[cmake-developers] Fwd: CMake System Prefix Path

[Alexander Neundorf]

On Tuesday 22 October 2013, Stephen Kelly wrote:
> Forwarding this for Ben.
> 
> Would it be reasonable to have a way to not add the CMAKE_INSTALL_PREFIX
> to the CMAKE_SYSTEM_PREFIX_PATH?
> 
> The install prefix is not cleared before the CI build on build.kde.org
> because the dependency graph is quite large (everything depends on Qt,
> most things depend on kdelibs, some things depend on kdepimlibs etc).
> 
> Successful builds are uploaded to a master server and build nodes will
> re-download that if they have no version of the dependency. That
> re-download can be huge and take significant time, so it is avoided by
> also not clearing the install prefix on each of the build nodes.
> 
> Is the only solution to this as Ben describes with
> passing NO_CMAKE_SYSTEM_PATH to CMake?

Is everything installed into its own separate directory, or everything into 
one common install directory ?

Alex