Re: [e-users] e16-1.0.30 editline support

On 2024-08-13 8:07 PM, [email protected] wrote:
> Hi everyone,
> 
> Thank Kim et al for the efforts to add line editing to eesh. I'm looking
> forward to trying it out, once I can successfully compile it.
> 
> A careful read of the code and output of ./configure suggest the option to
> enable the new editline support is actually --with-lineedit, this is minor.
> 
> The difficultly is that on devuan (debian based), the editline library is
> packaged as libedit2, and the development libraries as libedit-dev. 
> pkg-config
> sees them as `libedit'. I have tried some manipulations of the configure 
> file,
> and have made minimal progress.
> 
> $sed 's/libeditline/libedit/g' configure.orig > configure && ./configure
> This stops pkg-config from complaining, and editline is shown as enabled,
> but make fails with
> =====
> main.c:36:10: fatal error: editline.h: No such file or directory
>      36 | #include <editline.h>
>         |          ^~~~~~~~~~~~
> =====
> 
> The only editline.h that apt-file can find is in the unrelated 
> libcwidget-dev
> package. I had suspected libedit on linux had renamed the editline.h 
> file to
> readline.h*, but examination of the NetBSD source shows the two 
> readline.h files
> are pretty much identical.
> 
> What might be my next step? Or does my original assessment have some flaw?
> 
Hi Peter,

There are a number of (similar but different) line editing libraries out 
there:
editline: https://troglobit.com/projects/editline/
libedit: https://www.thrysoee.dk/editline/
readline: https://tiswww.case.edu/php/chet/readline/rltop.html
and probably others.

The one selected by default by --with-lineedit is editline. On my setup 
this works fine (using editline 1.17.1).
IIRC I did play around with libedit, but had some trouble with it, can't 
remember what just now.

/Kim


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