Thank you for the confirmation. I now see it on two OS X machines, one 
Intel, one Apple Silicon.


On Tuesday, September 13, 2022 at 6:27:53 PM UTC-7 [email protected] wrote:

>
> Hi John,
>
> Yes, here is what I get.
>
> This is on Apple Silicon Macs with Homebrew up to date (make and make 
> pytest and  make ptestlong).
>
> On macOS 12.5.1 (Monterey) with Xcode 13.4.1:  no problems.
> On macOS 12.6 (Monterey) with Xcode 13.4.1:  make ptestlong gives
>     ld: warning: -undefined dynamic_lookup may not work with chained fixups
> 62 times.
> On macOS 12.6 (Monterey) with Xcode 14.0:  make ptestlong gives
>     ld: warning: -undefined dynamic_lookup may not work with chained fixups
> 62 times.
> Could it be related to the macOS update rather than the Xcode one?
>
> On macOS 11.7 (Big Sur) with Xcode 13.2.1:  make ptestlong gives the usual
> ----------------------------------------------------------------------
> sage -t --long --warn-long 50.1 
> --random-seed=318245788045791700970939156526720975873 
> src/sage/matrix/matrix_gf2e_dense.pyx  # 1 doctest failed
> ----------------------------------------------------------------------
> (see https://trac.sagemath.org/ticket/33212).
>
> Guillermo
>
> On Wed, 14 Sept 2022 at 00:03, John H Palmieri <[email protected]> 
> wrote:
>
>> I just upgraded to OS X 12.6, with an accompanying change to Xcode. I am 
>> seeing this warning when doctesting:
>>
>> sage -t --random-seed=76645062578000018559554244400680707390 
>> src/sage/misc/sagedoc.py
>> **********************************************************************
>> File "src/sage/misc/sagedoc.py", line 666, in sage.misc.sagedoc.format
>> Failed example:
>>     cython('\n'.join(cython_code))                                    # 
>> optional - sage.misc.cython
>> Expected nothing
>> Got:
>>     ld: warning: -undefined dynamic_lookup may not work with chained 
>> fixups
>> **********************************************************************
>>
>> (It appears for lots of files, so there are lots of doctest failures.) 
>> Anyone else seeing it?
>>
>  
>

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