miranda@mms ~ $ equery f pygtk | grep .pc
/usr/lib64/pkgconfig/pygtk-2.0.pc
miranda@mms ~ $ pkg-config --cflags pygtk-2.0
-pthread -D_REENTRANT -I/usr/include/pygtk-2.0 -I/usr/include/gtk-2.0 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/lib64/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/directfb -I/usr/include/libpng14 -I/usr/include/libdrm
miranda@mms ~ $ pkg-config --libs pygtk-2.0
-pthread -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lpangocairo-1.0 -lgdk_pixbuf-2.0 -lm -lcairo -lpng14 -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lglib-2.0
--
====================
Igor Miranda
São Paulo/SP
====================