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我应该何时安装“*-dev”包？

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我应该何时安装“*-dev”包？

有时，apt-cache 会提供“-dev”包，例如：

libdianewcanvas2     - a gtk+2 vectorial canvas with extra features
libdianewcanvas2-dev - a gtk+2 vectorial canvas with extra features

我想知道什么时候应该安装“*-dev”包？libdianewcanvas2 和 libdianewcanvas2-dev 有什么区别？

答案1

让我们比较一下这两个包的输出apt show PACKAGENAME。这里我没有展示完整的输出，只展示一些相关部分：

$ apt show libdianewcanvas2 libdianewcanvas2-dev

Package: libdianewcanvas2
Version: 0.6.10-5.4
[...]
Description: a gtk+2 vectorial canvas with extra features
 Dia-newcanvas is a gtk+2 vectorial widget that has got extra features as
 compared to GNOME canvas:
 .
    [...]

Package: libdianewcanvas2-dev
Version: 0.6.10-5.4
[...]
Description: a gtk+2 vectorial canvas with extra features
 Dia-newcanvas is a gtk+2 vectorial widget that has got extra features as
 compared to GNOME canvas:
 .
    [...]
 .
 This package contains the header files and static library needed for
 development of programs using dia-newcanvas.

这里的区别**This package contains the header files and static library needed for development of programs using dia-newcanvas.**实际上正是对大多数*-dev包装的描述。

总而言之，您通常只需要*-dev根据软件包提供的库来开发自己的应用程序。除此之外，我看不出有什么用例需要您手动安装。当然，您安装的其他一些软件包也有可能具有*-dev依赖关系，因此会自动安装。

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