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List:       kde-mac
Subject:    [KDE/Mac] kmix on OSX sensible or not?
From:       <mk-lists () email ! de>
Date:       2015-03-20 6:26:58
Message-ID: 2410E9A5-E1FC-40AC-B438-E4F26AFC1ABA () email ! de
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Hi Ian,

I had an exchange with Christian Esken about kmix and wondered whether
you could give me a hint as to whether it makes sense to actually try
to build kmix on OSX or whether it's wasted energy just. :-)

Greets,
Marko


Begin forwarded message:

> From: Christian Esken <esken@kde.org>
> Subject: Re: OSX/CI: kmix fails to build on branch master
> Date: 15 Mar 2015 23:39:14 GMT+1
> To: Marko Käning <mk-lists@email.de>, Nick Shaforostoff <shafff@ukr.net>
> Cc: Christoph Feck <cfeck@kde.org>
> 
> Am 02.03.2015 um 21:52 schrieb Marko Käning:
> > Hi Nick and Christian,
> > 
> > I tried to build kmix on OSX/CI and ran into this:
> > ---
> > Undefined symbols for architecture x86_64:
> > "ALSA_getMixer(Mixer*, int)", referenced from:
> > _g_mixerFactories in mixer.cpp.o
> > "ALSA_getDriverName()", referenced from:
> > _g_mixerFactories in mixer.cpp.o
> > ld: symbol(s) not found for architecture x86_64
> > clang: error: linker command failed with exit code 1 (use -v to see invocation)
> > make[2]: *** [libkdeinit5_kmixctrl.dylib] Error 1
> > make[1]: *** [CMakeFiles/kdeinit_kmixctrl.dir/all] Error 2
> > ---
> > 
> > Is kmix not usable (or perhaps even not to be used) on OSX?
> > 
> > Greets,
> > Marko
> 
> Hello Marko,
> 
> I do not own a OSX device and am also not aware whether KMix works on OSX.
> 
> If OSX supports either OSS or ALSA, it could work. In theory, KMix should always \
> build. Worst case should be, that no backends can be built, rendering KMix totally \
> useless.If you can make it compile and work, please let me know. Below are some \
> hints, and I can give you more explanations and hints if required. 
> Greetings,
> Christian
> 
> 
> It looks like ALSA was detected by the build system, but somehow linking to libalsa \
> failed. It should either not work at all, 
> 
> # From CMakeLists.txt:
> # Explanation: The following makes sure, that the backend is compiled in
> 
> if (HAVE_LIBASOUND2)
> set(kmix_backend_SRCS ${kmix_backend_SRCS}
> backends/mixer_alsa9.cpp )
> endif (HAVE_LIBASOUND2)
> 
> 
> # From CMakeLists.txt:
> # Explanation: The following makes sure, that the ALSA library is linked to.
> 
> if (HAVE_LIBASOUND2)
> target_link_libraries(kdeinit_kmix ${ASOUND_LIBRARY})
> endif (HAVE_LIBASOUND2)
> 
> 
> 
> # From kmix-backends.cpp:
> # Explanation: The following makes sure, that the backend factory is registered
> 
> #if defined(HAVE_LIBASOUND2)
> { ALSA_getMixer, ALSA_getDriverName },
> #endif
> 




Begin forwarded message:

> From: Christian Esken <christian@esken.de>
> Subject: Re: OSX/CI: kmix fails to build on branch master
> Date: 18 Mar 2015 23:24:38 GMT+1
> To: Marko Käning <mk-lists@email.de>
> 
> 
> 
> 
> 
> > Am 18.03.2015 um 08:05 schrieb Marko Käning <mk-lists@email.de>:
> > 
> > Hi Christian,
> > 
> > thanks for your response!
> > 
> > > On 15 Mar 2015, at 23:39 , Christian Esken <esken@kde.org> wrote:
> > > I do not own a OSX device and am also not aware whether KMix works on OSX.
> > 
> > I see.
> > 
> > 
> > > If OSX supports either OSS or ALSA, it could work. In theory, KMix should \
> > > always build. Worst case should be, that no backends can be built, rendering \
> > > KMix totally useless.If you can make it compile and work, please let me know. \
> > > Below are some hints, and I can give you more explanations and hints if \
> > > required.
> > 
> > Thanks for the explanations and hints on build system and code. I will check
> > this with Ian Wadham, I think, since he knows more about sound on Linux.
> > 
> > I could image that kmix makes only sense if one wants to run *Plasma*...
> > This isn't an option for OSX anyways.
> 
> Well, you can run it without, for example I also ran KMix in XCF ans a Gnome \
> session once. Nevertheless, it makes often sense to use the Mixer shipped with the \
> soundcard or OS. Thus KMix would not make too much sense under Windows. 
> > 
> > Greets,
> > Marko
> > 
> > 
> > P.S.: BTW, we finally got kmix_master_qt5 set up properly on Jenkins
> > and it succeeds ( http://build.kde.org/view/FAILED/job/kmix_master_qt5/ )! 
> 
> 
> Great. I have seen it failing before, and was wondering whether I needed to fix \
> something myself. 
> Christian

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