A miracle!!! Sage has installed on MacOS 15.0. I uninstalled homebrew from 
/usr/local.

Thank you for being so patient with me!

Anne

On Thursday, September 26, 2024 at 3:31:02 PM UTC-7 John H Palmieri wrote:

> On Thursday, September 26, 2024 at 3:27:50 PM UTC-7 dim...@gmail.com 
> wrote:
>
> On Thu, Sep 26, 2024 at 10:56 PM John H Palmieri <jhpalm...@gmail.com> 
> wrote: 
> > 
> > Before deleting anything, you could try expunging all mention of 
> /usr/local from your PATH and other variables wherever they're set 
> (.profile or .bashrc or .zshrc or whatever), and start a clean Terminal 
> session with the new settings. At this point you may need to install 
> homebrew (if it thinks it's only installed in /usr/local). Then source 
> .homebrew-build-env, check PATH and other variables again, run ./configure 
> and install whatever packages Sage recommends. If this all happens to work, 
> then you can start going through /usr/local to see if there is anything 
> there that didn't come from homebrew that you want to keep. 
>
> John, why that complicated? 
>
>
> Partly it's my personality: I tend to be cautious about deleting things. 
> Second, there may be other things in /usr/local that didn't come from 
> homebrew and that may be interfering with Sage installation. (TeXLive might 
> be installed there, as an example of something benign — no impact on Sage 
> installation. Who knows what else might have been migrated there, though?) 
> Probably you're right and your suggestion will work fine and be simpler, 
> though.
>
>
>  
>
> I think Anne's machine has 2 copies of 
> Homebrew. The link I posted 
> (https://github.com/homebrew/install#uninstall-homebrew) has this 
> advice: 
>
> If you want to to uninstall Homebrew from a specific prefix (e.g. when 
> migrating from Intel to Apple Silicon processors), download the 
> uninstall script and run it with --path: 
>
> curl -fsSLO 
> https://raw.githubusercontent.com/Homebrew/install/HEAD/uninstall.sh 
> /bin/bash uninstall.sh --path /usr/local 
>
> Dima 
>
>

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