Summary of my perl5 (revision 5 version 11 subversion 0 patch 33445) configuration: Platform: osname=linux, osvers=2.6.22-14-generic, archname=i686-linux uname='linux hal 2.6.22-14-generic #1 smp tue feb 12 07:42:25 utc 2008 i686 gnulinux ' config_args='-de -Dusedevel -Dprefix=/opt/perl-33445/ -Dmad' hint=recommended, useposix=true, d_sigaction=define 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-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64', optimize='-O2', cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include' ccversion='', gccversion='4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)', 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=4, prototype=define Linker and Libraries: ld='cc', ldflags =' -fstack-protector -L/usr/local/lib' libpth=/usr/local/lib /lib /usr/lib libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc libc=/lib/libc-2.6.1.so, so=so, useshrplib=false, libperl=libperl.a gnulibc_version='2.6.1' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E' cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib' Characteristics of this binary (from libperl): Compile-time options: PERL_DONT_CREATE_GVSV PERL_MAD PERL_MALLOC_WRAP USE_LARGE_FILES USE_PERLIO Locally applied patches: DEVEL Built under linux Compiled at Mar 5 2008 20:16:06 @INC: /opt/perl-33445/lib/5.11.0/i686-linux /opt/perl-33445/lib/5.11.0 /opt/perl-33445/lib/site_perl/5.11.0/i686-linux /opt/perl-33445/lib/site_perl/5.11.0