diff -up libqalculate-0.9.7/libqalculate.pc.in.pkgconfig_private libqalculate-0.9.7/libqalculate.pc.in
--- libqalculate-0.9.7/libqalculate.pc.in.pkgconfig_private	2009-12-02 14:24:25.000000000 -0600
+++ libqalculate-0.9.7/libqalculate.pc.in	2010-02-13 17:22:21.671796422 -0600
@@ -5,7 +5,7 @@ includedir=@includedir@
 
 Name: libqalculate
 Description: libqalculate
-Requires: glib-2.0 libxml-2.0
+Requires.private: glib-2.0 libxml-2.0
 Version: @VERSION@
 Libs: -L${libdir} @CLN_LIBS@ -lpthread -lqalculate
 Cflags: -I${includedir} @CLN_CPPFLAGS@