Got Ubuntu updates and all the build essentials loaded thanks to a few web pages describing what I needed. I then ran through the make source and make config successfully. Not sure if the buildroot worked because one file could not be found - I suspect it's a versioning problem. The buildroot took several hours. While this was going on I mowed the front lawn but had to abandon the back because it was too wet. The mower kept choking on the grass and stalling. I got cleaned up then climbed the ladder to look at the lights. Did a trip to home Depot and got a pack of 2 halogen bulbs ($7.50 - ouch!). Replaced the two bad bulbs but one of the original plastic lights has the wires cut at the base and it seems to be weathered. I'll prepare one of the metal lights that I have and replace it tomorrow. Came back in and found the build had finished. Hurray. Libbie made barbecued chicken with her own sauce - yummy. We had it with steamfresh peas and a bottle of Shiraz.