[LAU] jackd & debian problems

[Robin Gareus]

Lars Luthman wrote:
> On Wed, 2007-04-18 at 10:33 -0500, Josh Lawrence wrote:
>> hello list,
>>
>> first off, I'm running debian etch, and installing everything via
>> packages (sans the kernel).
>>
>> last night I decided I wanted to try out the sequencer dino, which
>> requires a later version of jack than my repos offer.  I uninstalled
>> jack (which uninstalled other jack applications), and compiled the
>> newest version of jack and qjackctl.  this is where the problem
>> started...
>>
>> now when I want to add a package from the repos, it wants to install
>> the repos version of jack, and won't simply use the version I have
>> compiled.  conflicts abound, and the net effect is that all jack apps
>> are not working at the moment.
>>
>> there must be some way in debian to say, "don't worry about the jackd
>> dependency, I've already got that installed."  or am I doomed to
>> compile everything from source now that I've compiled jack from
>> source?  is it all or nothing?
> 
> This is how I do it:
> 
> 1. Install the latest Debian package (using 'apt-get install
> libjack0.100.0-0')
> 2. Get the JACK source package you need, configure it with
> --prefix=/usr, build it and install it (without uninstalling the Debian
> package)
> 3. Remove all files starting with libjack-0.100.0 in /usr/lib
> 4. Create a symbolic link: /usr/lib/libjack-0.100.0.so.0
> -> /usr/lib/libjack.so
> 
> Done. Now old JACK programs from Debian packages should work (since the
> database thinks that the JACK packages are still installed, although
> they really have been overwritten) and programs requiring the newer API
> (MIDI etc) should also work. If the libjack ABI ever becomes
> incompatible with the old one your Debian packaged JACK clients may
> start acting weird though.
> 
> Also, your JACK-from-source installation will be overwritten if you do
> apt-get upgrade and there are newer JACK packages than the one you have
> installed. But all you have to do then is to reinstall your source
> build.

you can put the /overridden/ jack package into "hold" mode (eg. by
pressing '=' on libjack in dselect) - no more updates for that package.

> There are probably cleaner ways to do this (like copying over the debian
> subdirectory from a Debian source package to your new tarball and build
> a proper Debian package), but this works reasonably well for me.

it's not *that* easy. debian applies a couple of patches..

#robin