libxpdf.a(Function.o)(.gnu.linkonce.t._ZN15SampledFunction4copyEv+0x43): In function `SampledFunction::copy()': : undefined reference to `operator delete(void*)' *** Error code 1 Stop in /usr/home/randy/cups-1.1.23/pdftops. *** Error code 1 Stop in /usr/home/randy/cups-1.1.23.