Summary of my perl5 (revision 5 version 8 subversion 6) configuration:
  Platform:
    osname=linux, osvers=2.6.9, archname=x86_64-linux-thread-multi
    uname='linux aguirre 2.6.9 #1 smp mon dec 12 18:32:25 utc 2005 x86_64 x86_64
 x86_64 gnulinux '
    config_args='-ds -e -Dprefix=/usr -Dvendorprefix=/usr -Dinstallusrbinperl -D
usethreads -Di_db -Di_dbm -Di_ndbm -Di_gdbm -Duseshrplib=true -Doptimize=-O2 -fm
essage-length=0 -Wall -g -Wall -pipe'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=de
fine
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=define use64bitall=define uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBUGGIN
G -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2 -fmessage-length=0 -Wall -g -Wall -pipe',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBUGGING -fno-st
rict-aliasing -pipe'
    ccversion='', gccversion='3.3.5 20050117 (prerelease) (SUSE Linux)', gccosan
dvers=''
    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/lib64'
    libpth=/lib64 /usr/lib64 /usr/local/lib64
    libs=-lm -ldl -lcrypt -lpthread
    perllibs=-lm -ldl -lcrypt -lpthread
    libc=/lib64//lib64/libc.so.6, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.3.4'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,
/usr/lib/perl5/5.8.6/x86_64-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib64'


Characteristics of this binary (from libperl): 
  Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS USE_64_BIT_INT USE_6
4_BIT_ALL USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
  Locally applied patches:
        SPRINTF0 - fixes for sprintf formatting issues - CVE-2005-3962
  Built under linux
  Compiled at Dec 17 2005 03:26:32
  @INC:
    /usr/lib/perl5/5.8.6/x86_64-linux-thread-multi
    /usr/lib/perl5/5.8.6
    /usr/lib/perl5/site_perl/5.8.6/x86_64-linux-thread-multi
    /usr/lib/perl5/site_perl/5.8.6
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.8.6/x86_64-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.8.6
    /usr/lib/perl5/vendor_perl
    .