[GRASS-git] [OSGeo/grass] ec93ae: added steps to build code=0D

[Markus Neteler]

  Branch: refs/heads/gh_action_codeql
  Home:   https://github.com/OSGeo/grass
  Commit: ec93ae794284f997cae61cb30b671e891a4b019a
      https://github.com/OSGeo/grass/commit/ec93ae794284f997cae61cb30b671e891a4b019a
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-12-18 (Fri, 18 Dec 2020)

  Changed paths:
    M .github/workflows/codeql-analysis.yml

  Log Message:
  -----------
  added steps to build code

Using code snippets from https://github.com/OSGeo/grass/blob/2efac9859e99cc9981ca1fa3296b9550e984d895/.github/workflows/gcc.yml#L26 to build code