On Tue, Oct 19, 2010 at 18:44, Arthur Reutenauer wrote:
>        Hello Robert,
> On Tue, Oct 19, 2010 at 06:27:44PM +0200, Robert Blackstone wrote:
>> I tried in vain to install the minimals on an old (2003) but still
>> functional iBook G3, running under OSX 10.4.11. After having received
>> some 4MB, I get the message: "dyld: incompatible cpu-subtype" plus a
>> reference to line 103 of first-setup.sh.
>  This is a binary compatibility problem: the LuaTeX executable for Macs
> running on PowerPC processors are built on an Intel Mac using a
> cross-compilation technique.  I'm afraid nothing can be done at the
> moment.

The "nothing can be done" is not entirely true. We should still be
able to compile a new binary on an older machine (yours, for example),
it only makes it very clumsy to compile on several machines.

However, in one way this is a bit weird. We have a non-neglegible
number of PPC users of minimals and nobody has complained about that
problem so far, so nobody was even aware of the problem. Back in May
we had a complaint from Tiger users (on Intel) that we were able to
solve after two days of debugging. So ... there is a hope to fix this,
but only after quite some debugging, if anyone is ready to do the

But the other side of the coin is that ... Mac OS X Lion is
approaching with inevitable speed. Once that one is out and installed
on our machines, we'll have serious problems anyway since 10.7 won't
allow cross-compilation for Tiger. And the number of Tiger users is
not neglegible at all ...

As far as TeX Live is concerned, the binaries for PPC are compiled on Panther.

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