KF5 Update Meeting 2013-w20

Alexander Neundorf neundorf at kde.org
Mon Jun 3 21:24:48 BST 2013

On Monday 03 June 2013, Christophe Giboudeaux wrote:
> On Monday 03 June 2013 12:34:46 David Faure wrote:
> > On Monday 20 May 2013 11:53:18 Alexander Neundorf wrote:
> > > there was a review request for a find-module for libusb1 here a few
> > > days ago,  which we have already in e-c-m, but he can't use it because
> > > it is not
> > > released
> > 
> > Could we maybe release a first version of ECM with only find modules, and
> > without the frameworks stuff ? Obviously KF5 wouldn't be able to use
> > that, so it would keep depending on ECM-from-git (and we could still
> > change the API for that stuff if needed, which I assume is the reason
> > for Stephen's "no"). But this way, Qt4/KDE4 apps could start using ECM,
> > for shared find modules.
> I see a couple issues:
> - http://community.kde.org/KDE_Core/Platform_11/Buildsystem/FindFilesSurvey
> is far from being done. some of the modules have to be refreshed to be
> compliant with CMake's standards (coding style, macro usage, variables
> names,casing...). The "upstream?" comment is also confusing, ie I have no
> idea what the criteria are before submitted a Findxxx.cmake upstream or
> let it live in ecm.
> - Unless
> http://mail.kde.org/pipermail/kde-buildsystem/2012-February/008499.html is
> fixed, I'd also recommend to stay far away from e-c-m.

this is a problem if a project searches several different versions of e-c-m, 
and the one which is searched first is not the highest required version, right 
> > I wonder how you plan to handle the conflicts between ECM and kdelibs4's
> > cmake modules, though...

Find-modules with the same name ?

Putting ${ECM_MODULE_PATH} in the first place in CMAKE_MODULE_PATH should make 
cmake prefer the files from there over any others.
A project can also decide to explicitely use just a subset of the contained 

ecm_use_find_modules(DIR ${CMAKE_BINARY_DIR}/cmake/ Modules FindBlueZ.cmake
                     NO_OVERRIDE )

In which cases should that lead to problems ?


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