+ * pkg-config http://www.freedesktop.org/wiki/Software/pkg-config/
+ * ccache http://ccache.samba.org/ to improve recompilation
+ * libgc-dev http://www.hpl.hp.com/personal/Hans_Boehm/gc/
+ * graphviz http://www.graphviz.org/ to enable graphes with the nitdoc tool
+ * libunwind http://nongnu.org/libunwind
+
+Those are available in most linux distributions