9.3 build: suppress "do you want to install" questions

[Harald Schilly]

I'm trying to build 9.3 for CoCalc. Well, this time again after 9.1,9.2 , there are these "Are you sure you want to continue [Y/n]" questions for optional packages. I'm also building with two threads at once. So, what seems to happen is that on thread stops and asks this question, while the other one continues. Then, later, somehow this all stalls and waits forever.

1. I would expect that such a question blocks everything and doesn't essentially vanish – or, if there is a parallel build, just warn the user about it and don't wait for it, or ask at the very beginning about this.

2. Is there an option to automatically accept all such questions? I tried to pipe `yes` or something similar, but it didn't work.

Example output I saw just now:

spkg-install' '/ext/sage/sage-9.3/logs/pkgs/sagelib-9.3.log'                                                                           

sage-logger -p 'SAGE_CHECK=no sage-spkg   awali-1.0.2-190218' '/ext/sage/sage-9.3/logs/pkgs/awali-1.0.2-190218.log'                    

=========================== WARNING ===========================                                                                        

You are about to download and install the experimental package                                                                         

awali-1.0.2-190218.  This probably won't work at all for you! There                                                                    

is no guarantee that it will build correctly, or behave as                                                                             

expected. Use at your own risk!                                                                                                        

===============================================================                                                                        

Are you sure you want to continue [Y/n]? [sagelib-9.3] Discovering Python/Cython source code....                                       

[sagelib-9.3] distributions = ['', 'sage-mcqd', 'sage-bliss', 'sage-coxeter3', 'sage-meataxe']                                         

[sagelib-9.3] Discovered Python/Cython sources, time: 1.73 seconds.                                                                    

[sagelib-9.3] running build                                                                                                            

[...]

-- Harald

[Vincent Delecroix]

$ sage -advanced

says

"""
Package handling:

--package [args] -- call the package manager with given arguments.
Run without arguments for help.
--experimental -- list all experimental packages that can be
installed
-i [opts] [pkgs] -- install the given Sage packages. Options:
-c -- run the packages' test suites,
overriding the settings of
SAGE_CHECK and SAGE_CHECK_PACKAGES
-d -- only download, do not install packages
-f -- force build: install the packages even
if they are already installed
-s -- do not delete the temporary build
directories
after a successful build
-y -- reply yes to prompts about experimental
and old-style packages; warning: there
is no guarantee that these packages will
build correctly; use at your own risk
-n -- reply no to prompts about experimental
and old-style packages
"""

So -i -y should work.

Vincent

[Harald Schilly]

Ok, yes, that's the sage install command. I should have added that I'm
one step earlier. I did "./configure ... {--enable-XYZ=yes|no about 90
times}" and then make.

Or is there also some configuration switch I did miss?!

[Dima Pasechnik]

--enable-experimental-packages

hopefully does the trick

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[Harald Schilly]

ok, thank you

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