problems building develop branch

[Anne Schilling]

Dear All,

I am having trouble again to build the latest develop branch on MacOS 10.15.6. The log files can be found at

https://www.math.ucdavis.edu/~anne/config.log

https://www.math.ucdavis.edu/~anne/gf2x-1.3.0.log

Best wishes,

Anne

[Dima Pasechnik]

we all have this, thanks to Apple for xcode 12.

see 

https://trac.sagemath.org/ticket/30494

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[Matthias Koeppe]

Hi Anne,

This is from the new Xcode 12 that probably came with a system update.

https://trac.sagemath.org/ticket/30494 tracks the progress of fixing Sage to support the new Xcode version.

Matthias

[Anne Schilling]

Ok, thanks for letting me know. Does that mean I can now not work on tickets that are based on the latest develop branch?

Anne

[Dima Pasechnik]

On Mon, 21 Sep 2020, 17:14 Anne Schilling, <anne1.s...@gmail.com> wrote:

Ok, thanks for letting me know. Does that mean I can now not work on tickets that are based on the latest develop branch?

how exactly they are based doesn't really matter, on macOS 10.15 and 11 Sage is seriously broken.

Linux might be your best bet for the time being.

Anne

On Monday, September 21, 2020 at 8:58:18 AM UTC-7 Matthias Koeppe wrote:

Hi Anne,

This is from the new Xcode 12 that probably came with a system update.

https://trac.sagemath.org/ticket/30494 tracks the progress of fixing Sage to support the new Xcode version.

Matthias

On Monday, September 21, 2020 at 8:51:35 AM UTC-7 anne1.s...@gmail.com wrote:

Dear All,

I am having trouble again to build the latest develop branch on MacOS 10.15.6. The log files can be found at

https://www.math.ucdavis.edu/~anne/config.log

https://www.math.ucdavis.edu/~anne/gf2x-1.3.0.log

Best wishes,

Anne

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[Matthias Koeppe]

You can try to downgrade your Xcode command line tools to 11.x, for example using this:

https://download.developer.apple.com/Developer_Tools/Command_Line_Tools_for_Xcode_11.5/Command_Line_Tools_for_Xcode_11.5.dmg

[Volker Braun]

* Download Xcode 11 (distributed as .xip I think, double-click to unpack)

* Rename to Xcode-11.app so it doesn't clash with Xcode.app
* Move to /Applications

* Run "xcode-select -p /Applications/Xcode-11.app/Contents/Developer" to switch

[Kwankyu Lee]

The last line of Volker's recipe is actually:

* Run "xcode-select --switch /Applications/Xcode-11.app/Contents/Developer" to switch

[Anne Schilling]

Thank you everyone! That worked! Anne