Jeff Law <jeffreya...@gmail.com> 于2024年1月3日周三 01:00写道：
>
>
>
> On 1/1/24 09:48, YunQiang Su wrote:
> > When building multilib libraries, CC/CXX etc are set with an option
> > -B*/lib/, instead of -B<something>/lib/<multi-os-directory>.
> > This will make some trouble in some case, for example building
> > cross toolchain based on Debian's cross packages:
> >
> > If we have libc6-dev-i386-amd64-cross packages installed on
> > a non-x86 machine. This package will have the files in
> > /usr/x86_4-linux-gnu/lib32. The fellow configure will fail
> > when build libgcc for i386, with complains the libc is not
> > i386 ones:
> > ../configure --enable-multilib --enable-multilib \
> > --target=x86_64-linux-gnu
> >
> > Let's insert a "-B*/lib/`CC ${flags} --print-multi-os-directory`"
> > before "-B*/lib/".
> >
> > This patch is based on the patch used by Debian now.
> >
> > ChangeLog
> >
> > * config-ml.in: Insert an -B option with multi-os-dir into
> > compiler commands used to build libraries.
> I would prefer this to wait for gcc-15. I'll go ahead and ACK it for
> gcc-15 though.
>
I noticed that the gcc-14 branch has been created, and the basever has also
been 15.0 now.
Is it time for this patch now?
> What would also be valuable would be to extract out the rest of the
> multiarch patches from the Debian patches and get those into into GCC
> proper.
>
> Jeff
