By default, ocamlopt set the rpath of the binary it builds. I would like not to set the rpath. The manual page for ocamlopt did not give any hints on this topic. $ ocamlopt -o monotone-viz [CLIP] $ readelf -d monotone-viz | grep RPATH 0x0000000f (RPATH) Library rpath: [/usr/X11R6/lib] $ dpkg -l ocaml-nox ii ocaml-nox 3.09.1-3 ML language implementation with a class-base Thanks, Shaun