Where does -lIlmImfCtl belong to?

Marc Weber <[email protected]> Tue, 4 Dec 2007 05:29:40 +0100
Newsgroups gmane.comp.video.openexr.user
Message-ID <[email protected]>
Hi,
I'd like to install the openexr-viewers on nixos.
I've succesfully compile fltk and the opnexr-libs.

However when trying to compile the viewers I'm getting the linking error
that the lib -lIlmImfCtl can't be found. To which package does it
belong?

Sincerly
Marc Weber