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Subject: [Bug bootstrap/43301] top-level configure script ignores
 ---with-build-time-tools
Date: Thu, 04 Aug 2022 02:20:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D43301

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aoliva at gcc dot gnu.org

--- Comment #7 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #6)
> JFTR, I had cause to use this today on powerpc-darwin9, and it seemed to
> DTRT - so it would be useful to establish what it was that did not work
> before, that was fixed by the patch.
>=20
> /src-local/gcc-git-11/configure
> --prefix=3D/opt/iains/powerpc-apple-darwin9/gcc-11-3Dr2d
> --build=3Dpowerpc-apple-darwin9 --enable-languages=3Dall --with-tune-cpu=
=3DG5
> --enable-libphobos --with-libphobos-druntime-only
> CC=3Dpowerpc-apple-darwin-gcc CXX=3Dpowerpc-apple-darwin-g++
> --with-build-time-tools=3D/opt/iains/powerpc-apple-darwin9/gcc-11-3Dr2d/b=
in
>=20
> Without the
> "--with-build-time-tools=3D/opt/iains/powerpc-apple-darwin9/gcc-11-3Dr2d/=
bin"
> the system linker and assembler are found and used (which fails to work w=
ith
> D, causing a bootstrap fail) with the option, the relevant tools are found
> and bootstrap succeeded....
>=20
> (so I am not sure what the original problem was
> since $build is not specified in the summary, I guess we must assume it w=
as
> i686-pc-cygwin so perhaps the problem is specific to that setup?)

Alexandre Oliva's assessment is that the issue was just one having an old b=
uild
left over, and that all the patch did was to force a rebuild:
https://gcc.gnu.org/pipermail/gcc-patches/2022-August/599169.html
(so we might be going with his patch instead)=