To answer Katja & Julian, i don't know which debian version is distributed, Olimex call it : A20-OLinuXino-Lime Debian with kernel 3.4.90+ release 3and here is my etc/apt/source.list :
deb http://ftp.debian.org/debian/ wheezy main contrib non-free
deb-src http://ftp.debian.org/debian/ wheezy main contrib non-free
deb http://ftp.debian.org/debian/ wheezy-updates main contrib non-free
deb-src http://ftp.debian.org/debian/ wheezy-updates main contrib non-free
deb http://security.debian.org/ wheezy/updates main contrib non-free
deb-src http://security.debian.org/ wheezy/updates main contrib non-free
deb http://apt.puredata.info/releases stable mainalso, about that :found a working solution in this thread : http://lists.puredata.info/pipermail/pd-list/2015-01/109000.htmlso i made
$ apt-get build-dep puredataapparently you also need to do "./autogen" againmaybe obvious for many but...and then$ ./configure --enable-alsa$ make$ sudo make install
thanks everyone for help !Raphaël