Something

dev-cpp/cairomm (/usr/lib/libcairomm-1.0.so.1)
dev-cpp/glibmm (/usr/lib/libglibmm-2.4.so.1)
dev-cpp/gtkmm (/usr/lib/libgdkmm-2.4.so.1)
dev-cpp/gtkmm (/usr/lib/libgtkmm-2.4.so.1)
dev-cpp/gtkmm (/usr/lib/libpangomm-1.4.so.1)
dev-libs/atk (/usr/lib/libatk-1.0.so.0)
dev-libs/glib (/usr/lib/libglib-2.0.so.0)
dev-libs/glib (/usr/lib/libgmodule-2.0.so.0)
dev-libs/glib (/usr/lib/libgobject-2.0.so.0)
dev-libs/glib (/usr/lib/libgthread-2.0.so.0)
dev-libs/libpcre (/usr/lib/libpcrecpp.so.0)
dev-libs/libpcre (/usr/lib/libpcre.so.0)
dev-libs/libsigc++ (/usr/lib/libsigc-2.0.so.0)
dev-libs/libxml2 (/usr/lib/libxml2.so.2)
gnome-base/gconf (/usr/lib/libgconf-2.so.4)
gnome-base/gnome-vfs (/usr/lib/libgnomevfs-2.so.0)
gnome-base/libgtop (/usr/lib/libgtop-2.0.so.7)
gnome-base/orbit (/usr/lib/libORBit-2.so.0)
sys-devel/gcc (/usr/lib/gcc/i686-pc-linux-gnu/4.2.2/libstdc++.so.6)
sys-libs/glibc (/lib/libc.so.6)
sys-libs/glibc (/lib/libdl.so.2)
sys-libs/glibc (/lib/libm.so.6)
sys-libs/glibc (/lib/libpthread.so.0)
sys-libs/glibc (/lib/librt.so.1)
x11-libs/cairo (/usr/lib/libcairo.so.2)
x11-libs/gtk+ (/usr/lib/libgdk_pixbuf-2.0.so.0)
x11-libs/gtk+ (/usr/lib/libgdk-x11-2.0.so.0)
x11-libs/gtk+ (/usr/lib/libgtk-x11-2.0.so.0)
x11-libs/libwnck (/usr/lib/libwnck-1.so.22)
x11-libs/pango (/usr/lib/libpango-1.0.so.0)
x11-libs/pango (/usr/lib/libpangocairo-1.0.so.0)
x11-libs/startup-notification (/usr/lib/libstartup-notification-1.so.0)