On Sat, Dec 19, 2020 at 3:50 AM Linus Torvalds <torva...@linux-foundation.org> wrote: > > On Wed, Dec 16, 2020 at 12:23 PM Kees Cook <keesc...@chromium.org> wrote: > > > > Hmm. Yeah, that's a bug. I think that's an existing bug, though. I feel > > like I scratched my head on that too. I will see if there is a sensible > > way to have Kbuild "notice" that -- I hope there's an easier way to > > invalidate all object files instead of adding all the plugins as a dep > > to all .o builds. O_o > > Side note, there's actually a more annoying issue with the gcc plugin > config code. > > Namely that when I get a compiler update, the rest of the Kconfig > system is smart, and rebuilds all my files.
True. The full rebuild happens after commit 8b59cd81dc5e724. > > The gcc-plugins code? The code that *really* depends on the compiler > version even more? Yeah, not so much. It ends up instead causing a > build error like > > cc1: error: incompatible gcc/plugin versions > cc1: error: failed to initialize plugin > ./scripts/gcc-plugins/stackleak_plugin.so > > because the plugins don't depend on the compiler version. > > Again, this is not new, but it's another example of how fragile and > annoying the gcc-plugins code can be. > > Linus OK, I will fix it. Thanks. -- Best Regards Masahiro Yamada