Thanks Julian !

Yes you can 'apt-get', that vanilla's well fresh.
You want puredata-core, that's fine.
Pretty sure all the iem stuff is in the repo's.

well,
$ sudo apt-get install pd-iemlib

(as I remember reading somewhere) doesn't work for me

I downloaded it from sourceforge and tried to build it from source

but many objects do not work, like [any] or [prepend]

You've already built Pd from source, good work, couple of externals should be no problem:)

yes, but I'm a bit confused.

the pd i built from source is in /usr/local/lib/pd

and when i "apt-get install puredata-extra" to get [sigmund~], in fact it installed it in /usr/lib/puredata

took me a couple of hours to find that...

Finding out what objects come from which library can be a pain.

There's a webpage I just spotted that might be helpful
http://blazicek.net/list_of_pure_data_objects.html.

yes, thanks, the list of pd objects and which library they're from does help a lot !

that also makes clear that naming isn't always clear :
"was I using using [avg~] from zexy or cyclone ? Ah yes, the first one doesn't want a bang so i used cyclone's [avg~] "

I'll continue my journey into linux-happy-shell-addict-world...

++