thanks for the explanation!...
Charging-sdl is super deprecated and broken and probably should just be burnt; but that header file seems to be part of the package sdl2_ttf-dev...
closed
issue
#26
"Handle driver-related errors and crashes more gracefully"
at
postmarketOS / charging-sdl
closed
issue
#18
"Screen does not turn off when it should, the display only goes black"
at
postmarketOS / charging-sdl
closed
issue
#20
"Should we split the charging functionality into a dedicated hook?"
at
postmarketOS / charging-sdl
created project
postmarketOS / charging-sdl