https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87806
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Ulrich Windl from comment #0)
> Is it due to the fact that many #include files define a lot of such (and
> most of those are not used)?
Yes. You'd get a warning from every header unless every file that includes the
header uses *everything* in that header.
It should not be necessary to add pragmas to every header to avoid warnings
with -Wall, so this seems like a bad idea.
