Why is libnspr-dev (from firefox) not the answer to this problem ? That's the -dev package corresponding to libnspr4.
** Changed in: firefox (Ubuntu) Assignee: (unassigned) => Ian Jackson -- Impossible to install libsmjs-dev with firefox present https://launchpad.net/bugs/57161 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs