[Bug libc/30721] 2.38 build fails for --disable-multiarch --enable-fortify-source , undefined reference to `__GI___memset_chk' and others

["adhemerval.zanella at linaro dot org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=30721

Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |adhemerval.zanella at linaro dot o
                   |                            |rg

--- Comment #2 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
(In reply to Siddhesh Poyarekar from comment #1)
> I can't reproduce this on my Fedora box using:
> 
> ../configure CFLAGS="-march=nocona -mtune=native -O2 -pipe" --prefix=/usr
> --disable-multiarch --enable-fortify-source

It should be '--disable-multi-arch'.

> 
> OR even
> 
> ../configure CFLAGS="-march=nocona -mtune=native -O2 -pipe" CC="gcc -m32"
> CXX="g++ -m32" --enable-stack-protector=strong --disable-cet
> --enable-kernel=3.2.0 --without-selinux --disable-werror --enable-bind-now
> --enable-fortify-source --build=i686-pc-linux-gnu --host=i686-pc-linux-gnu
> --disable-profile --without-gd --with-headers=/usr/include --prefix=/usr
> --disable-crypt --disable-multi-arch --disable-systemtap --disable-nscd
> ac_cv_path_PERL=no libc_cv_aarch64_sve_asm=yes --disable-timezone-tools
> 
> Maybe the gentoo compiler driver is injecting something that I need to add
> to this mix?

As I noted my proposed fix [1] only x86 is affected.  It is the only
architecture that tries to optimize the fortify wrapper with assembly routines.

[1] https://sourceware.org/pipermail/libc-alpha/2023-August/150746.html

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