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Subject:	Re: [geda-user] Problem with Guile 2.2.4 dependency for gEDA 1.10.1.
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From:	"Glenn (glimrick AT epilitimus DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Date:	Sun, 20 Dec 2020 13:19:57 -0800
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Roland Lutz wrote:
> On Sat, 19 Dec 2020, Glenn (glimrick AT epilitimus DOT com) [via
> geda-user AT delorie DOT com] wrote:
>> I am willing to write the patch if needed.
>
> Thank you!  I really appreciate that. :-)
>
> In this case, I had a specific way of solving this issue in mind which
> would not make the (already kind of confusing) code more complicated,
> so I patched it myself.  But there is another thing where you could help:
>
Thank you!
> Would you mind finding out versions of the build dependencies are
> actually
> necessary?
>
> I don't expect you to hunt down every API change in every tool and
> library used (that would be a tremendous effort); simply knowing that
> version X.Y compiles successfully and doesn't show any obvious
> problems when running would already be very helpful.
>
For stable-1.10.0 and master pre 1.10.1 update I was building and
running successfully with:
> guile-2.0 - 2.0.11
> glib-2.0 - 2.46.2
> gio-2.0 - 2.46.2
> gtk+-2.0 - 2.24.30
> gdk-2.0 - 2.24.30
> gdk-pixbuf-2.0 - 2.32.3
> cairo - 1.14.6
> cairo-png - 1.14.6
> cairo-pdf - 1.14.6
> cairo-ps - 1.14.6
> cairo-svg - 1.14.6
> pangocairo - 1.38.1
> pango - 1.38.1

Those are all stock Slackware 14.2 installs. Slackware 14.2 was released
2016-17 (I believe) so that should be a good start.

In case anyone else wants to chime in (I don't claim to be a bash
scripting expert):

> #!/bin/bash
> packs="guile-2.0 \
>       glib-2.0 \
>       gio-2.0 \
>       gtk+-2.0 \
>       gdk-2.0 \
>       gdk-pixbuf-2.0 \
>       cairo \
>       cairo-png \
>       cairo-pdf \
>       cairo-ps \
>       cairo-svg \
>       pangocairo \
>       pango"
>
> for m in $packs; do
>  echo $m - `pkg-config --modversion $m`
> done
If there are any I missed let me know.

I will try your fix tonight, changing required version numbers if needed
to the above and let you know what happens.

As I said previously I really don't have an issue with upgrading guile
to 2.2 as the default, as long as 2.0 is still an option. After looking
into it I think I understand the rationale and support it. But... On my
machine there are several system utilities that use 2.0 which would
require rebuilding etc. Pango was the one that opened a can of worms as
it had dependencies that affected X and I *really* don't want to have to
rebuild X et al. I've done it before, it wasn't fun.

Perhaps in the future a simple poll in geda-user of what people are
successfully using would be a better approach. Unless you like screaming
that is :) And if nobody responds then they have no grounds to complain :P

Glenn

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