If you use Conda then you should not run ./configure.

<https://doc.sagemath.org/html/en/installation/source.html#using-conda>

On March 18, 2026 7:39:42 PM CDT, "Seohyeon “Alex” Lee" 
<[email protected]> wrote:
>I used miniforge. The recommendations say 'conda install' but what I 
>actually did was 'mamba install -c conda-forge [packages that showed up in 
>recommendations...]
>
>On Thursday, March 19, 2026 at 6:55:38 AM UTC+9 [email protected] wrote:
>
>> Do want to use Conda for your Sage installation?
>> If not, you should isolate your Conda install from Sage (deactivate
>> the environment, make sure that it's not in the PATH, etc)
>> If yes, you seem to be following a wrong procedure.
>>
>>
>> On Wed, Mar 18, 2026 at 2:37 PM Seohyeon “Alex” Lee
>> <[email protected]> wrote:
>> >
>> > I have a Mac M1 and I'm working on building Sage from source. I followed 
>> the instructions from the README page and the linked documentation, but 
>> noticed I keep getting recommendations like the following at the end of 
>> ./configure.
>> > ```
>> > config.status: creating convenience symlink venv -> 
>> local/var/lib/sage/venv-python3.12.5
>> > real_configure:
>> >
>> > notice: the following SPKGs did not find equivalent system packages:
>> >
>> > cypari fpylll mathjax pplpy primecountpy python3 4ti2 _develop 
>> _recommended coxeter3 free_fonts fricas gp2c igraph msolve onetbb 
>> perl_cpan_polymake_prereq perl_mongodb perl_term_readline_gnu polymake 
>> texlive texlive_luatex xindy
>> >
>> > checking for the package system in use... conda
>> > real_configure:
>> >
>> > hint: installing the following system packages, if not
>> > already present, is recommended and may avoid having to
>> > build them (though some may have to be built anyway):
>> >
>> > $ conda install mathjax
>> >
>> > real_configure:
>> >
>> > hint: installing the following system packages, if not
>> > already present, may provide additional optional features:
>> >
>> > $ conda install 4ti2 openssh pycodestyle esbonio open-fonts igraph tbb
>> >
>> > real_configure:
>> >
>> > hint: After installation, re-run configure using:
>> >
>> > $ make reconfigure
>> > ```
>> > If I try installing the packages mentioned here, I get
>> > ```
>> > Transaction
>> >
>> > Prefix: /Users/{myusername}/miniforge3/envs/sage-dev
>> >
>> > All requested packages already installed
>> > ```
>> > If I ignore this and run make, I end up in the same loop. What can I do 
>> to break out of this cycle?
>> >
>> > --
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>> .
>>
>
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