$ perl -V
Summary of my perl5 (revision 5 version 8 subversion 8) configuration:
  Platform:
    osname=cygwin, osvers=1.5.21(0.15642), archname=cygwin-thread-multi
    uname='cygwin_nt-5.1 avenger 1.5.21(0.15642) 2006-07-30 14:21 i686 cygwin '
    config_args=''
    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=undef use64bitall=undef uselongdouble=undef
    usemymalloc=y, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags ='-DPERL_USE_SAFE_PUTENV -fno-strict-aliasing -pipe -Wdecl
aration-after-statement -DDEBUGGING',
    optimize='-O2',
    cppflags='-DPERL_USE_SAFE_PUTENV -fno-strict-aliasing -pipe -Wdeclaration-af
ter-statement -DDEBUGGING'
    ccversion='', gccversion='3.4.4 (cygming special) (gdc 0.12, using dmd 0.125
)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize
=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='ld2', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib /lib
    libs=-lgdbm -ldl -lcrypt -lgdbm_compat
    perllibs=-ldl -lcrypt -lgdbm_compat
    libc=/usr/lib/libc.a, so=dll, useshrplib=true, libperl=libperl.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags=' -L/usr/local/lib'


Characteristics of this binary (from libperl):
  Compile-time options: DEBUGGING MULTIPLICITY MYMALLOC
                        PERL_IMPLICIT_CONTEXT PERL_USE_SAFE_PUTENV
                        USE_ITHREADS USE_LARGE_FILES USE_PERLIO
                        USE_REENTRANT_API
  Built under cygwin
  Compiled at Sep  9 2006 14:16:59