ccache: relax cache sloppiness for time macros

if [ "$USE_CCACHE" = 1 ]; then

  echo ">> [$(date)] Setting up ccache config"

  ccache --set-config=max_size=100G \

    --set-config=compression_level=6

    --set-config=compression_level=6 \

    --set-config=sloppiness=time_macros

  # Recompress the cache

  ccache --recompress 6

  # Delete not recently used files