Support absolute library path of the package when link

[waruqi]

#5066

[sunhs]

这个在描述包/安装包的时候可用吗。比如我构建 pkg，依赖于 pkg2。在安装编译 pkg 时，或者在测试 package:check_cxxsnippets 时，有可能因为 -L -l 找到系统的 pkg2 然后出错

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Is this available when describing packages/installation packages? For example, I build pkg, which depends on pkg2. When installing and compiling pkg, or when testing package:check_cxxsnippets, it is possible that -L -l finds the system's pkg2 and then an error occurs.

[waruqi]

目前仅用于 target

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Currently only used for target