Installing polymake on macOS 10.15.7: Term::Readline::Gnu error

Postby **Aryaman** » 09 Dec 2022, 15:48

Hi!

I'm trying to install polymake 4.7 on a macOS 10.15.7 (Intel processor) and I seemed to be able to install all of the dependencies that used Perlbrew without an issue except for one, the Term::ReadLine::Gnu. I should maybe mention the places where I deviated from the polymake instructions:
1) I ran

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tar -xvf polymake-4.7.tar.bz2

instead of tar -xvfj because the latter resulted in the error Couldn't open 'j'.
2) I ran the ninja -C command without sudo.

When I tried running cpanm Term::ReadLine::Gnu I got the following output:

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aryamanjal@Aryamans-MacBook-Pro polymake-4.7 % cpanm Term::ReadLine::Gnu
--> Working on Term::ReadLine::Gnu
Fetching http://www.cpan.org/authors/id/H/HA/HAYASHI/Term-ReadLine-Gnu-1.45.tar.gz ... OK
Configuring Term-ReadLine-Gnu-1.45 ... N/A
! Configure failed for Term-ReadLine-Gnu-1.45. See /Users/aryamanjal/.cpanm/work/1670595481.15948/build.log for details.

And as you might expect, the build.log says:

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Unpacking Term-ReadLine-Gnu-1.45.tar.gz
Entering Term-ReadLine-Gnu-1.45
Checking configure dependencies from META.json
Checking if you have ExtUtils::MakeMaker 6.58 ... Yes (7.64)
Configuring Term-ReadLine-Gnu-1.45
Running Makefile.PL
readdir() attempted on invalid dirhandle $dir_fh at /Users/aryamanjal/perl5/lib$
closedir() attempted on invalid dirhandle $dir_fh at /Users/aryamanjal/perl5/li$
readdir() attempted on invalid dirhandle $dir_fh at /Users/aryamanjal/perl5/lib$
closedir() attempted on invalid dirhandle $dir_fh at /Users/aryamanjal/perl5/li$
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The libreadline you are using is the libedit library.  Use the GNU Readline Lib$
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-> N/A
-> FAIL Configure failed for Term-ReadLine-Gnu-1.45. See /Users/aryamanjal/.cpa$

The fixes suggested online to switch from the libedit library to the GNU Readline Lib involves

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brew link --force readline
cpanm Term::ReadLine::Gnu
brew unlink readline

which is what the polymake instructions suggests is only necessary for macOS 10.14. For reference, a similiar issue was what encountered by someone in this post
https://forum.polymake.org/viewtopic.php?t=1840

The rest of the installation went through fine and when I call polymake I get the following output:

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aryamanjal@Aryamans-MacBook-Pro polymake-4.7 % polymake
Welcome to polymake version 4.7
Copyright (c) 1997-2022
Ewgenij Gawrilow, Michael Joswig, and the polymake team
Technische Universität Berlin, Germany
https://polymake.org

This is free software licensed under GPL; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Loading applications now...Can't locate object method "new" via package "Term::ReadLine::Gnu" at /usr/local/share/polymake/perllib/Polymake/Core/Shell.pm line 54.

So if you have any pointers on how to resolve this error or perhaps reinstall, I would be grateful to hear them. Thanks in advance.