So here's the low down on this. In my version here I removed dynamic
linking to pthread in all the plugin opcodes and with csound64.dll. I
didn't remove the pthread dependency, I'm merely linking statically.
This enabled both Cabbage and csound~ to be loaded without a problem
in Abelton Live on Windows 7. For some reason Live won't load a
plugin/extern that dynamically links to the pthread dll.

How csnd6 is linked is irrelevant for me as neither csound~ or Cabbage
use it. Is this any clearer? Sorry for the confusion!

On 26 November 2014 at 05:21, Andres Cabrera  wrote:
> Right, but then there were linking problems on windows, so I think pthreads
> had to be added as to the linker for libcsnd, which then messed with Rory's
> work which required him to build with pthreads statically. I didn't
> experience the problem, but I think this was it. Maybe Michael or Rory can
> comment?
>
> Cheers,
> Andrés
>
> On Tue, Nov 25, 2014 at 7:52 PM, Steven Yi  wrote:
>>
>> I thought all of the changes between Michael and Rory had to do with
>> removing pthreads altogether so that other applications using csound and
>> csnd6 were having problems loading in Live and/or other apps? Odd thing is
>> that I checked your commits:
>>
>> https://github.com/csound/csound/commits?author=mantaraya36
>>
>> And I don't see any changes to add pthreads to csPerfThread, only adding
>> additional pthread_cond code.
>>
>>
>> On Tue Nov 25 2014 at 10:29:55 PM Andres Cabrera 
>> wrote:
>>>
>>> If I remember correctly, Rory had to do a change in his version and
>>> Michael had to do a change too because my changes broke some things on
>>> Windows.
>>>
>>> Cheers,
>>> Andrés
>>>
>>> On Tue, Nov 25, 2014 at 4:43 PM, Steven Yi  wrote:
>>>>
>>>> I was looking at the diff for your commit and it seems to me there was
>>>> already a link to pthreads, no?  I think the issue is that Michael had
>>>> removed a link to pthreads altogether in CMake but that worked on some
>>>> systems but not others.
>>>>
>>>>
>>>> On Tue Nov 25 2014 at 6:27:09 PM Andres Cabrera 
>>>> wrote:
>>>>>
>>>>> About the pthreads issue. It is me who introduced the problem. I needed
>>>>> to use the pthreads library in perfThread to synchronize two threads using
>>>>> conditional variables. Although the Csound API offers a type of conditional
>>>>> variables, I am unsure if they will work in the same way as I have used them
>>>>> in the perfThread. I ask because the i am not sure if the locks and barriers
>>>>> offered by csound do what these do. Some links for people who want to have a
>>>>> quick look:
>>>>>
>>>>>
>>>>> https://github.com/csound/csound/blob/develop/interfaces/csPerfThread.cpp#L126
>>>>>
>>>>> https://github.com/csound/csound/blob/develop/interfaces/csPerfThread.cpp#L447
>>>>>
>>>>> If I can use Csound API functions, I could remove the pthread linking
>>>>> in csPerfThread, and the issue would be solved.
>>>>>
>>>>> Cheers,
>>>>> Andrés
>>>>>
>>>>> On Tue, Nov 25, 2014 at 3:14 PM, Steven Yi  wrote:
>>>>>>
>>>>>> Hi Joachim,
>>>>>>
>>>>>> Thanks for volunteering!  The script is in installer/macosx and is
>>>>>> release-build.sh.  You may need to make a copy and adjust some things for
>>>>>> 10.6, particularly the Custom_xxx.cmake file to use.  Also, for any thing to
>>>>>> pack with the installer, add it to a folder called DmgResources in that
>>>>>> folder.  (Typically we just add CsoundQT there).  Besides that, you'll need
>>>>>> to provide the branch to build from, so something like:
>>>>>>
>>>>>> ./release-build.sh develop
>>>>>>
>>>>>> or when we do the release branch, something like:
>>>>>>
>>>>>> ./release-build.sh release/6.04.0
>>>>>>
>>>>>> You would also need to have the same dependencies in /usr/local/lib as
>>>>>> we have.  Those can be build with the dependencies script in
>>>>>> csound6/dependencies.  The download.sh script downloads the libraries, and
>>>>>> build.sh builds and installs them. (You may need to be root to do the
>>>>>> install part).
