/usr/bin/python will be removed in macOS 12.3!

[Gerben Wierda]

> On 21 Feb 2022, at 17:06, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
> On Feb 19, 2022, at 11:06, Gerben Wierda wrote:
> 
>> But how does one (a) find out the dependency exists and (b) make sure the software finds python from MacPorts?
> 
> General-purpose answers to either question are not possible. Each affected port will need to be investigated and fixed in its own unique way.
> 
> /usr/bin/python might be used
> 
> * directly by the Portfile specifying /usr/bin/python somewhere
> * in a patchfile that references /usr/bin/python explicitly
> * as a shebang line (e.g. "#!/usr/bin/python" or "#!/usr/bin/env python") in files used by the port at build time and/or installed by the port 
> * by a build system that uses the first binary it finds named "python"
> * in unknowable other ways
> 
> To tell the build system to use a particular python, one might need to
> 
> * set the PYTHON environment variable at configure time -- this is accomplished by setting the configure.python option
> * specify some other configure environment variable or argument
> * patch files
> * do something else


For a test I was planning to adapt the migration approach. Save the ‘requested’ list. Uninstall all ports. Temporary mv /usr/bin/python out of the way. Build the requested list.

I can do this on a secondary system.

This would tell me at least that the ports I have installed all install without /usr/bin/python, which takes care of any build dependencies.

Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>)
R&A IT Strategy <https://ea.rna.nl/> (main site)
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