Hi,

I tried Sage 8.8 (the app) following Tom's comment and it seems to work 
(thanks Tom). 

I'll try building from source and see how it goes. 

Thanks a lot for your responses. 

Any additional updates/news are very welcome in case others are facing 
similar problems. 

Thanks,
G

On Wednesday, October 9, 2019 at 7:55:27 PM UTC+2, John H Palmieri wrote:
>
>
>
> On Wednesday, October 9, 2019 at 4:51:48 AM UTC-7, David Joyner wrote:
>>
>>
>>
>> On Wed, Oct 9, 2019 at 7:42 AM Dima Pasechnik <dim...@gmail.com> wrote:
>>
>>>
>>>
>>> On Wed, Oct 9, 2019 at 6:34 AM David Joyner <wdjo...@gmail.com> wrote:
>>>
>>>>
>>>>
>>>> On Wed, Oct 9, 2019 at 7:14 AM Dima Pasechnik <dim...@gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> On Wed, Oct 9, 2019 at 6:03 AM George <bono1...@gmail.com> wrote:
>>>>>
>>>>>> Hi David,
>>>>>>
>>>>>> Thanks for the update and information.
>>>>>>
>>>>>> building from source should still work.
>>>>> Did you try this ?
>>>>>
>>>>
>>>> I did. It chokes on the gfortran build:
>>>>
>>>> ...
>>>>
>>>> [gfortran-7.4.0] make[7]: *** [gets-chk.lo] Error 1
>>>>
>>>> [gfortran-7.4.0] make[6]: *** [all] Error 2
>>>>
>>>> [gfortran-7.4.0] make[5]: *** [all-target-libssp] Error 2
>>>>
>>>> [gfortran-7.4.0] make[4]: *** [all] Error 2
>>>>
>>>> [gfortran-7.4.0] 
>>>> ********************************************************************************
>>>>
>>>> [gfortran-7.4.0] Error building gfortran-7.4.0
>>>>
>>>> [gfortran-7.4.0] 
>>>> ********************************************************************************
>>>>
>>>>
>>>>  
>>>>
>>> is there Homebrew for  Catalina?
>>> Then one can use its gfortran.
>>>
>>>
>> I googled around. Apparently the answer is no
>> (or not as of a few days ago anyway).
>>
>
> On a recent beta release of Catalina, I used homebrew to install gfortran, 
> and it went fine, allowing me to build Sage from scratch. I haven't yet 
> tried with the actual release of Catalina, but I will soon.
>
>   John
>
>  
>
>>  
>>
>>>
>>>
>>>>> Dima
>>>>>
>>>>>> G
>>>>>>
>>>>>> On Wednesday, October 9, 2019 at 1:00:37 PM UTC+2, David Joyner wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Oct 9, 2019 at 6:45 AM George <bono1...@gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> I upgraded to the new macOS Catalina and SageMath won't install. I 
>>>>>>>> get errors like "python2.7 cannot be opened because the developer 
>>>>>>>> cannot be 
>>>>>>>> verified" and for numerous other components as well. 
>>>>>>>>
>>>>>>>> Is anyone having the same problem? Any tips, advice or ideas on 
>>>>>>>> what is going on and how to fix this?
>>>>>>>>
>>>>>>>>
>>>>>>> I can confirm this issue. The problem is also discussed in the thread
>>>>>>>
>>>>>>> https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/sage-support/4dUg8mbiDYw/u5o-U9QBCAAJ
>>>>>>> That's all I know.
>>>>>>>  
>>>>>>>
>>>>>>>> Thanks a lot,
>>>>>>>> G
>>>>>>>>
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>>>>>>>>  
>>>>>>>> <https://groups.google.com/d/msgid/sage-support/e69a4235-ec1b-465e-98da-635ed8be1b23%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>>>>> .
>>>>>>>>
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>>>>>>  
>>>>>> <https://groups.google.com/d/msgid/sage-support/1cd586e5-35af-4e39-9322-8e055c144601%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>>> .
>>>>>>
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>>>>>  
>>>>> <https://groups.google.com/d/msgid/sage-support/CAAWYfq0ZBO74cNDnkb33ywH7KkGUNci%3DMxXm5Dsoq5ak-mWb9Q%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>>>> .
>>>>>
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>>>>  
>>>> <https://groups.google.com/d/msgid/sage-support/CAEQuuAWOOuPVgzgGdysYwz3oJ%3DxxV%3DNvj-ePKH__CYTe3x0p%2Bg%40mail.gmail.com?utm_medium=email&utm_source=footer>
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>>>>
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>>>  
>>> <https://groups.google.com/d/msgid/sage-support/CAAWYfq2d7ibBfTaz4dQNuWjTjFA0rL0U_r1ggmXTMJiz-%2B77YQ%40mail.gmail.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>

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