OpenBLAS fixed in Xcode 11.2

[Chris Jones]

Hi,

GCC has the same -fstack-check option, just not enabled by default. 
Maybe if we can show the same happens with gcc if that is enabled that 
would help...

Chris

On 08/11/2019 12:53 pm, Jack Howarth 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
> 
> On Fri, Nov 1, 2019 at 5:09 AM Jack Howarth 
> <howarth.at.macports at gmail.com <mailto: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 <mailto: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.
>