Hi Iain,
>> On 14 Dec 2015, at 11:13, Rainer Orth <r...@cebitec.uni-bielefeld.de> wrote:
>>
>>>> However, I'm not really comfortable with this solution. Initially, I
>>>> forgot to wrap the -Q option to as in %{gstabs*:...}, which lead to a
>>>> bootstrap failure: the gas- and LLVM-based assemblers differ in a
>>>> number of other ways, as can be seen when comparing gcc/auto-host.h:
>>>
>>> FAOD,
>>> the changes below only occur if you omit the guard on “-Q” ?
>>> or they are present always?
>>
>> they are from previous builds, one with the LLVM-based /usr/bin/as, the
>> other configure with --with-as=/vol/gcc/bin/as-6.4 (gas-based as from
>> Xcode 6.4).
>
> Hrm, this needs more investigation, and will affect 10.10 too, since xc7 is
> the default there.
> (separate issue, let’s start a new PR, or at least a new thread).
right, but it's only an issue if you switch assemblers (or linkers) used
by gcc without rebuilding. This has never been safe on any platform.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
