[ardour-users] ardour doesn't find libjack.so.0, exits.

John Anderson ardour at semiosix.com
Mon Oct 25 11:57:05 PDT 2004

On Mon, 2004-10-25 at 20:06, Damien DeZurik wrote:
> In regards to this comment:
> > ... Consider why the library ended
> > up in /usr/local vs. /usr. Consider what will happen
> > if you use a
> > differenct, more standard ./configure --prefix=/usr
> > later on.
>  Perhaps in different distros/shops/circles the answer
> to this question is different but I will ask anyway;
> isn't /usr/local the best place to put third party,
> post-OS-install software?  You know, somewhere common
> to put all that stuff you loaded yourself so it can be
> backed up, and restored easily if, for example, major
> system/OS changes need to occur.

The Filesystem Hierarchy Standard:

There was also something I read once (IIRC) about how some systems had
/usr which was read-only (from tape, or some other boot medium) and
/usr/local was to install other software. Since none of the GNU apps
would have been part of the vendor's packaging, they still default to

>  Please feel free to set me straight on this, but ...

>  I feel that I have the jack libs in a good place but
> ardour doesn't want to look there (by default).  For
> the record, with both jack and ardour I did not add
> any '--prefix=...' options.  I ./configure'd them with
> what ever default prefix's they determined.  
> My contention would be that both libjack and ardour
> should be configured and installed so that they exist
> in, and use each others libs from /usr/local. Is this
> crazy talk?

I have my audio stuff in /opt/sound for some reason that I've since
forgotten. The only trouble I find is that several tarballs, even though
they read jack.pc, still insist on forgetting to look in
/opt/sound/include for jack headers. OTOH, when I changed distros about
a year ago, I didn't have to reinstall all the audio stuff - it was just
a straight copy. Reinstallation of the audio software, being in serious
flux & cvs, would have been non-trivial.

Seems like most distros like to put everything in /usr though. And if
your distro provides you with easy install mechanisms that are as close
enough to the cutting edge as you'd like to be, no harm leaving them


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