--- hplip-3.10.9/prnt/hpcups/ErnieFilter.cpp.orig Mon Dec 27 00:02:08 2010 +++ hplip-3.10.9/prnt/hpcups/ErnieFilter.cpp Mon Dec 27 00:03:19 2010 @@ -50,6 +50,8 @@ #include "ErnieFilter.h" +extern "C" double ceil(double); + #if defined(__APPLE__) || defined(__linux) #include <math.h> #endif