Summary of my perl5 (revision 5 version 8 subversion 7) configuration:
Platform:
osname=linux, osvers=2.6.12, archname=x86_64-linux-thread-multi
uname='linux riese 2.6.12 #1 tue sep 6 12:59:22 utc 2005 x86_64 x86_64 x86_64 gnulinux '
config_args='-ds -e -Dprefix=/usr -Dvendorprefix=/usr -Dinstallusrbinperl -Dusethreads -Di_db -
Di_dbm -Di_ndbm -Di_gdbm -Duseshrplib=true -Doptimize=-O2 -fmessage-length=0 -Wall -
D_FORTIFY_SOURCE=2 -g -Wall -pipe'
hint=recommended, useposix=true, d_sigaction=define
usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
use64bitint=define use64bitall=define uselongdouble=undef
usemymalloc=n, bincompat5005=undef
Compiler:
cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBUGGING -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
optimize='-O2 -fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -g -Wall -pipe',
cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS -DDEBUGGING -fno-strict-aliasing -pipe'
ccversion='', gccversion='4.0.2 20050901 (prerelease) (SUSE Linux)', 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='cc', ldflags =' -L/usr/local/lib64'
libpth=/lib64 /usr/lib64 /usr/local/lib64
libs=-lm -ldl -lcrypt -lpthread
perllibs=-lm -ldl -lcrypt -lpthread
libc=/lib64/libc-2.3.5.so, so=so, useshrplib=true, libperl=libperl.so
gnulibc_version='2.3.5'
Dynamic Linking:
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/usr/lib/perl5/5.8.7/x86_64-linux-thread-multi/CORE'
cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib64'


Characteristics of this binary (from libperl):
Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS USE_64_BIT_INT
USE_64_BIT_ALL USE_LARGE_FILES
PERL_IMPLICIT_CONTEXT
Built under linux
Compiled at Sep 9 2005 16:32:27
@INC:
/usr/lib/perl5/5.8.7/x86_64-linux-thread-multi
/usr/lib/perl5/5.8.7
/usr/lib/perl5/site_perl/5.8.7/x86_64-linux-thread-multi
/usr/lib/perl5/site_perl/5.8.7
/usr/lib/perl5/site_perl
/usr/lib/perl5/vendor_perl/5.8.7/x86_64-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.8.7
/usr/lib/perl5/vendor_perl