如何构建从git克隆的单个boost库? [英] How can I build an individual boost library forked cloned from git?

问题描述

基于"Jam"文件，使用我不熟悉的此构建系统增强功能.现在，我分叉并克隆了一个特定的Boost库( program_options )，我想构建它并可能还会运行测试.我注意到build/Jamfile.v2-我该怎么办?

Boost using this build system I'm not otherwise familiar with, based on "Jam" files. Now, I've forked and cloned a specific Boost library (program_options), and I want to build it and perhaps also run the tests. I notice a build/Jamfile.v2 - what should I do with it?

我在发行版上尝试了apt-get install jam，但这并没有使我走得太远:

I tried apt-get install jam on my distribution, but that did not get me very far:

$ jam -fbuild/Jamfile.v2
warning: unknown rule project
warning: unknown rule boost-lib
don't know how to make all
...found 2 target(s)...
...can't find 1 target(s)...

此外，我是否必须获得所有Boost的绝对最新开发版本才能构建克隆的库，还是可以使用已经拥有的本地boost版本?

Also, do I have to get the absolute latest development version of all of Boost to build the cloned library against, or can I use a local boost release I already have?

注意:

• 我正在使用最新的GNU/Linux发行版(薄荷18.3，但这无关紧要).

推荐答案

基于@SergeyA和其他人的建议，我所做的是:

What I've done, based on @SergeyA and others' advice, is:

1. 递归地克隆Boost的全部(请参见此页面(这将创建一个boost/文件夹)
2. cd boost
3. 在.git/modules/my_boost_lib/config中，将原始URL更改为您的fork
在.gitmodules中[submodule "my_boost_lib"]下的
4. 中，将URL更改为您的fork
5. 执行git submodule update --init libs/my_boost_lib/(也许在删除该库之后；不确定是否确实必要)
6. cd libs/my_boost_lib/build
7. ../../../b2

1. Clone all of Boost, recursively (see this page (this will create a boost/ folder )
2. cd boost
3. in .git/modules/my_boost_lib/config, change the origin URL to your fork
4. in .gitmodules, under [submodule "my_boost_lib"], change the URL to your fork
5. execute git submodule update --init libs/my_boost_lib/ (perhaps after deleting that library; not sure if that's actually necessary)
6. cd libs/my_boost_lib/build
7. ../../../b2

后者之所以起作用，是因为b2在其当前工作目录中查找Jamfile.v2，并且该文件存在并且仅用于构建库.构建结果将位于libs/my_boost_lib之外.

The latter works because b2 looks for a Jamfile.v2 in its current working directory, and that file exists and is intended to build just the library. The build results will be located outside of libs/my_boost_lib though.

注意:要构建运行库测试，请使用与libs/my_boost_lib/test相同的方式构建.

Note: To build run the library tests, build the same way but from libs/my_boost_lib/test.

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