On Thu, May 02, 2024 at 08:51:02PM -0700, 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 > > ...clang is pickier than gcc, about which version of abs(3) to call, > depending on the argument type: > > int abs(int j); > long labs(long j); > long long llabs(long long j); > > ...and this is causing both build failures and warnings, when running: > > make LLVM=1 -C tools/testing/selftests > > Fix this by calling labs() in value_close(), because the arguments are > unambiguously "long" type. > > [1] https://lore.kernel.org/all/20240329-selftests-libmk-llvm-rfc-v1-1-2f9ed7d1c49f@xxxxxxxxxxxxxxx/ > > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> Reviewed-by: Roman Gushchin <roman.gushchin@xxxxxxxxx> Thanks!
