Phonon

[Harald Sitter]

On Tue, May 31, 2011 at 7:58 PM, Michael Jansen <kde at michael-jansen.biz> wrote:
> On Tuesday 31 May 2011 19:34:57 Harald Sitter wrote:
>> On Tue, May 31, 2011 at 12:31 AM, Alexander Neundorf <neundorf at kde.org>
> wrote:
>> > On Sunday 22 May 2011, Alexander Neundorf wrote:
>> > ...
>> >
>> >> > > There will be a PhononConfig.cmake file, which will be found
>> >> > > by
>> >> > > find_package(), and it will contain all the information about
>> >> > > the
>> >> > > installed phonon, like e.g. the include dir.
>> >> > > It will be placed in lib/cmake/phonon/.
>> >> > > Alternatively it could also go into lib/phonon/cmake/.
>> >> >
>> >> > lib/cmake/phonon sounds best (to have everything in a central
>> >> > place :)).
>> >>
>> >> Ok.
>> >
>> > One more thing: phonon installs some things by default outside
>> > CMAKE_INSTALL_PREFIX.
>> > This is the Qt plugin and the Qt prj file.
>> >
>> > This is not good. By default nothing should be installed outside
>> > CMAKE_INSTALL_PREFIX, because the one who installs may not have write
>> > permissions there and he may have chosen the install prefix so that it
>> > doesn't touch the rest of the system.
>>
>> I agree.
>>
>> > So, I'd like to change this so that the default is inside
>> > CMAKE_INSTALL_PREFIX, maybe with a message that some things may have to
>> > be set up, and that it can optionally be changed to whatever is wanted.
>>
>> If we'd install the Qt plugins anywhere but in the designated Qt
>> directories, Qt would not find them, making for a major inconvenience
>> for the user. I am not quite sure how to install to C_I_P and maintain
>> sane default behavior. If I wanted to develop an application using
>> Phonon and Qt Designer (though QML will have the very same problem
>> really), I surely would not want to jump through all sorts of hoops to
>> get the install paths right.
>>
>> So, no idea what to do, but simply installing to C_I_P will not do as
>> it moots the users/developers experience.
>
> By default install into the CMAKE Prefix.
>
> Add a option to install that file into the qt prefix. I have to emphasize that
> the default of that option has to be "install into the cmake prefix". Those
> qt-streamer guys  failed to get that right.
>
> If that option not set print out a message stating it will not work and if
> they want to have it work they have to use that option but that will probably
> require root right for installation.
>
> With qt 4.8 print out a warning if that option is not set and inform the user
> that he has to set QMAKESPEC correctly if cmake prefix != qt prefix and the
> option is not set and the sermon above.

I have no idea what that is supposed to mean.
At any rate cmake prefix != qt prefix is absolutely and entirely
insufficient as distributions could be putting their Qt plunder
anywhere within a prefix (and they do).

regards,
Harald