Summary of my perl5 (revision 5 version 8 subversion 5) configuration:
  Platform:
    osname=darwin, osvers=7.4.0, archname=darwin-2level
    uname='darwin ariel.local 7.4.0 darwin kernel version 7.4.0: wed may 12 16:58:24 pdt 2004; root:xnuxnu-517.7.7.obj~7release_ppc power macintosh powerpc '
    config_args='-de -Uloclibpth -Dlibpth=/usr/lib'
    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=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -I/usr/local/include',
    optimize='-Os',
    cppflags='-no-cpp-precomp -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='3.3 20030304 (Apple Computer, Inc. build 1495)', 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='env MACOSX_DEPLOYMENT_TARGET=10.3 cc', ldflags =''
    libpth=/usr/lib
    libs=-ldbm -ldl -lm -lc
    perllibs=-ldl -lm -lc
    libc=/usr/lib/libc.dylib, so=dylib, useshrplib=false, libperl=libperl.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dyld.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' '
    cccdlflags=' ', lddlflags=' -bundle -undefined dynamic_lookup'


Characteristics of this binary (from libperl): 
  Compile-time options: USE_LARGE_FILES
  Built under darwin
  Compiled at Jul 25 2004 16:16:21
  %ENV:
    PERL5LIB="/sw/lib/perl5:/sw/lib/perl5/darwin"
  @INC:
    /sw/lib/perl5
    /sw/lib/perl5/darwin
    /usr/local/lib/perl5/5.8.5/darwin-2level
    /usr/local/lib/perl5/5.8.5
    /usr/local/lib/perl5/site_perl/5.8.5/darwin-2level
    /usr/local/lib/perl5/site_perl/5.8.5
    /usr/local/lib/perl5/site_perl
    .