Re: libssh 0.8.1 breaks amarok

[Andreas Schneider <asn@xxxxxxxxxxxxxx>]

On Tuesday, 21 August 2018 10:25:16 CEST Anderson Sasaki wrote:
> Hello,
> 
> ----- Original Message -----
> 
> > From: "Antonio Rojas" <arojas@xxxxxxxxxxxxx>
> > To: libssh@xxxxxxxxxx
> > Sent: Tuesday, August 21, 2018 9:56:07 AM
> > Subject: libssh 0.8.1 breaks amarok
> > 
> > Hi all,
> > 
> >  I need help debugging a strange issue I'm facing when packaging 0.8.1 on
> >  Arch Linux. Updating to 0.8.1 breaks KDE's Amarok music player: on
> >  startup
> >  it throws an error
> > 
> > "The Amarok database reported the following errors:
> > MySQLe something failed! on library initialization failed, return code 1"
> > 
> > The funny thing is that neither amarok nor mariadb (the mysql
> > implementation we use) use libssh at all. The only relationship is that
> > amarok is indirectly linked to it via ffmpeg. And indeed, rebuilding
> > ffmpeg without libssh support fixes the issue. I've bisected it to this
> > commit:
> > 
> > commit 83b43443e51b5db06184750fb874e1e8d7ece95a
> > Author: Anderson Toshiyuki Sasaki <ansasaki@xxxxxxxxxx>
> > Date:   Mon Jul 2 13:03:12 2018 +0200
> > 
> >     threads: Automatically call ssh_init on load
> > 
> > It only happens when using openssl, if I build libssh with libgcrypt there
> > is no issue. Any ideas what may be going on here?
> 
> This is probably caused by the removal of the libssh_threads.so. As a
> workaround, I recommend creating symbolic links pointing to
> libssh.so.4.5.1. This should result in something like:
> 
> libssh_threads.so.4 -> libssh.so.4.5.1
> libssh_threads.so.4.5.1 -> libssh.so.4.5.1
> 
> The removed library only provided one symbol, namely
> ssh_threads_get_pthread, which is now provided by libssh.so (the libraries
> were merged). Any package previously depending on libssh_threads can drop
> its dependency and depend only on libssh.

Ah yes, I forgot. We use something like that:

pushd /buildroot/usb/lib64
for i in libssh.so.4*;
do
    _target="${i}"
    _link_name="${i%libssh*}libssh_threads${i##*libssh}"
    if [ -L "${i}" ]; then
        _target="$(readlink ${i})"
    fi
    ln -s "${_target}" "${_link_name}"
done
popd

-- 
Andreas Schneider                 asn@xxxxxxxxxxxxxx
GPG-ID:     8DFF53E18F2ABC8D8F3C92237EE0FC4DCC014E3D