Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lIrrlicht
Note (probably harmless): No library found for -lGL
Writing Makefile for Games::Irrlicht
cp lib/Games/Irrlicht/Constants.pm blib/lib/Games/Irrlicht/Constants.pm
cp lib/Games/Irrlicht/Group.pm blib/lib/Games/Irrlicht/Group.pm
cp lib/Games/Irrlicht/Thingy.pm blib/lib/Games/Irrlicht/Thingy.pm
cp lib/Games/Irrlicht.pm blib/lib/Games/Irrlicht.pm
cp lib/Games/Irrlicht/EventHandler.pm blib/lib/Games/Irrlicht/EventHandler.pm
cp lib/Games/Irrlicht/Timer.pm blib/lib/Games/Irrlicht/Timer.pm
/home/cpanrun/build/5.6.1/bin/perl -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp  -C++ -typemap /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Irrlicht.xs > Irrlicht.xsc && mv Irrlicht.xsc Irrlicht.c
g++ -c  -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.04\" -DXS_VERSION=\"0.04\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  Irrlicht.c
Irrlicht.xs:6: Irrlicht/irrlicht.h: No such file or directory
make: *** [Irrlicht.o] Error 1