perl升级安装
Linux服务器，perl版本为5.8.*，最近在学习perl，所以需要把perl升级到最新版本，
你可以在这里下载得到最新版本（截止到现在的最新版是perl-5.14.2）：
http://www.cpan.org/src/5.0/perl-5.14.2.tar.gz
解压完成之后，进入目录，
$ ./Configure -h
查看的编译的帮助信息：
./Configure -h
Usage: Configure [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
[-U symbol] [-U symbol=] [-A command:symbol...]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-f : specify an alternate default configuration file.
-h : print this help message and exit (with an error status).
-r : reuse C symbols value if possible (skips costly nm extraction).
-s : silent mode, only echoes questions and essential information.
-D : define symbol to have some value:
-D symbol symbol gets the value 'define'
-D symbol=value symbol gets the value 'value'
common used examples (see INSTALL for more info):
-Duse64bitint use 64bit integers
-Duse64bitall use 64bit integers and pointers
-Dusethreads use thread support
-Dinc_version_list=nonedo not include older perl trees in @INC
-DEBUGGING=none DEBUGGING options
-Dcc=gcc choose your compiler
-Dprefix=/opt/perl5 choose your destination
-E : stop at the end of questions, after having produced config.sh.
-K : do not use unless you know what you are doing.
-O : let -D and -U override definitions from loaded configuration file.
-S : perform variable substitutions on all .SH files (can mix with -f)
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
e.g.:-Uversiononly
-A : manipulate symbol after the platform specific hints have been applied:
-A append:symbol=value append value to symbol
-A symbol=value like append:, but with a separating space
-A define:symbol=value define symbol to have value
-A clear:symbol define symbol to be ''
-A define:symbol define symbol to be 'define'
-A eval:symbol=value define symbol to be eval of value
-A prepend:symbol=valueprepend value to symbol
-A undef:symbol define symbol to be 'undef'
-A undef:symbol= define symbol to be ''
e.g.:-A prepend:libswanted='cl pthread '
-A ccflags=-DSOME_MACRO
-V : print version number and exit (with a zero status).
这里使用 -de --Dusethreads 参数，所以用这条命令编译（详细参数意义请查看上面的help信息）：
$ ./Configure -de --Dusethreads
等待一会儿，没有问题之后执行：
$ make
$ make test
$ make install
注：这几个步骤比较久，要耐心等待~哈
完成之后用 $ perl -v 来查看更新后的信息：
perl -v
This is perl 5, version 14, subversion 2 (v5.14.2) built for i686-linux
Copyright 1987-2011, Larry Wall
Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.
Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl".If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.
如果还是之前的版本，可能你需要删除掉原来的软连接，建立新的软连接到/usr/bin目录下。
比如说：
ln -s /usr/local/bin/perl /usr/bin/perl
==================================== 全文完 =================================
页:
[1]