#1 [Ubuntu 9.04] Scons doesn't find Alsa

[Rüdiger Stuible]

Compilation of MinicomputerV1.3 stops with

> ruedi@pappkopf:~/MinicomputerV1.3$ sudo scons
> scons: Reading SConscript files ...
>
> Minicomputer--------------
> - 1/2:configuring
> Checking for C library jack... yes
> Checking for C library lo... yes
> Checking for C library asound... yes
> Checking for C library pthread... yes
> - checking dependencies for the editor:
> Checking for C library lo... yes
> Checking for C++ library fltk... yes
> Checking for C library asound... no
> Did not find alsa, exiting!

I have installed package libasound2-dev.
Is there any other package I have to add?

Please give me some hint.
TIA
Ruedi