[cmake-developers] automatically download library

[Daniel Wirtz]

Hey,

so i've been working on a quite large build system for OpenCMISS, which 
in turn consumes about 30 external packages itself.
the main repo (and cmake logic) can be found here: 
https://github.com/OpenCMISS/manage (branch v1.0).
feel free to have a look around and use some of the logic. essentially, 
it performs checks using find_package and then downloads
the components from our github repos & builds them if not found.

however, such an integration with many many components, difficult 
interoperability and (thus far) unclear origin of the packages that 
should be automatically
installed (you'll need some sort of database / list for that) is quite a 
thing for a masters thesis. not to speak of incompatibilities with other 
system libraries that those
automatically downloaded packages might want to use.
as for ideas, there's the maven concept: https://maven.apache.org/. it's 
not cmake, but it also deals with the "is package there, if not, i know 
where to get & build it" issue.

good luck :-)

Dr. Daniel Wirtz
Dipl. Math. Dipl. Inf.
SRC SimTech
Pfaffenwaldring 5a
+49 711 685 60044

On 10/06/2015 02:22 PM, Марсель Галимуллин wrote:
>
> Hello!
> I'm student of the University LETI and as a masrer'sthesis I want to 
> developan extension to CMake. It is expected that this extension will 
> automatically download missinglibrary ifinstruction such as 
> «find_package (Boost COMPONENTS system thread REQUIRED)» can not find 
> the package. Could you give me some advices where to begin and which 
> the best direction to design, developand whether to do it?
>
> --
> Kind regards,
> Marsel Galimullin.
>
>

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