On Sun, Oct 28, 2012 at 09:50:21PM +0100, Peter Dyballa wrote:
>
> Am 28.10.2012 um 20:05 schrieb Jack Howarth:
>
> > In particular there are linker bugs regarding weak undefined symbols which
> > aren't addresses until Xcode 4.4.1.
>
> Should this really play such a role? In the end the installed GCC 4.7 is
> compiled by GCC 4.7…
The bug I am referring to is radr://10466868, "-undefined dynamic_lookup
linker bug" which was introduced in
in 4.2 and fixed in 4.4.1. With this fixed, most of the remaining failures in
the FSF gcc testsuite (such as
gcc.dg/torture/pr53922.c) can be resolved by passing the linkage command
'-undefined dynamic_lookup). Weak
symbol handling has always been a weak point on darwin (especially weakref
which has its own slate of issues).
Jack
>
> --
> Greetings
>
> Pete
>
> Don't force it; get a larger hammer.
> – Anthony's Law of Force
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