Checking if your kit is complete...
Looks good
Writing Makefile for Array::Slice
cp Slice.pm blib/lib/Array/Slice.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  -typemap /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Slice.xs > Slice.xsc && mv Slice.xsc Slice.c
gcc -c  -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  Slice.c
Slice.xs: In function `get_existing_magic':
Slice.xs:17: `PERL_MAGIC_ext' undeclared (first use in this function)
Slice.xs:17: (Each undeclared identifier is reported only once
Slice.xs:17: for each function it appears in.)
Slice.xs: In function `get_magic':
Slice.xs:34: `PERL_MAGIC_ext' undeclared (first use in this function)
Slice.xs:34: warning: return makes pointer from integer without a cast
make: *** [Slice.o] Error 1