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2020-04-30 03:56:49 +0200 commented answer Where is Sage for Mountain Lion OSX 10.8.5?

It won't let me edit my comment anymore so I have to rewrite it.

Versions 6.9 through 7.4 builds perfectly on Mac OS 10.8.5, Xcode 5.1.1, Apple Clang 4.0, no problems.

As instructed in the tar.gz's README.txt or README.md file. the only command needed is "make". More recent Sage build instructions do not seem to be relevant. (There is no need to make "configure" or "openssl".)

7.4 and later fail because OpenBLAS was added to SAGE and the OpenBLAS build requires a compiler that knows certain SSE or AVX opcodes.

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2020-04-26 15:49:09 +0200 commented answer Where is Sage for Mountain Lion OSX 10.8.5?

Version 7.2 builds perfectly on Mac OS 10.8.5, Xcode 5.1.1, Apple Clang 4.0, no problems.

PLEASE USE THE BUILD INSTRUCTIONS INSIDE THE TAR.GZ'S README.txt OR README.md. ANY NEWER BUILD INSTRUCTIONS ARE NOT RELEVANT.

update: 6.9 also builds; 7.4 does not build (OpenBLAS), I'm currently testing 7.3.

I made a little script that prepares the PATH and LD_LIBRARY_PATH and saves output to a logfile, and it ran all the way through with no need for user interaction. Brilliant!

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2020-04-26 00:32:59 +0200 commented answer Where is Sage for Mountain Lion OSX 10.8.5?

Thank you very much, quite helpful. Current compile instructions are probably different from 7 years ago, hopefully correct instructions are in each tarball.

I only really want Sage for Maxima, plus the confidence of being able to do group theory if I need it.

Maxima is hard to get any other way because Macports have abandoned their original mission of being able to build older versions of software on older systems (you now must use git on a new machine to checkout an old version of MacPorts' "portfile tree", then tarball and transfer to the old machine; even then you can build only things whose tar.gz files have not been vacuously deleted from the servers and mirrors).

I'll follow up after I've built various Sage versions.

2020-04-25 22:57:59 +0200 commented answer Where is Sage for Mountain Lion OSX 10.8.5?

Is Xcode command-line tools enough, or do I also have to get a lot of other software installed too (like I̶m̶a̶g̶e̶M̶a̶g̶i̶c̶k̶, ghostscript, f̶f̶m̶p̶e̶g̶, and hundreds of separate Python libraries)? . . . edit: I'm looking at the compile instructions again, and it seems a lot of the things they mention are optional... so I guess I'll just try it!

2020-04-24 06:44:02 +0200 commented question Where is Sage for Mountain Lion OSX 10.8.5?

I am currently running Sage 5.6 on this system, which I was able to install from a DMG I archived on an even older system. But I should be able to run something newer, like version 6.9 which runs on Mac OS X 10.7.

I'm working from home and this is the system I have. I can't afford a new one and I can't upgrade it because I have other maths-related work that will break if I upgrade its Mac OS.

Whatever reason would there be to delete Sage versions from all of the mirrors? That's just cruel.

2020-04-23 22:46:56 +0200 asked a question Where is Sage for Mountain Lion OSX 10.8.5?

I cannot find a download site or mirror with anything prior to OSX 10.11


(Answered by slelievre, Xcode 5.1.1 is all that's needed to build from source)

USE THE README.txt or README.md INSIDE THE OLD VERSION'S tar.gz, NOT ANY MORE RECENT BUILD INSTRUCTIONS