Perl 5.10 is more than a decade old and is no longer supported. The current version is 5.18. There are any number of bugs resolved, language enhancements, and security fixes lacking due to using something this old.<br />
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Q: Why isn't the perl distributed with Centos kept up to date? <br />
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<br />
$ /usr/bin/perl -V<br />
Summary of my perl5 (revision 5 version 10 subversion 1) configuration:<br />
<br />
Platform:<br />
osname=linux, osvers=2.6.32-44.2.el6.x86_64, archname=x86_64-linux-thread-multi<br />
uname='linux c6b5.bsys.dev.centos.org 2.6.32-44.2.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a> smp wed jul 21 12:48:32 edt 2010 x86_64 x86_64 x86_64 gnulinux '<br />
config_args='-des -Doptimize=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -DDEBUGGING=-g -Dversion=5.10.1 -Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red Hat, Inc. -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl5 -Dsitearch=/usr/local/lib64/perl5 -Dprivlib=/usr/share/perl5 -Darchlib=/usr/lib64/perl5 -Dvendorlib=/usr/share/perl5/vendor_perl -Dvendorarch=/usr/lib64/perl5/vendor_perl -Dinc_version_list=5.10.0 -Darchname=x86_64-linux-thread-multi -Dlibpth=/usr/local/lib64 /lib64 /usr/lib64 -Duseshrplib -Dusethreads -Duseithreads -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Di_db -Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinperl=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr -Dd_gethostent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto -Ud_endprotoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto -Ud_setservent_r_proto -Dscriptdir=/usr/bin'<br />
hint=recommended, useposix=true, d_sigaction=define<br />
useithreads=define, usemultiplicity=define<br />
useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef<br />
use64bitint=define, use64bitall=define, uselongdouble=undef<br />
usemymalloc=n, bincompat5005=undef<br />
Compiler:<br />
cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',<br />
optimize='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic',<br />
cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'<br />
ccversion='', gccversion='4.4.5 20110214 (Red Hat 4.4.5-6)', gccosandvers=''<br />
intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678<br />
d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16<br />
ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8<br />
alignbytes=8, prototype=define<br />
Linker and Libraries:<br />
ld='gcc', ldflags =' -fstack-protector'<br />
libpth=/usr/local/lib64 /lib64 /usr/lib64<br />
libs=-lresolv -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lpthread -lc<br />
perllibs=-lresolv -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc<br />
libc=, so=so, useshrplib=true, libperl=libperl.so<br />
gnulibc_version='2.12'<br />
Dynamic Linking:<br />
dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/usr/lib64/perl5/CORE'<br />
cccdlflags='-fPIC', lddlflags='-shared -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic'<br />
<br />
<br />
Characteristics of this binary (from libperl):<br />
Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV<br />
PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP USE_64_BIT_ALL<br />
USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES<br />
USE_PERLIO USE_REENTRANT_API<br />
Built under linux<br />
Compiled at Nov 6 2011 00:38:44<br />
%ENV:<br />
PERLDOC="-t"<br />
@INC:<br />
/usr/local/lib64/perl5<br />
/usr/local/share/perl5<br />
/usr/lib64/perl5/vendor_perl<br />
/usr/share/perl5/vendor_perl<br />
/usr/lib64/perl5<br />
/usr/share/perl5<br />
.<br />
(prod_y_etl) slembark@i-b454d1da ordr.in $<br />
<br />
This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi<br />
<br />
Copyright 1987-2009, Larry Wall<br />
<br />
Perl may be copied only under the terms of either the Artistic License or the<br />
GNU General Public License, which may be found in the Perl 5 source kit.<br />
<br />
Complete documentation for Perl, including FAQ lists, should be found on<br />
this system using "man perl" or "perldoc perl". If you have access to the<br />
Internet, point your browser at <a href="http://www.perl.org/,">http://www.perl.org/,</a> [<a href="http://www.perl.org/," target="_blank">^</a>] the Perl Home Page.
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