Summary of my perl5 (revision 5 version 8 subversion 8) configuration: Platform: osname=darwin, osvers=8.7.1, archname=darwin-thread-multi-2level uname='darwin windhund.local 8.7.1 darwin kernel version 8.7.1: wed jun 7 16:19:56 pdt 2006; root:xnu-792.9.72.obj~2release_i386 i386 i386 ' config_args='-Dprefix=/usr/local/perl/5.8.8 -Dccflags=-I/sw/include -Dldflags=-L/sw/lib -Dperladmin=schwern@pobox.com -Uinstallusrbinperl -Duseithreads' 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=undef use64bitall=undef uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cc', ccflags ='-I/sw/include -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/opt/local/include', optimize='-O3', cppflags='-no-cpp-precomp -I/sw/include -fno-common -DPERL_DARWIN -no-cpp-precomp -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/opt/local/include' ccversion='', gccversion='4.0.1 (Apple Computer, Inc. build 5363)', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 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 ='-L/sw/lib -L/usr/local/lib' libpth=/usr/local/lib /sw/lib /usr/lib libs=-lgdbm -ldbm -ldb -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_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' ' cccdlflags=' ', lddlflags='-L/sw/lib -bundle -undefined dynamic_lookup -L/usr/local/lib' Characteristics of this binary (from libperl): Compile-time options: MULTIPLICITY PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_ITHREADS USE_LARGE_FILES USE_PERLIO USE_REENTRANT_API Built under darwin Compiled at Sep 5 2006 03:01:50 %ENV: PERL5LIB="/sw/lib/perl5:/sw/lib/perl5/darwin" @INC: /sw/lib/perl5 /sw/lib/perl5/darwin /usr/local/perl/5.8.8/lib/darwin-thread-multi-2level /usr/local/perl/5.8.8/lib /usr/local/lib/site_perl/5.8.8/darwin-thread-multi-2level /usr/local/lib/site_perl/5.8.8 /usr/local/lib/site_perl .