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I realized last week that I could build one of Apple's driver stacks at home. I wanted this so I could turn on its logging as well as to enable source code debugging.
Each day I updated my clients on my progress, however by today I was quite dismayed that I still couldn't get it to build. This because Apple has a private SDK called macosx.internal. The drivers from Apple's Open Source site once built out of the box, thereby enabling OpenDarwin, but now they don't.
I at first had no clue what was in machos.internal - damn autocorrect! - but eventually figured out that it needed some headers from the xnu kernel.
I figured I should try building the kernel first, but again it depends on macosx.internal. All I really needed was the headers, so I tried:
$ make installhdrs
... which did install lots of headers, but not the ones I needed. The only headers it installs are already in Kernel.framework. I needed some of the private headers. As I figured them out I added them to my own private Kernel.framework.
When I started work again today I mailed my clients with "Working at home to continue building the IOGraphicsFamily. I am dismayed that this is taking so long."
Dismayed because the client wants to send my driver to OEMs on the first.
Eric wrote back, "Do you think this will help?"
"Yes. It should enable debugging of that showstopper bug."
"The one Lucas fixed last week?"
(Score: 3, Interesting) by MichaelDavidCrawford on Wednesday November 29 2017, @01:38AM
I'm good at my work. Everything I write works flawlessly. But I'm slow. That's a real problem as I am paid for milestones and shipments. My total pay for 2017 will be $41k with no benefits nor stock. At a salaried job I could command $135k with stock options.
Lucas is just as good as me but he is also fast.
Oddly he regards himself as incompetent.
He's also Chinese; his imposter syndrome quite likely the result of the brutal exams that prospective college students have to do well in.