You need libx11-dev, too. The package contents for multi arch systems have changed with Ubuntu pangolin. If that still does not help, create the symbolic link manually with
ln -s libX11.so.6 libX11.so
You need to make sure that it is the directory with the 32bit libs.
Greetings
Skildron
Modifié par Skildron, 24 juillet 2012 - 07:43 .