Ok. It work. I don't have installed xfce4-panel-dev pakage that contains /usr/lib/pkgconfig/xfce4-panel-1.0.pc :D Anton Markov a écrit : >You should point PKG_CONFIG_PATH to the installed libraries/binaries, >not the source. i.e. if your xfce4-panel in installed with >prefix=/usr/local, than PKG_CONFIG_PATH=/usr/local/lib/pkgconfig > >