>:~$ perl -V Summary of my perl5 (revision 5 version 16 subversion 3) configuration: Platform: osname=linux, osvers=2.6.32-279.el6.x86_64, archname=x86_64-linux uname='linux nyctrdmonp02 2.6.32-279.el6.x86_64 #1 smp fri jun 22 12:19:21 utc 2012 x86_64 x86_64 x86_64 gnulinux ' config_args='' hint=recommended, useposix=true, d_sigaction=define useithreads=undef, usemultiplicity=undef useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef use64bitint=define, use64bitall=define, 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='4.4.7 20120313 (Red Hat 4.4.7-3)', 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 =' -fstack-protector -L/usr/local/lib' libpth=/usr/local/lib /lib/../lib64 /usr/lib/../lib64 /lib /usr/lib /lib64 /usr/lib64 libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lc perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc libc=/lib/libc-2.12.so, so=so, useshrplib=false, libperl=libperl.a gnulibc_version='2.12' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E' cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector' Characteristics of this binary (from libperl): Compile-time options: HAS_TIMES PERLIO_LAYERS PERL_DONT_CREATE_GVSV PERL_MALLOC_WRAP PERL_PRESERVE_IVUV USE_64_BIT_ALL USE_64_BIT_INT USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF Built under linux Compiled at May 21 2014 13:54:14 @INC: /export/home/scratch/perl/lib/site_perl/5.16.3/x86_64-linux /export/home/scratch/perl/lib/site_perl/5.16.3 /export/home/scratch/perl/lib/5.16.3/x86_64-linux /export/home/scratch/perl/lib/5.16.3 #### >:/export/home/scratch/perl/lib$ find . -name DBI* ./site_perl/5.16.3/CGI/Session/Driver/DBI.pm ./site_perl/5.16.3/Log/Log4perl/Appender/DBI.pm ./site_perl/5.16.3/DBI ./site_perl/5.16.3/x86_64-linux/Win32/DBIODBC.pm ./site_perl/5.16.3/x86_64-linux/DBI ./site_perl/5.16.3/x86_64-linux/auto/DBI ./site_perl/5.16.3/x86_64-linux/auto/DBI/DBI.bs ./site_perl/5.16.3/x86_64-linux/auto/DBI/DBI.so ./site_perl/5.16.3/x86_64-linux/auto/DBI/DBIXS.h ./site_perl/5.16.3/x86_64-linux/DBI.pm ./site_perl/5.16.3/x86_64-linux/Bundle/DBI.pm >:/export/home/scratch/perl/lib$ find . -name DBD* ./site_perl/5.16.3/DBD ./site_perl/5.16.3/x86_64-linux/DBD ./site_perl/5.16.3/x86_64-linux/DBI/DBD ./site_perl/5.16.3/x86_64-linux/DBI/DBD.pm ./site_perl/5.16.3/x86_64-linux/auto/DBD ./site_perl/5.16.3/x86_64-linux/Bundle/DBD