Checking if your kit is complete...
Looks good
Writing Makefile for Sys::Mmap
cp Mmap.pm blib/lib/Sys/Mmap.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 -typemap typemap Mmap.xs > Mmap.xsc && mv Mmap.xsc Mmap.c
gcc -c  -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2   -DVERSION=\"0.13\" -DXS_VERSION=\"0.13\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE  Mmap.c
Mmap.xs:14: warning: `_POSIX_C_SOURCE' redefined
/usr/include/features.h:127: warning: this is the location of the previous definition
Running Mkbootstrap for Sys::Mmap ()
chmod 644 Mmap.bs
rm -f blib/arch/auto/Sys/Mmap/Mmap.so
LD_RUN_PATH="" gcc  -shared Mmap.o  -o blib/arch/auto/Sys/Mmap/Mmap.so     
chmod 755 blib/arch/auto/Sys/Mmap/Mmap.so
cp Mmap.bs blib/arch/auto/Sys/Mmap/Mmap.bs
chmod 644 blib/arch/auto/Sys/Mmap/Mmap.bs
Manifying blib/man3/Sys::Mmap.3
PERL_DL_NONLAZY=1 /home/cpanrun/build/5.6.1/bin/perl -Iblib/arch -Iblib/lib -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 -e 'use Test::Harness qw(&runtests $verbose); $verbose=0; runtests @ARGV;' t/*.t
t/mmap..............ok
All tests successful.
Files=1, Tests=2,  0 wallclock secs ( 0.27 cusr +  0.02 csys =  0.29 CPU)
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/auto/Sys/Mmap/Mmap.so
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/auto/Sys/Mmap/Mmap.bs
Installing /home/cpanrun/build/5.6.1/lib/site_perl/5.6.1/i686-linux-thread-multi/Sys/Mmap.pm
Installing /home/cpanrun/build/5.6.1/man/man3/Sys::Mmap.3
Appending installation info to /home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/perllocal.pod