Update make rules with proper format

[eirikurj]

Purpose

This PR updates the make rules to

• support the newer pattern rules format.
• suppress the warning: ignoring prerequisites on suffix rule definition which newer versions of make (4.3) generate

Expected time until merged

No rush, but should be quick to test and merge.

Type of change

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (non-backwards-compatible fix or feature)
• [ ] Code style update (formatting, renaming)
• [x] Refactoring (no functional changes, no API changes)
• [ ] Documentation update
• [ ] Maintenance update
• [ ] Other (please describe)

Testing

Make sure code compiles using the updated make rules.

Checklist

• [ ] I have run flake8 and black to make sure the code adheres to PEP-8 and is consistently formatted
• [ ] I have run unit and regression tests which pass locally with my changes
• [ ] I have added new tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation

[codecov[bot]]

Codecov Report

Merging #37 (53761c8) into main (ecc9fc0) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #37   +/-   ##
=======================================
  Coverage   60.55%   60.55%           
=======================================
  Files           5        5           
  Lines        1610     1610           
=======================================
  Hits          975      975           
  Misses        635      635           

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[eirikurj]

@joanibal, just a quick reminder. Can you give an estimate on when you have time to review this?