On Mon, Mar 11, 2024 at 03:07:40PM +0800, 李书畅 wrote: > Hello Dan, I'd like to know are there any requirements for the makefile of a C project (e.g. not using meson to build) > to prevent similar sparse problems? > It's not a problem that it used meson. We figured that solved that. The issue was that Sparse couldn't find the correct header files... I don't really have a good answer for that. I suspect it has to do with #pragmas but I didn't look. regards, dan carpenter