Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=linux, osvers=2.6.18-128.el5xen, archname=x86_64-linux
    uname='linux default.localhost.com 2.6.18-128.el5xen #1 smp wed jan 21 11:12:42 est 2009 x86_64 x86_64 x86_64 gnulinux '
    config_args='-des -Dprefix=/usr/local -Doptimize=-Os -Duseshrplib -Dusemymalloc=y -Accflags=-fPIC -DPIC -m64 -Dlibpth=/usr/local/lib64 /lib64 /usr/lib64 -Aldflags=-L/usr/lib64 -L/lib64 -lresolv -lnsl -ldl -lm -lcrypt -lutil -lc'
    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=y, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-fPIC -DPIC -m64 -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
    optimize='-Os',
    cppflags='-fPIC -DPIC -m64 -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/usr/local/include -I/usr/include/gdbm'
    ccversion='', gccversion='4.1.2 20080704 (Red Hat 4.1.2-51)', 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/lib64 -L/lib64 -lresolv -lnsl -ldl -lm -lcrypt -lutil -lc'
    libpth=/usr/local/lib64 /lib64 /usr/lib64
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
    libc=/lib/libc-2.5.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.5'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/usr/local/lib/perl5/5.8.8/x86_64-linux/CORE'
    cccdlflags='-fpic', lddlflags='-shared -L/usr/lib64 -L/lib64'


Characteristics of this binary (from libperl):
  Compile-time options: MYMALLOC PERL_MALLOC_WRAP USE_64_BIT_ALL
                        USE_64_BIT_INT USE_LARGE_FILES USE_PERLIO
  Built under linux
  Compiled at Nov 25 2011 14:21:17
  @INC:
    /usr/local/lib/perl5/5.8.8/x86_64-linux
    /usr/local/lib/perl5/5.8.8
    /usr/local/lib/perl5/site_perl/5.8.8/x86_64-linux
    /usr/local/lib/perl5/site_perl/5.8.8
    /usr/local/lib/perl5/site_perl
    .