Index: ode-0.16/ode.pc.in
===================================================================
--- ode-0.16.orig/ode.pc.in
+++ ode-0.16/ode.pc.in
@@ -7,6 +7,6 @@ precision=@ODE_PRECISION@
 Name: ode
 Description: Open Dynamics Engine
 Version: @ODE_VERSION@
-Libs: -L${libdir} -lode
+Libs: -L${libdir} -lode -lrt
 Libs.private: -lstdc++ -lm
 Cflags: -I${includedir}
