On 5/2/2024 7:17 PM, John Hubbard wrote: > First of all, in order to build with clang at all, one must first apply > Valentin Obst's build fix for LLVM [1]. Once that is done, then when > building with clang, via: > > make LLVM=1 -C tools/testing/selftests > > ...the following error occurs: > > clang: error: cannot specify -o when generating multiple output files > > This is because clang, unlike gcc, won't accept invocations of this > form: > > clang file1.c header2.h > > Fix this by using selftests/lib.mk facilities for tracking local header > file dependencies: add them to LOCAL_HDRS, leaving only the .c files to > be passed to the compiler. > > [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9ed7d1c49f@xxxxxxxxxxxxxxx/ > > Fixes: 8e289f454289 ("selftests/resctrl: Add resctrl.h into build deps") > Cc: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> > --- Thank you. Acked-by: Reinette Chatre <reinette.chatre@xxxxxxxxx> Reinette
