Summary of my perl5 (revision 5 version 18 subversion 2) configuration:
   
  Platform:
    osname=darwin, osvers=13.0.0, archname=darwin-2level
    uname='darwin stas-macbook.local 13.0.0 darwin kernel version 13.0.0: thu sep 19 22:22:27 pdt 2013; root:xnu-2422.1.72~6release_x86_64 x86_64 '
    config_args='-de -Dprefix=/Users/stas/perl5/perlbrew/perls/perl-5.18.2 -Aeval:scriptdir=/Users/stas/perl5/perlbrew/perls/perl-5.18.2/bin'
    hint=recommended, useposix=true, d_sigaction=define
    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='cc', ccflags ='-fno-common -DPERL_DARWIN -fno-strict-aliasing -pipe -fstack-protector -I/opt/local/include',
    optimize='-O3',
    cppflags='-fno-common -DPERL_DARWIN -fno-strict-aliasing -pipe -fstack-protector -I/opt/local/include'
    ccversion='', gccversion='4.2.1 Compatible Apple LLVM 5.0 (clang-500.2.79)', 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='env MACOSX_DEPLOYMENT_TARGET=10.3 cc', ldflags =' -fstack-protector -L/usr/local/lib -L/opt/local/lib'
    libpth=/usr/local/lib /opt/local/lib /usr/lib
    libs=-lgdbm -ldbm -ldl -lm -lutil -lc
    perllibs=-ldl -lm -lutil -lc
    libc=, so=dylib, useshrplib=false, libperl=libperl.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags=' -bundle -undefined dynamic_lookup -L/usr/local/lib -L/opt/local/lib -fstack-protector'


Characteristics of this binary (from libperl): 
  Compile-time options: HAS_TIMES PERLIO_LAYERS PERL_DONT_CREATE_GVSV
                        PERL_HASH_FUNC_ONE_AT_A_TIME_HARD PERL_MALLOC_WRAP
                        PERL_PRESERVE_IVUV PERL_SAWAMPERSAND USE_64_BIT_ALL
                        USE_64_BIT_INT USE_LARGE_FILES USE_LOCALE
                        USE_LOCALE_COLLATE USE_LOCALE_CTYPE
                        USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF
  Built under darwin
  Compiled at Jan  7 2014 09:37:06
  %ENV:
    PERLBREW_BASHRC_VERSION="0.65"
    PERLBREW_HOME="/Users/stas/.perlbrew"
    PERLBREW_MANPATH="/Users/stas/perl5/perlbrew/perls/perl-5.18.2/man"
    PERLBREW_PATH="/Users/stas/perl5/perlbrew/bin:/Users/stas/perl5/perlbrew/perls/perl-5.18.2/bin"
    PERLBREW_PERL="perl-5.18.2"
    PERLBREW_ROOT="/Users/stas/perl5/perlbrew"
    PERLBREW_VERSION="0.65"
    PERL_MM_USE_DEFAULT="1"
  @INC:
    /Users/stas/perl5/perlbrew/perls/perl-5.18.2/lib/site_perl/5.18.2/darwin-2level
    /Users/stas/perl5/perlbrew/perls/perl-5.18.2/lib/site_perl/5.18.2
    /Users/stas/perl5/perlbrew/perls/perl-5.18.2/lib/5.18.2/darwin-2level
    /Users/stas/perl5/perlbrew/perls/perl-5.18.2/lib/5.18.2
    .