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From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug d/109231] [13 regression] Comparison failure in
 libphobos/libdruntime/rt/util/typeinfo.o
Date: Wed, 22 Mar 2023 17:03:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109231

--- Comment #14 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot =
Uni-Bielefeld.DE> ---
> --- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> I found I could perhaps use gcc211 on CompilerFarm to try to reproduce it,
> currently building GCC 11 for working GDC there.

Right, although on Solaris/SPARC GCC 9.3.0 works for me, too.

> What exact configure should I use for the trunk gcc?

During the reghunt, I used (albeit on Solaris 11.4)

configure --without-ppl --without-cloog --enable-languages=3Dd --disable-lto
--disable-libatomic --disable-libcc1 --disable-libquadmath --disable-libssp
--disable-libitm --disable-libvtv --disable-libsanitizer --disable-libgomp
--with-ld=3D/usr/bin/ld --without-gnu-ld --with-as=3D/vol/gcc/bin/gas-2.40
--with-gnu-as --disable-multilib

All the --disable-* options serve to speed up the build, including
--disable-multilib.

I'd strongly recommend using /bin/ld; that's what I've been using all
the time.

> For gcc 11 I'm trying
> ../configure --prefix=3D/export/home/jakub/gcc-11-inst --enable-languages=
=3Dc,c++,d
> --disable-libssp --disable-nls --enable-threads=3Dposix --with-gmp=3D/opt=
/csw
> --with-included-gettext --with-ld=3D/opt/csw/bin/gld --with-gnu-ld
> --with-as=3D/opt/csw/bin/gas --with-gnu-as --with-libiconv-prefix=3D/opt/=
csw
> --with-mpfr=3D/opt/csw --with-system-zlib=3D/opt/csw --enable-libphobos
> --disable-bootstrap

I don't think you need the explicit --enable-threads=3Dposix
--with-included-gettext; likewise I didn't have any need for
--with-system-zlib=3D/opt/csw or similar.

I've been working with a self-compiled gas 2.40; I'm uncertain if the
/opt/csw one is ok, but guess so.

You'll certainly need gmp/mpfr/mpc from /opt/csw; at least for one of
the three the bundled version is too old on 11.3.=