Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lplot Writing Makefile for Graphics::Libplot cp Libplot.pm blib/lib/Graphics/Libplot.pm AutoSplitting blib/lib/Graphics/Libplot.pm (blib/lib/auto/Graphics/Libplot) /home/cpanrun/pa-risc1.1/build/5.8.2/bin/perl /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/typemap -typemap typemap Libplot.xs > Libplot.xsc && mv Libplot.xsc Libplot.c Please specify prototyping behavior for Libplot.xs (see perlxs manual) cc -c -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls +DAportable +DS2.0 -DVERSION=\"2.2.2\" -DXS_VERSION=\"2.2.2\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE" Libplot.c cpp: "Libplot.xs", line 11: error 4036: Can't open include file 'plot.h'. make: *** [Libplot.o] Error 1