[Maxima-bugs] [maxima:bugs] #3909 --disable-readline does not disable GCL's editline support

[Andreas K. <ind...@us...>]

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** [bugs:#3909] --disable-readline does not disable GCL's editline support**

**Status:** open
**Group:** None
**Created:** Sun Jan 02, 2022 08:01 PM UTC by Andreas Kloeckner
**Last Updated:** Sun Jan 02, 2022 08:01 PM UTC
**Owner:** nobody


It appears that sometime recently, GCL has switched to using libedit / editline [1]. If run with GCL compiled with editline, the --disable-readline option no longer works. This is significant because it causes other code that talks to maxima through stdin/stdout to fail, e.g. this here:

https://github.com/inducer/pymbolic/blob/main/pymbolic/interop/maxima.py

Sagemath has similar code, though I am unsure whether they are still using it. Code analogous to these lines

https://github.com/andrejv/maxima/blob/b11405d303f657766060c6d725474ccdcacf9c2a/src/init-cl.lisp#L456-L457

but with s/readline/editline seems to fix this. Probably, --disable-readline should disable editline as well.

[1] https://www.thrysoee.dk/editline/


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