Summary of my perl5 (revision 5 version 8 subversion 9) configuration:
  Platform:
    osname=linux, osvers=3.9-1-amd64, archname=x86_64-linux
    uname='linux reini 3.9-1-amd64 #1 smp debian 3.9.8-1 x86_64 gnulinux '
    config_args='-de -Dusedevel -Uversiononly -Dinstallman1dir=none -Dinstallman3dir=none -Dinstallsiteman1dir=none -Dinstallsiteman3dir=none -Uuseithreads -Accflags=''-msse4.2'' -Accflags=''-march=corei7'' -Dcf_email=''rurban@cpanel.net'' -Dperladmin=''rurban@cpanel.net'''
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=define use64bitall=define uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc-4.7', ccflags ='-msse4.2 -march=corei7 -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-msse4.2 -march=corei7 -fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='4.7.3', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib/x86_64-linux-gnu /lib/../lib /usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /usr/lib
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    libc=, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.17'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib'


Characteristics of this binary (from libperl): 
  Compile-time options: PERL_MALLOC_WRAP USE_64_BIT_ALL USE_64_BIT_INT
                        USE_FAST_STDIO USE_LARGE_FILES USE_PERLIO
  Built under linux
  Compiled at Aug 23 2013 14:00:30
  @INC:
    /usr/local/lib/perl5/5.8.9/x86_64-linux
    /usr/local/lib/perl5/5.8.9
    /usr/local/lib/perl5/site_perl/5.8.9/x86_64-linux
    /usr/local/lib/perl5/site_perl/5.8.9
    /usr/local/lib/perl5/site_perl/5.8.8
    /usr/local/lib/perl5/site_perl/5.8.5
    /usr/local/lib/perl5/site_perl/5.8.4
    /usr/local/lib/perl5/site_perl/5.6.2
    /usr/local/lib/perl5/site_perl
    .