Ask the author[s] to release it also in LGPL? John Boncek wrote:
The Poppler library has been recommended in this list for in-application display of PDF files. However, Poppler is issued under the Gnu General Public License (GPL), unlike Gtk+, which is under the LGPL. This makes it unusable in a project using only LGPL and similarly-licensed works. Is there any LGPL solution?