Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lics2
Writing Makefile for CyberSource
cp CyberSource.pm blib/lib/CyberSource.pm
AutoSplitting blib/lib/CyberSource.pm (blib/lib/auto/CyberSource)
/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  -typemap /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap CyberSource.xs > CyberSource.xsc && mv CyberSource.xsc CyberSource.c
gcc -c -I /opt/ics/include -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.01\" -DXS_VERSION=\"0.01\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  CyberSource.c
CyberSource.xs:8: ics.h: No such file or directory
make: *** [CyberSource.o] Error 1