Re: [PATCH v2 3/5] s390: Add -m64 to KBUILD_CPPFLAGS
"Arnd Bergmann" <[email protected]>
| Newsgroups | org.kernel.vger.sparclinux,org.kernel.vger.linux-arch,org.kernel.vger.linux-kernel,org.kernel.vger.linux-s390,org.ozlabs.lists.linuxppc-dev |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Mar 2, 2026, at 08:58, Thomas Weißschuh wrote: > Some non-code files, like linkescripts, are preprocessed with the C > preprocessor and make use of regular kernel headers. > As -m64 is not passed to those preprocessor invocations this leads > to an inconsistency between __BITS_PER_LONG and the C type 'long'. > An upcoming consistency check will be tripped by this. > > Make sure -m64 is also defined for those preprocessing steps. > > As KBUILD_CPPFLAGS is inherited by both KBUILD_AFLAGS and KBUILD_CFLAGS, > drop -m64 from these variables. > > Signed-off-by: Thomas Weißschuh <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>