Ok, so I misremembered, it didn't get to the point of a full lawsuit, only lawyers sending increasingly nasty notes at eachother, but it's still the first GPL enforcement action.
Its was NextStep. They tried for a long time to ship a proprietary GCC, then a proprietary frontend with the rest of gcc, then finally backed down and released the frontend. This was all in the early nineties.
I see. I was just using Nvidia’s CUDA compiler and it seems to be similar—-a combination of a proprietary frontend based on EDG and gcc to produce actual binaries.
Its was NextStep. They tried for a long time to ship a proprietary GCC, then a proprietary frontend with the rest of gcc, then finally backed down and released the frontend. This was all in the early nineties.