perl -V
Summary of my perl5 (revision 5 version 20 subversion 1) configuration:
   
  Platform:
    osname=aix, osvers=6.1.0.0, archname=aix-thread-multi
    uname='aix blade08 1 6 00003c3ad100 '
    config_args='-d -Dprefix=/usr/opt/perl5 -Dcc=xlc_r -Duseshrplib -Dusethreads'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    use64bitint=undef, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='xlc_r -q32', ccflags ='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=-1 -qnoansialias -qlanglvl=extc99 -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES',
    optimize='-O',
    cppflags='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=-1 -qnoansialias -qlanglvl=extc99 -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT'
    ccversion='12.1.0.9', gccversion='', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=4321
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=8
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='ld', ldflags =' -brtl -bdynamic -b32'
    libpth=/lib /usr/lib /usr/ccs/lib
    libs=-lbind -lnsl -ldbm -ldl -lld -lm -lcrypt -lpthreads -lc
    perllibs=-lbind -lnsl -ldl -lld -lm -lcrypt -lpthreads -lc
    libc=, so=a, useshrplib=true, libperl=libperl.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_aix.xs, dlext=so, d_dlsymun=undef, ccdlflags='  -bE:/usr/opt/perl5/lib/5.20.1/aix-thread-multi/CORE/perl.exp'
    cccdlflags=' ', lddlflags='-bhalt:4 -G -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -bnoentry -lpthreads -lc -lm'


Characteristics of this binary (from libperl): 
  Compile-time options: HAS_TIMES MULTIPLICITY PERLIO_LAYERS
                        PERL_DONT_CREATE_GVSV
                        PERL_HASH_FUNC_ONE_AT_A_TIME_HARD
                        PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP
                        PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV
                        USE_ITHREADS USE_LARGE_FILES USE_LOCALE
                        USE_LOCALE_COLLATE USE_LOCALE_CTYPE
                        USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF
                        USE_REENTRANT_API
  Built under aix
  Compiled at Feb  6 2015 14:54:29
  %ENV:
    PERL5LIB="/home/perl_ss/perl5/lib/perl5/aix-thread-multi:/home/perl_ss/perl5/lib/perl5:/usr/local/lib/site_perl/5.8.8:/usr/local/site_perl/common"
    PERL5OPT=""
    PERL5_CPANPLUS_IS_RUNNING="9961732"
    PERL5_CPAN_IS_RUNNING="9961732"
    PERL_LOCAL_LIB_ROOT="/home/perl_ss/perl5"
    PERL_MB_OPT="--install_base /home/perl_ss/perl5"
    PERL_MM_OPT="INSTALL_BASE=/home/perl_ss/perl5"
  @INC:
    /home/perl_ss/perl5/lib/perl5/aix-thread-multi
    /home/perl_ss/perl5/lib/perl5/aix-thread-multi
    /home/perl_ss/perl5/lib/perl5
    /usr/local/lib/site_perl/5.8.8/aix-thread-multi
    /usr/local/lib/site_perl/5.8.8
    /usr/local/site_perl/common
    /usr/opt/perl5/lib/site_perl/5.20.1/aix-thread-multi
    /usr/opt/perl5/lib/site_perl/5.20.1
    /usr/opt/perl5/lib/5.20.1/aix-thread-multi
    /usr/opt/perl5/lib/5.20.1
    /usr/opt/perl5/lib/site_perl/5.8.8
    /usr/opt/perl5/lib/site_perl