With the workaround, when you set OBJC_DISABLE_INITIALIZE_FORK_SAFETY, it 
must be set to YES, not yes. Which way did you try it?

  John


On Monday, December 17, 2018 at 1:56:38 PM UTC-8, Justin C. Walker wrote:
>
>
>
> > On Dec 16, 2018, at 14:35 , Volker Braun <vbrau...@gmail.com 
> <javascript:>> wrote: 
> > 
> > As always, you can get the latest beta version from the "develop" git 
> branch. Alternatively, the self-contained source tarball is at 
> http://www.sagemath.org/download-latest.html 
>
> Built w/o problems, from a fresh clone of the develop tree, on two macOS 
> systems. 
>
> 10.13.6 (2017 iMac Pro, Xeon W): testing (‘ptestlong’) yielded two 
> failures: 
> sage -t --long --warn-long 57.7 src/sage/combinat/designs/ext_rep.py  # 
> Killed due to abort 
> sage -t --long --warn-long 57.7 src/sage/doctest/external.py  # Killed due 
> to abort 
>
> The discussion in #25921 indicates that these are due to the issue with 
> fork/exec in Obj-C code.  The “workaround” suggested doesn’t work for 
> either of these in my case.  Using “OBJC_DISABLE… sage -t …”, I still get 
> an immediate abort in both cases. 
>
> 10.11.6 (mid-2015 MBP, Quad-core Core i7): testing (‘ptestlong’) had all 
> tests passing. 
>
> Justin 
>
> -- 
> Justin C. Walker, Curmudgeon-At-Large 
> Institute for the Absorption of Federal Funds 
> -------- 
> Men are from Earth. 
> Women are from Earth. 
>    Deal with it. 
> -------- 
>
>
>
>

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