[BRLTTY] BRLTTY in GRUB2

[Dave Mielke]

How do you prepare brltty for compilation? Do you use its configure script?

async should now be okay (now meaning the latest development code). If neither 
poll() nor select() is available, it leaves out all of the I/O monitoring stuff 
except that asyncRead() and asyncWrite() report ENOSYS (function not 
supported). The alarm stuff still works, though.


Does grub have nanosleep()? If not, what's the best way to delay for a known 
small amount of time?

Can you tell me which gcc options to specify, including getting it to point to 
the right set of headers, so that I can compile for a grub environment without 
using the actual grub build system? That, for me, would probably be the 
easiest.

I intend to go through all of the code to remove all of those warnings which 
you've had to suppress for the time being. How easy is it for you to 
incorporate new brltty revisions as they're committed to our repository?

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