/home/cpanrun/build/5.6.1/bin/perl Build.PL Checking whether your kit is complete... ERROR: SDL: Prerequisite SDL isn't installed ERRORS/WARNINGS FOUND IN PREREQUISITES. You may wish to install the versions of the modules indicated above before proceeding with this installation. Looks good Creating new 'Build' script for 'SDL-OpenGL-Cg' version '0.01' /home/cpanrun/build/5.6.1/bin/perl Build lib/SDL/OpenGL/Cg.pm -> blib/lib/SDL/OpenGL/Cg.pm lib/SDL/OpenGL/Cg.xs -> lib/SDL/OpenGL/Cg.c gcc -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE -c -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -o lib/SDL/OpenGL/Cg.o lib/SDL/OpenGL/Cg.c Cg.xs:5: ppport.h: No such file or directory Cg.xs:7: Cg/cg.h: No such file or directory Cg.xs:8: Cg/cgGL.h: No such file or directory error building so file from 'lib/SDL/OpenGL/Cg.c' at /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/Module/Build/Base.pm line 1778, line 762. make: *** [all] Error 2