I've spent the last few days recompiling several versions of GCC and 
installing them in /usr/local/gccxx so I can try different versions of GCC 
against the different versions of Sage I have.

Yes, I'm building Sage as root (uid = 0).

I will report back as soon as my tests are complete.

Thanks for the suggestions.

- Dale



On Sunday, July 28, 2024 at 9:16:01 AM UTC-5 Volker Braun wrote:

> Pretty sure he means the "uid == 0" kind of root ;)
>
> If you have enough memory: try upgrading to gcc 14.1.1 or use our bundled 
> gcc 13 (./configure --with-system-gcc=no)
>
> On Sunday, July 28, 2024 at 4:10:32 PM UTC+2 Dima Pasechnik wrote:
>
>>
>>
>> On 24 July 2024 17:15:36 BST, Dale Marshall <wvea...@gmail.com> wrote: 
>> > 
>> >I'm on a closed network so I cannot provide the log files. 
>> > 
>> >I'm building Sage 10.4 on a RHEL8.10 box using root and GCC 14.1.0. The 
>> >configure line was: 
>> > 
>> >./configure --prefix=<location> --enable-build-as-root --enable-wheels 
>> >--with-python=<python 3.12.1 location> 
>> > 
>> >The configure showed lots of packages to be compiled (even though I've 
>> >installed as many as I could). The make eventually fails on 
>> >giac-1.9.0.15p0. 
>> > 
>> >The last error messages are: 
>> >init2.c:52:MPFR assertion failed: p >= 2 && p <= ((mpfr_prec_t) 
>> >((mprf_uprec_t)(~(mpfr_uprec_t)0)>>1)) 
>> >during GIMPLE pass: fre 
>> >modpoly.cc: In function 'std::complex<double> giac::horner_newton(const 
>> >vecteur&, conf std::complex<double>&, const context*)'; 
>> >modpoly.cc:16083:1: internal compile error: Aborted 
>> >16083 | } // namespace giac 
>> > | ^ 
>> >0xf0873f crash signal 
>> >../../gcc-14.1.0/gcc/toplev.cc:319 
>> >0x7f624acd43c2 mpc_div_zero 
>>
>> this is usually a sign that the compiler ran out of memory. 
>>
>> C++ complilers are very memory-hungry. 
>> Can you make sure there is 4Gb or more of RAM 
>> available? 
>>
>> We should test Sage with root - presume you mean 
>> <https://root.cern/> ? 
>>
>> Dima 
>> > 
>> > 
>> >Oh... I'm getting the same error on my CentOS7.9 box using the same 
>> version 
>> >of GCC. 
>> > 
>> >Any suggestions on what I can do to resolve this issue would be welcome. 
>> > 
>> >- Dale 
>> > 
>>
>

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