手动安装 Perl 模块
我已经下载了模块 Digest::SHA1 并将其提取到目录 (../Digest-SHA1-2.13/) ，然后将所有 SHA1.* 文件复制到 (../Digest-SHA1 -2.13/Digest）
，在 perl 脚本中，我做了： use Digest::SHA1; 像这样启动脚本：
perl -I ../Digest-SHA1-2.13/Digest perlscriptname.pl
我收到此错误：
Can't locate loadable object for module Digest::SHA1 in @INC
我假设它与共享库（*.so）有关？，我不知道如何从这里继续。
我可以使用 CPAN (-MCPAN) 模块直接安装它，因为我在该服务器上没有执行此操作的权限，并且只能在本地安装（应用程序运行的位置）。 我的最终目标是使用 Algorithm::CouponCode ，它依赖于 Digest::SHA1
奇怪的是，我有 Digest::SHA1 > 已安装（perl -MDigest::SHA1 -e 'print $Digest::SHA1::VERSION' 显示版本 2.11），仍然Algorithm::CouponCode （其安装方式与我使用 Digest::SHA1 的方式相同）抱怨它可以在 @INC 中找到它，
谢谢！
I have downloaded the module Digest::SHA1 and extracted it to a directory (../Digest-SHA1-2.13/) , then copied all the SHA1.* files into (../Digest-SHA1-2.13/Digest)
and in the perl script, I did : use Digest::SHA1;
launching the script like this:
perl -I ../Digest-SHA1-2.13/Digest perlscriptname.pl
I get this error:
Can't locate loadable object for module Digest::SHA1 in @INC
I assume it has something to do with a shared library (*.so)?, I have no idea how to continue from here.
I can install it directly using CPAN (-MCPAN) module, as I dont have permissions on that server to do that, and can install only locally (where the application is running).
My final goal is to use Algorithm::CouponCode which is dependent on Digest::SHA1
The weird part is, that I have Digest::SHA1 installed (perl -MDigest::SHA1 -e 'print $Digest::SHA1::VERSION' shows version 2.11), still Algorithm::CouponCode (which is installed the same way I did with Digest::SHA1) complains it can find it in @INC
thanks!
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使用此方法手动安装 perl 模块：
请注意，某些发行版将具有
Build.PL文件，而不是Makefile.PL。在这种情况下，请使用以下配方：（您可能只需运行
make install和./Build install即可。）如果您需要更改安装目录，则use:
或
取决于模块的种类。
有关详细信息，请参阅 ExtUtils::MakeMaker::FAQ 的 perldoc和 Module::Build
Use this recipe for manually installing perl modules:
Note that some distributions will have a
Build.PLfile instead ofMakefile.PL. In that case use this recipe:(You may be able to get by with just running
make installand./Build install.)If you need to alter the installation dir then use:
or
depending on the kind of module.
For more info see the perldoc for ExtUtils::MakeMaker::FAQ and Module::Build
Perl 模块有两种：pure-Perl 和 XS。 Pure-Perl 模块完全用 Perl 编写，通常只需将
.pm文件复制到适当的目录即可安装。 XS 模块是用 Perl 和 C 编写的（XS 由 ExtUtils:: 处理为 C 代码ParseXS 模块）并需要 C 编译器来安装它们。正如 dsolimano 所说，当您没有 root 访问权限时，为系统 Perl 安装 Perl 模块的最简单方法是使用 本地::lib。 （你可以做
local::lib自己做的同样的事情，但为什么要麻烦呢？）为什么
Digest::SHA1单独工作但当你使用Algorithm::CouponCode的原因是系统Perl已经安装了2.11版本的Digest::SHA1。当您使用-I ../Digest-SHA1-2.13/Digest时，use Digest::SHA1将从 ../Digest-SHA1-2.13 中获取 Perl 代码/Digest，但是从 XS 代码构建的共享库不在相应的位置。There are two kinds of Perl module: pure-Perl and XS. Pure-Perl modules are written entirely in Perl, and can usually be installed just by copying the
.pmfiles to an appropriate directory. XS modules are written in both Perl and C (XS is processed into C code by the ExtUtils::ParseXS module) and require a C compiler to install them.As dsolimano said, the easiest way to install Perl modules for the system Perl when you don't have root access is to use local::lib. (You could do the same things that
local::libdoes yourself, but why bother?)The reason why
Digest::SHA1works by itself but not when you're usingAlgorithm::CouponCodeis that the system Perl already has version 2.11 ofDigest::SHA1installed. When you use-I ../Digest-SHA1-2.13/Digest, thenuse Digest::SHA1picks up the Perl code from ../Digest-SHA1-2.13/Digest, but the shared library that would be built from the XS code is not in the corresponding location.有什么原因不能使用 local::lib 吗？
它基本上是一个帮助您使用私有（非系统范围）目录作为 Perl 库目录的工具。
设置完成后，您可以运行类似的命令
，然后您的脚本将使用本地安装的
Algorithm::CouponCode) 副本。Any reason why you can't use local::lib?
It is basically a tool to help you use a private (non-systemwide) directory as your Perl library directory.
After setting it up, you could run a command like
and then your script would use your locally installed copy of
Algorithm::CouponCode).