[cmake-developers] automatically download library

Brad King brad.king at kitware.com
Thu Oct 8 11:23:43 EDT 2015


On 10/08/2015 11:06 AM, Marsel Galimullin wrote:
> The idea is that CMake has possibility to contact with package managers 
> for download necessary libraries.
> If “find_package” can’t find a library, it need to call apt-get install.
> Example:
>      auto_downland(apt-get)
>      find_package (Boost COMPONENTS system thread REQUIRED)

This does not provide enough information to know what package to install.
This problem is not in scope for a build system.  Another tool should
be used to install dependencies ahead of time before running CMake.
The source tree could come with some kind of dependency spec file for
such a tool to use but this would be independent of the build system.

-Brad



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