Note (probably harmless): No library found for -lplot Checking if your kit is complete... Looks good 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/ia64-lp64/build/5.6.1/bin/perl -I/home/cpanrun/ia64-lp64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi-64all -I/home/cpanrun/ia64-lp64/build/5.6.1/lib/5.6.1 /home/cpanrun/ia64-lp64/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /home/cpanrun/ia64-lp64/build/5.6.1/lib/5.6.1/ExtUtils/typemap -typemap typemap Libplot.xs > Libplot.xsc && mv Libplot.xsc Libplot.c Please specify prototyping behavior for Libplot.xs (see perlxs manual) gcc -c -DUSE_REENTRANT_API -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE -mlp64 -L/lib/hpux64 -DUINT32_MAX_BROKEN -fPIC -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"2.2.2\" -DXS_VERSION=\"2.2.2\" -fPIC -I/home/cpanrun/ia64-lp64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi-64all/CORE Libplot.c Libplot.xs:11:18: plot.h: No such file or directory Libplot.c: In function `XS_Graphics__Libplot_pl_outfile': Libplot.c:378: warning: assignment makes pointer from integer without a cast make: *** [Libplot.o] Error 1