On Sun, 2016-10-16 at 23:09 +0200, David Kastrup wrote:
> 
> David Sumbler <da...@aeolia.co.uk> writes:
> 
> > 
> > On Sun, 2016-10-16 at 21:19 +0200, David Kastrup wrote:
> > > 
> > > 
> > > David Sumbler <da...@aeolia.co.uk> writes:
> > > 
> > > > 
> > > > 
> > > > 
> > > > Further to the above, I find that if I type
> > > > 
> > > > /usr/local/lilypond/usr/bin/guile
> > > > 
> > > > then readline works just fine.
> > > Guile 2.0
> > > 
> > > > 
> > > > 
> > > > 
> > > >  But not when guile is invoked with
> > > > 
> > > > lilypond scheme-sandbox
> > > Guile 1.8
> > Sorry, this hasn't helped me.
> > 
> > True, if I type 'guile' it runs /usr/bin/guile-2.0, but if I type
> > /usr/bin/guile-1.8 readline also works.
> That's the system installation of Guile, not the one used in
> LilyPond.
> 
> > 
> > 
> > Presumably when I type 'lilypond scheme-sandbox' it runs the guile
> > at
> > /usr/local/lilypond/usr/bin/guile, rather than the one in
> > /usr/bin/.
> LilyPond doesn't run any Guile executable.  It just loads the Guile
> REPL
> and runs it in LilyPond as LilyPond is linked with libguile.
I don't quite understand that, but may be it's not important for me to
understand.

> 
> > 
> >  As Lilypond seems to have readline files in
> > /usr/local/lilypond/usr/lib/ and
> > /usr/local/lilypond/usr/share/guile/1.8/ice-9/
> > I would have expected readline to work.  Why are the files there if
> > they can't be used?
> Probably you don't have the necessary libraries installed.  Wrong
> architecture?  Is your LilyPond a 64bit version?
Yes, I'm running the 64-bit version of Lilypond 2.19.40.

David

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