For the --with-system-python3=no, I don't know what the problem is but I
think it was fixed by upgrading to python 3.9
in https://trac.sagemath.org/ticket/30589
On Monday, February 1, 2021 at 9:45:37 PM UTC-5 John H Palmieri wrote:
> On OS X Big Sur (intel), as of the most recent Xcode and homebrew, I am
> currently unable to build Sage with either homebrew's Python or with
> `./configure --with-system-python3=no`.
>
> - With homebrew's Python, actually Sage builds but the documentation does
> not (similar problems on both Big Sur and Catalina), ending with
>
> ------------------------------------------------------------------------
> 0 signals.cpython-39-darwin.so 0x000000010cd40542
> print_backtrace + 66
> 1 signals.cpython-39-darwin.so 0x000000010cd44167 sigdie + 39
> 2 signals.cpython-39-darwin.so 0x000000010cd4406a
> cysigs_signal_handler + 282
> 3 libsystem_platform.dylib 0x00007fff203bcd7d _sigtramp + 29
> 4 ??? 0x000000000000003f 0x0 + 63
> 5 libtcl8.6.dylib 0x000000032998c72e AtForkPrepare +
> 38
> 6 libsystem_pthread.dylib 0x00007fff203781a3
> _pthread_atfork_prepare_handlers + 90
> 7 libSystem.B.dylib 0x00007fff2a575934
> libSystem_atfork_prepare + 11
> 8 libsystem_c.dylib 0x00007fff2025bb1b fork + 12
> 9 _posixsubprocess.cpython-39-darwin. 0x000000010b63db89
> subprocess_fork_exec + 1573
> 10 Python 0x000000010af10904 cfunction_call
> + 127
> 11 Python 0x000000010aedffa3
> _PyObject_MakeTpCall + 266
> 12 Python 0x000000010af88027 call_function +
> 455
> ...
> 157 Python 0x000000010afcf10f Py_BytesMain +
> 42
> 158 libdyld.dylib 0x00007fff20393621 start + 1
> ------------------------------------------------------------------------
> Unhandled SIGILL: An illegal instruction occurred.
> This probably occurred because a *compiled* module has a bug
> in it and is not properly wrapped with sig_on(), sig_off().
> Python will now terminate.
> ------------------------------------------------------------------------
> ...
> File
> "/Users/palmieri/Desktop/Sage/sage_builds/TESTING/sage-9.3.beta6/local/lib/python3.9/site-packages/sage_setup/docbuild/utils.py",
>
> line 221, in reap_workers
> w = bring_out_yer_dead(w, task, exitcode)
> File
> "/Users/palmieri/Desktop/Sage/sage_builds/TESTING/sage-9.3.beta6/local/lib/python3.9/site-packages/sage_setup/docbuild/utils.py",
>
> line 157, in bring_out_yer_dead
> raise WorkerDiedException(
> sage_setup.docbuild.utils.WorkerDiedException: worker for
> ('reference/misc', 'en', 'html', {}) died with non-zero exit code -4
>
> - With `./configure --with-system-python3=no`, Python fails to build (on
> Big Sur only; it succeeds on Catalina), saying
>
> ModuleNotFoundError: No module named 'readline'
>
> and
>
> ModuleNotFoundError: No module named 'zlib'
>
> Any suggestions?
>
> --
> John
>
>
>
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