firetray-svn compilation

==> Starting make...
patching file generate_install_rdf.sh
Hunk #1 succeeded at 15 with fuzz 2.
rm: impossible de supprimer « install.rdf »: Aucun fichier ou dossier de ce type
******************************
 TRAY COMPONENT BUILD OPTIONS
******************************
ERROR MESSAGES: on
DEBUG MESSAGES: off
DEBUG EVENT FILTERS: off
DEBUG FUNCTION CALLS: off
REMEMBER WINDOWS POSITION: on



scons: Reading SConscript files ...
linking:  --static
Using GECKO_SDK=/usr/lib/xulrunner-devel-9.0
NPTRAY: nptray_x86_64
scons: done reading SConscript files.
scons: Building targets ...
xpidl -w -m header -Icomponents -I/usr/lib/xulrunner-devel-9.0/idl -e components/nsITray.h components/nsITray.idl
sh: xpidl : commande introuvable (** cannot find command **)
scons: *** [components/nsITray.h] Error 127
scons: building terminated because of errors.
error compiling firetray.xpi
==> ERREUR: Une erreur s'est produite dans build().  (** An error occured in build() **)
    Abandon...  (** Aborting **)