[BRLTTY] Brltty woes on Centos 7

[Adrian van Bloois]

On Tue, Feb 28, 2017 at 05:51:17PM +0100, Adrian van Bloois wrote:
> On Tue, Feb 28, 2017 at 10:22:50AM -0500, Dave Mielke wrote:
> > [quoted lines by Keith Wessel on 2017/02/28 at 08:26 -0600]
> > 
> > >While the version of brltty that Centos provides works, it lacks a couple
> > >things. 
> > 
> > And, if you're using a laptop on battery power, 4.5 is much less friendly to 
> > that battery than 5 is.
> > 
> > >First, I can't, for anything, get any sound out of it for alert
> > >tunes. After looking at its dependencies, I noticed it didn't have alsa libs
> > >listed. Could it be that the Centos-distributed version (brltty-4.5-13.el7)
> > >doesn't have any sound support other than the beeper device?
> > 
> > Do ldd on the brltty executable to see which libraries it's using.
> > 
> > >So, I tried the brltty-5.4 RPM available for download from brltty.com. I
> > >really wanted to move to Brltty V5, anyway. I run it at home on a Gentoo
> > >system, and I like a number of the changes including the new button mappings
> > >for my PowerBraille 80. Sadly, it's looking for, among other things, libicu
> > >4.9. Centos 7 comes with 5.0. Sigh.
> > 
> > Best, really, to build brltty for yourself. That way, you can specifically 
> > configure it for the system you have.
> > 
> > >Next stop, the source RPM. Try to build my own. I attempt to add the many
> > >dependencies required to build the RPM: 23 that I didn't yet have. However,
> > >one can't be met: gcc-java. It's not available in RHEL and Centos 7 that I
> > >can see.
> > 
> > You can configure with --disable-java-bindings. That shouldn't cause any 
> > problems. Again, though, doing that may require a non-RPM build. Get the 
> > tarball - not the rpm - and build from that.
> > 
> > >Can anyone point me to a binary RPM of Brltty for Centos 7 that has ALSA
> > >support for PCM alert tunes? Or perhaps the Centos one does and I'm just not
> > >configuring something right? I tried many times this week to make it work.
> > 
> > I myself am not familiar with CentOS 7. Maybe someone else on this list is.
> yes, I'm running CentOS 7.3 since a couple of months.
> As Dave suggests,  use the tarball!!!
> Attached is my brltty.service which differs from the one from the rpm or
> the one from the tarball.
One thing more, remove the -t my from the start line in brltty.service

> My configure script is like this:
> ./configure \
> 	--prefix=/usr/local \
> 	--sysconfdir=/etc \
> 	--datadir=//usr/local/share \
> 	--localstatedir=/var \
> 	--disable-java-bindings \
> 	--disable-tcl-bindings \
> 	--disable-lisp-bindings \
> 	--disable-ocaml-bindings \
> 	--with-braille-driver=YOURDISPLAYDRIVER \
> 	--with-curses=ncurses \
> 	--with-screen-driver=lx
> > 
> > >Alternatively, can anyone make suggestions for building the srpm? What
> > >changes might I need to make to the configure command-line to not need
> > >gcc-java, 
> > 
> > As mentioned above: Build from the tarball, and configure with 
> > --disable-java-bindings.
> > 
> > >and would might I lose if I left that out? 
> > 
> > Only the functinality of anything that relies on the Java bindings for BrlAPI. 
> > I don't think there are any major public apps that do.
> > 
> > >Would that hurt any of the Gnome/Orca brlapi integration?
> > 
> > No. They use the Python bindings.
> > 
> > -- 
> > Dave Mielke           | 2213 Fox Crescent | The Bible is the very Word of God.
> > Phone: 1-613-726-0014 | Ottawa, Ontario   | http://Mielke.cc/bible/
> > EMail: Dave at Mielke.cc | Canada  K2A 1H7   | http://FamilyRadio.org/
> > _______________________________________________
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> > To post a message, send an e-mail to: BRLTTY at brltty.com
> > For general information, go to: http://brltty.com/mailman/listinfo/brltty
> 
> -- 
> 	Adri P. van Bloois
> 
> 
> "Elegance is not a dispensable luxury but a factor that decides between 
>  success and failure."
> 	Edsger W. Dijkstra
> _______________________________________________
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> To post a message, send an e-mail to: BRLTTY at brltty.com
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-- 
	Adri P. van Bloois


"Elegance is not a dispensable luxury but a factor that decides between 
 success and failure."
	Edsger W. Dijkstra