使用 ExtUtils::MakeMaker 时如何更改脚本/模块中的变量字符串

发布于 2024-10-26 00:40:25 字数 611 浏览 1 评论 0原文

我在用 perl 编写的应用程序中有一些模块和脚本。对于其分发，我使用 ExtUtils::MakeMaker。

模块和脚本的目标操作系统是Linux。重点是，我期望最终用户将模块/脚本安装在非标准目录中，也许在他们自己的目录中，然后他们安装如下：

perl Makefile.PL PREFIX='/YOUR/DIRECTORY'
make
make test
make install

ExtUtils::MakeMaker 解决了模块/脚本时的问题安装目录不是标准的，并且通过 PREFIX 变量。

如何将 PREFIX 字符串的值复制或替换到脚本中？例如，而不是硬代码：

use lib '/YOUR/DIRECTORY';

我想将其替换为如下模板：

use lib '%%PREFIX%%';

其中 %%PREFIX%% 在“编译”时间被替换，并且没有设置环境变量（$ENV{'PREFIX'})

感谢您的回答！

原文

I have some modules and scripts in an application written in perl. For its distribution I am using ExtUtils::MakeMaker.

The modules and scripts' target OS is Linux. The point is than I expect the final users will install the modules/scripts in non standard directories and maybe in their own directory, then they install like:

perl Makefile.PL PREFIX='/YOUR/DIRECTORY'
make
make test
make install

ExtUtils::MakeMaker solves the problem when the modules/scritps instalation directory are not standard and by PREFIX variable.

How can I copy or replace the PREFIX string' value into the scripts? for example, instead of hard code:

use lib '/YOUR/DIRECTORY';

I would like to replace it for a template like:

use lib '%%PREFIX%%';

where %%PREFIX%% is replaced in "compiling" time, and without set an environment variable ($ENV{'PREFIX'})

Thank for your answers!!

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疾风者 2024-11-02 00:40:25

要使用的是 PM_FILTER：

if (!($^O eq 'MSWin32' || $Config{'ccflags'} =~ /-D_?WIN32_?/)) {
    # doesn't work on windows: no sed
    $opts{'PM_FILTER'} = 'sed -e "s|/usr/share|$(PREFIX)/share|"';
}

它适用于 Linux 和除 Windows 之外的几乎所有操作系统（正如您可以从注释中看到的）。

[更新以包含更多使用细节：]

use ExtUtils::MakeMaker;

%opts = (
     'NAME'         => 'myModulesAndScripts',
     # ...
    );

if (!($^O eq 'MSWin32' || $Config{'ccflags'} =~ /-D_?WIN32_?/)) {
    # doesn't work on windows: no sed
    $opts{'PM_FILTER'} = 'sed -e "s|/usr/share|$(PREFIX)/share|"';
}

WriteMakefile(%opts);

（正如评论所指出的，您可以尝试在 PM_FILTER 中调用 perl 本身，这样您就不需要 Windows 检查；在上面的示例中，但是，我发现 perl 不在 exec 路径中并且 /usr 的现有 PREFIX 路径已经可以的情况...如果需要，您可以直接在正常的 WriteMakefile 参数列表中定义 PM_FILTER 。

The thing to use is the PM_FILTER:

if (!($^O eq 'MSWin32' || $Config{'ccflags'} =~ /-D_?WIN32_?/)) {
    # doesn't work on windows: no sed
    $opts{'PM_FILTER'} = 'sed -e "s|/usr/share|$(PREFIX)/share|"';
}

Which works on linux and pretty much everything but windows (as you can see by the comments).

[Updated to include more usage detail:]

use ExtUtils::MakeMaker;

%opts = (
     'NAME'         => 'myModulesAndScripts',
     # ...
    );

if (!($^O eq 'MSWin32' || $Config{'ccflags'} =~ /-D_?WIN32_?/)) {
    # doesn't work on windows: no sed
    $opts{'PM_FILTER'} = 'sed -e "s|/usr/share|$(PREFIX)/share|"';
}

WriteMakefile(%opts);

(and as is pointed out the comments, you can try to call perl itself in the PM_FILTER so you don't need the windows check; in my example above, however, I found instances where perl wasn't in the exec path and the existing PREFIX path of /usr was already ok... You can define the PM_FILTER directly in the normal WriteMakefile argument list if you want.

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