C:\>perl -V
Set up gcc environment - 3.4.5 (mingw-vista special r3)
Summary of my perl5 (revision 5 version 12 subversion 3) configuration:

  Platform:
    osname=MSWin32, osvers=5.2, archname=MSWin32-x86-multi-thread
    uname=''
    config_args='undef'
    hint=recommended, useposix=true, d_sigaction=undef
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=undef, use64bitall=undef, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='C:/Perl/site/bin/gcc.exe', ccflags ='-DNDEBUG -DWIN32 -D_CONSOLE -DNO_ST
RICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLIC
IT_SYS -DUSE_PERLIO -D_USE_32BIT_TIME_T -DPERL_MSVCRT_READFIX -DHASATTRIBUTE -fn
o-strict-aliasing -mms-bitfields',
    optimize='-O2',
    cppflags='-DWIN32'
    ccversion='', gccversion='3.4.5 (mingw-vista special r3)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=8
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='__int64', lseeksi
ze=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='C:\Perl\site\bin\g++.exe', ldflags ='-L"C:\Perl\lib\CORE"'
    libpth=\lib
    libs=-lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshell32
-lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc32 -
lodbccp32 -lcomctl32 -lmsvcrt
    perllibs=-lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -ladvapi32 -lshel
l32 -lole32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lodbc
32 -lodbccp32 -lcomctl32 -lmsvcrt
    libc=msvcrt.lib, so=dll, useshrplib=true, libperl=perl512.lib
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags='-mdll -L"C:\Perl\lib\CORE"'


Characteristics of this binary (from libperl):
  Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV
                        PERL_IMPLICIT_CONTEXT PERL_IMPLICIT_SYS
                        PERL_MALLOC_WRAP PL_OP_SLAB_ALLOC USE_ITHREADS
                        USE_LARGE_FILES USE_PERLIO USE_PERL_ATOF
                        USE_SITECUSTOMIZE
  Locally applied patches:
        ActivePerl Build 1204 [294330]
        c6fbf28 [perl #71806] perldb does not setup %dbline with the shebang opt
ion -d
        1fd8fa4 Add Wolfram Humann to AUTHORS
        f120055 make string-append on win32 100 times faster
        a2a8d15 Define _USE_32BIT_TIME_T for VC6 and VC7
        007cfe1 Don't pretend to support really old VC++ compilers
        6d8f7c9 Get rid of obsolete PerlCRT.dll support
        d956618 Make Term::ReadLine::findConsole fall back to STDIN if /dev/tty
can't be opened
        321e50c Escape patch strings before embedding them in patchlevel.h
  Built under MSWin32
  Compiled at Feb  9 2011 14:38:22
  @INC:
    C:/Perl/site/lib
    C:/Perl/lib
    .