With ubuntu19 and clang compiler apple homekit library, found to have a main. C an error, a closer look at is two main folder c only a sh instructions (see the bottom right hand corner), are not you can compile c code, its meaning is pointing to a real main outer directory. C,

But changed ubuntu18 server version of the compiler, there is no this problem, two versions of Linux tree command is run separately, ubuntu18 can be in the main. C to extra displayed,

Which component is the pseudo code or pretreatment features, please support, 19 below what should compile environment change can be compiled through, thank you