version checking for Oyranos

[David Faure]

On Thursday 09 January 2014 22:04:40 Alexander Neundorf wrote:
> On Thursday 09 January 2014, David Faure wrote:
> > kolor-manager.git doesn't check the version number of the oyranos library
> > it's using.
> > 
> > So I tried this:
> > 
> > diff --git a/CMakeLists.txt b/CMakeLists.txt
> > index a227fa8..8ce6372 100644
> > --- a/CMakeLists.txt
> > +++ b/CMakeLists.txt
> > @@ -15,7 +15,7 @@ SET( ${PROJECT_NAME}_MICRO_VERSION 2)
> > 
> >  SET( ${PROJECT_NAME}_VERSION
> > 
> > ${${PROJECT_NAME}_MAJOR_VERSION}.${${PROJECT_NAME}_MINOR_VERSION}.${${PROJ
> > ECT_NAME}_MICRO_VERSION} )
> > 
> >  FIND_PACKAGE(KDE4 REQUIRED )
> > 
> > -FIND_PACKAGE(Oyranos REQUIRED)
> > +FIND_PACKAGE(Oyranos 0.9.5 REQUIRED)
> > 
> >  FIND_PACKAGE(Xcm REQUIRED)       # for KolorServer
> >  
> >  INCLUDE_DIRECTORIES(${KDE4_INCLUDES} ${OYRANOS_INCLUDE_DIRS}
> > 
> > ${XCM_INCLUDE_DIRS})
> > 
> > and it gives:
> > 
> > CMake Error at CMakeLists.txt:18 (FIND_PACKAGE):
> >   Could not find a configuration file for package "Oyranos" that is
> >   compatible with requested version "0.9.5".
> >   
> >   The following configuration files were considered but not accepted:
> >     /usr/lib64/oyranos/cmake/OyranosConfig.cmake, version: unknown
> 
> the file you attached is 0.9.4, but 0.9.5 is required it seems.
> 
> Beside that, the Config file does a bunch of find_...() calls, which is not
> the recommended way, but it should be ok, since the paths are probably
> configured to point to the correct the install location, and NO_DEFAULT_PATH
> is used.
> So I don't see an obvious reason why OYRANOS_FOUND should be false.
> 
> I'd add a bunch of debug output and just see what happens.
> Btw. cmake 2.8.12 has a macro
> include(CMakePrintHelpers)
> cmake_print_variables(Var1 ... VarN)
> which makes this easier.

The file  /usr/lib64/oyranos/cmake/OyranosConfig.cmake isn't even being opened 
by cmake - I add message(STATUS "....") in it, and it never shows up.

Could it be because cmake is looking for a OyranosConfigVersion.cmake file, 
which doesn't exist?

-- 
David Faure, faure at kde.org, http://www.davidfaure.fr
Working on KDE, in particular KDE Frameworks 5