Hey, We have written a wrapper around dbus (a library that is called edbus). In the edbus.pc file, I just added to Requires.private dbus-1 (the name of dbus pc file), so our .pc file contains: Requires.private: dbus-1 Libs: -L${libdir} -ledbus That wrapper has an exported header file which contains dbus calls. For example: DBusPendingCall *edbus_message_send(EDBus_Connection *conn, DBusMessage *msg, EDBus_Method_Return_Cb cb_return, int timeout, void *data); A guy from mandriva told us about a DSO problem in that case (I don't know much about DSO), and gave a fix by adding also (that is Requires.private still contains dbus-1) in Libs the result of pkg-config --libs dbus-1, that is: Requires.private: dbus-1 Libs: -L${libdir} -ledbus -L/lib -ldbus-1 -lpthread -lrt Is it correct ? Thank you Vincent Torri