Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lglut Writing Makefile for OpenGL::Simple::GLUT cp GLUT.pm blib/lib/OpenGL/Simple/GLUT.pm /home/cpanrun/parisc2.0-lp64/build/5.8.2/bin/perl /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap -typemap typemap GLUT.xs > GLUT.xsc && mv GLUT.xsc GLUT.c Please specify prototyping behavior for GLUT.xs (see perlxs manual) cc -c -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings +DD64 -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE" GLUT.c cpp: "GLUT.xs", line 8: error 4036: Can't open include file 'GL/glut.h'. cpp: "GLUT.xs", line 167: warning 2006: Parameter holes filled with a null string. cpp: "GLUT.xs", line 168: warning 2006: Parameter holes filled with a null string. cpp: "GLUT.xs", line 186: warning 2006: Parameter holes filled with a null string. make: *** [GLUT.o] Error 1