Checking if your kit is complete... Looks good Note (probably harmless): No library found for -lneural Writing Makefile for AI::LibNeural cp LibNeural.pm blib/lib/AI/LibNeural.pm AutoSplitting blib/lib/AI/LibNeural.pm (blib/lib/auto/AI/LibNeural) /home/cpanrun/build/5.10.0/bin/perl /home/cpanrun/build/5.10.0/lib/ExtUtils/xsubpp -C++ -typemap /home/cpanrun/build/5.10.0/lib/ExtUtils/typemap -typemap ./typemap -typemap typemap LibNeural.xs > LibNeural.xsc && mv LibNeural.xsc LibNeural.c Please specify prototyping behavior for LibNeural.xs (see perlxs manual) g++ -c -D_REENTRANT -DPRIVLIB_LAST_IN_INC -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\" -KPIC "-I/home/cpanrun/build/5.10.0/lib/CORE" LibNeural.c g++: unrecognized option `-KPIC' LibNeural.xs:37: nnwork.h: No such file or directory LibNeural.xs:38: neuron.h: No such file or directory *** Error code 1 make: Fatal error: Command failed for target `LibNeural.o'