Re: Building GCC 8 using 32-bit addressing on a 64-bit machine

> On Apr 28, 2026, at 7:32=E2=80=AFAM, Jonathan Wakely <[email protected]=
m> wrote:
>=20
> =EF=BB=BFOn Tue, 28 Apr 2026 at 15:31, Jonathan Wakely <jwakely.gcc@gmail.=
com> wrote:
>>=20
>>> On Tue, 28 Apr 2026 at 09:59, Gordon Steemson via Gcc-help
>>> <[email protected]> wrote:
>>>=20
>>> You need a relatively recent GCC, like GCC 8 or 9, to compile current ve=
rsions thereof.  The system compiler on Mac OS 10.5 is Apple's build of GCC _=
4.2_.  Building a version of GCC in the vicinity of 8 is a necessary interme=
diate step.
>>=20
>> You can build GCC using Clang, it doesn't have to be GCC.
>=20
> Ah, but it looks like Mac OS 10.5 doesn't have Clang either! Wow, just
> stuck with GCC 4.2 :-)

Correct.  Also, Clang has never built software for 64-bit PowerPC, because A=
pple accidentally screwed up the implementation thereof (the error-unwinding=
 data that should be prepended to each function gets mangled into a single w=
ord instead of being laid out as documented), and they took advantage of the=
 transition to Intel to declare that they refused to fix it.  This is also w=
hy the community-driven "Mac OS 10.6 'Snow Leopard' on PowerPC" effort is 32=
-bit only.=