howto install rules ?

[Matt Rogers]

On Fri, Jan 13, 2006 at 05:33:30PM +0100, Alexander Neundorf wrote:
> Hi,
> 
> On Thursday 12 January 2006 23:53, David Faure wrote:
> > On Thursday 12 January 2006 23:00, Alexander Neundorf wrote:
> > > Hi,
> > >
> > > with cmake install rules usually look this way:
> > >
> > > 1) INSTALL_FILES( /share/applications/kde FILES kpager.desktop )
> > > The path is relative to the installation prefix.
> > > Is it necessary to use a variable for this path ?
> >
> > Yes, see ./configure --datadir=...
> 
> One note how such things are set with cmake.
> cmake doesn't recognize parameters like --prefix or --datadir in this syntax.
> There are two ways how it is done with cmake:
> cmake -DCMAKE_INSTALL_PREFIX=/opt/kde4 (works for every cmake variable)
> or via the cmake GUI, where all options can be set. Currently for unix there 
> is a ncurses-based GUI.
> There have already been discussion about adding support for 
> --prefix=<some_dir> to cmake on the cmake mailing list, and the cmake guys 
> didn't dismiss this idea completely.
> 
> > It is known that some distributions install things with another hierarchy
> > than the default; at least debian used to do it for a long time, don't know
> > if that's still the case.
> >
> > > 2) This would look like this:
> > > INSTALL_FILES( ${KDE4_APP_DIR} FILES kpager.desktop )
> >
> > Looks ok to me. Why KDE4 and not just KDE?
> 
> To be able to see whether this is for KDE4 or KDE3 and not to mix things up. 
> There is a FindKDE3.cmake together with a KDE3Macros.cmake, containing stuff 
> for KDE3, and there will be a FindKDE4.cmake together with a 
> KDE4Macros.cmake. IMO they should not use the same names for stuff which has 
> a different meaning. If they have different names, it should e.g. also be 
> possible to build applications for KDE3 and KDE4 in one project.
> 
> Bye
> Alex

I think we're mostly concerned about KDE 4 here, so if you want to have
cmake rules for both KDE 3 and KDE 4, I think it is preferable to have
KDE be the default prefix for KDE 4 and use KDE3 for KDE 3.x stuff
instead.
--
Matt