OpenBLAS fixed in Xcode 11.2

[Jack Howarth]

On Fri, Nov 8, 2019 at 7:53 AM Jack Howarth <howarth.at.macports at gmail.com>
wrote:

> FYI, I got this back on my radar about gmp still being broken in Xcode
> 11.2...
>
> Engineering has provided the following information regarding this issue:
> It sounds like gmp has a memory corruption issue which -fstack-check has
> uncovered.  We suggest filing a bug with the developers of gmp.
>
> For course, the upstream gmp developer constantly rants about how broken
> clang is so he will probably just blame the llvm developers for the
> breakage.
>     Jack
>
>
from https://gmplib.org/list-archives/gmp-bugs/2019-November/004660.html

Many people are reporting that Catalina's version of clang miscompiles GMP.
We don't have any workaround. We generally don't work around compiler bugs.
-- Torbjörn


> On Fri, Nov 1, 2019 at 5:09 AM Jack Howarth <howarth.at.macports at gmail.com>
> wrote:
>
>> The issues in gmp might not be fixed in Xcode 11.2. The exact issue isn't
>> listed in the current gmp Portfile but 'sudo port test gmp' shows...
>>
>> PASS: bit
>>
>> ../../test-driver: line 107: 63647 Segmentation fault: 11  "$@" >
>> $log_file 2>&1
>>
>> FAIL: t-powm
>>
>>          Jack
>>
>> On Thu, Oct 31, 2019 at 10:51 PM Ryan Schmidt <ryandesign at macports.org>
>> wrote:
>>
>>>
>>>
>>> On Oct 31, 2019, at 20:34, Joshua Root wrote:
>>>
>>> > On 2019-11-1 11:49 , Jack Howarth wrote:
>>> >>      Although it wasn't fixed in Xcode 11.2 beta 2, the -fcheck-stack
>>> >> issues with OpenBLAS's test suite are fixed in the final Xcode 11.2
>>> >> released today.
>>> >>          Jack
>>> >
>>> > Good to hear. Ryan, could you please update Xcode on the Catalina
>>> > buildslave ASAP?
>>>
>>> Got it. It will be easier to wait until the portbuilder queue is empty.
>>> I'll try to pause it and update it before it goes on to the next batch.
>>
>>
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