (Fri, 13 Jan 2023)

  Changed paths:
    M .github/workflows/gcc.yml
    M .github/workflows/ubuntu.yml

  Log Message:
  -----------
  CI: set -Werror on Ubuntu test builds (#2743)

and print build env variables on ubuntu and gcc builds

-fPIC was needed for the addition of-Werror