Directory structure and version conflicts

[Panu Matilainen]

On 05/22/2013 01:38 AM, Fabricio Cannini wrote:
> Hi there
>
> I'm trying to define a directory structure that allow for many varieties
> of the same software to be installed . The differences would consist of :
>
> - Software version
> - Compiler vendor
> - Compiler version
>
> These packages are for centos 5 and 6, basically .
>
>
> The directory structure I'm thinking of is like this :
>
> ====
>
> /opt
>      /{ softwares,libraries,compilers }
>          /software_name
>              /software_version
>                  /compiler_name
>                      /compiler_version
>
> ====
>
> Also, i'm thinking of embedding compiler vendor and version on the
> 'release' field of the rpm .
>
>
>
> The questions are :
>
> - Is the directory structure too complex ? Can it be simpler while
> allowing multiple variations of the same software ( version ) to be
> installed side-by-side ?
>
> - Am I abusing the 'release' field ?
>
> - On the current roadmap of rpm ( the software ) development, is my plan
> ( a little, at least ) future-proof ?

For parallel-installable packages 'release' is the wrong place to 
differentiate them, put the differences into the package names instead: 
http://rpm.org/wiki/PackagerDocs/MultipleVersions

	- Panu -