>>>>>>
>>>>>> It's a bit of a process to get it all together, but once done it's not
>>>>>> too bad.  Maybe give it a try and post any issues here and we can help you
>>>>>> through the process.
>>>>>>
>>>>>> steven
>>>>>>
>>>>>>
>>>>>> On Tue Nov 25 2014 at 5:13:58 PM joachim heintz 
>>>>>> wrote:
>>>>>>>
>>>>>>> yes, ok, i think i could do it for 10.6.  and if andrés helps me, i
>>>>>>> could perhaps even build the recent csoundqt on 10.6.
>>>>>>>
>>>>>>> which is the script you are mentioning, steven?
>>>>>>>
>>>>>>>         joachim
>>>>>>>
>>>>>>>
>>>>>>> Am 25.11.2014 um 23:03 schrieb Steven Yi:
>>>>>>> > I'm wondering about this in general for if we should have a policy
>>>>>>> > on
>>>>>>> > how many OS releases to support (or how many years back), for any
>>>>>>> > OS/system.  Linux is largely fine where users are mostly building
>>>>>>> > themselves or are using binary packages built by a repo.  The kind
>>>>>>> > of
>>>>>>> > support work for multiple versions is oddly easier than the binary
>>>>>>> > releases we are having to do for all of the other platforms.
>>>>>>> >
>>>>>>> > For OSX, I'm leaning towards dropping 10.6 as well.  If someone
>>>>>>> > else who
>>>>>>> > is a 10.6 user wants to do builds of the installer (it's all done
>>>>>>> > with a
>>>>>>> > single script) and wants to join in, that'd be great, but otherwise
>>>>>>> > it's
>>>>>>> > getting to become difficult to build/test on so many previous
>>>>>>> > versions.
>>>>>>> >
>>>>>>> > Windows also seems to be mostly okay; it seems like the 32-bit
>>>>>>> > installers are and have been working across the various versions of
>>>>>>> > Windows that have not been end-of-life'd.  Are only concern there
>>>>>>> > is
>>>>>>> > 64-bit installers.
>>>>>>> >
>>>>>>> > Android and iOS also seem to be working alright for our binary
>>>>>>> > distributions, as are PNaCl and Emscripten.  So this seems like
>>>>>>> > just an
>>>>>>> > OSX issue really.
>>>>>>> >
>>>>>>> > So my take: let's drop 10.6 or find someone willing to contribute
>>>>>>> > to
>>>>>>> > building/testing on 10.6.
>>>>>>> >
>>>>>>> > On Tue Nov 25 2014 at 6:55:29 AM Rory Walsh >>>>>> > > wrote:
>>>>>>> >
>>>>>>> >     I would hope that you can continue to prepare a version for
>>>>>>> > 10.6, even
>>>>>>> >     if it ships without CsoundQT. I don't use CsoundQT on OSX 10.6,
>>>>>>> > but I
>>>>>>> >     do use csound~, csoundapi~, csnd.jar, csnd.py, csladpsa,
>>>>>>> > WinXound etc.
>>>>>>> >     I would hate to lose support for all of these equally amazing
>>>>>>> >     frontends.
>>>>>>> >
>>>>>>> >     On 25 November 2014 at 11:30, Victor Lazzarini
>>>>>>> >     >
>>>>>>> > wrote:
>>>>>>> >      > >From my perspective, the OSX packaging is ready. I had no
>>>>>>> >     further reports, but I have fixed some outstanding issues
>>>>>>> >      > I found meanwhile. This should work for 10.7-10.10, and I
>>>>>>> > can
>>>>>>> >     produce a 10.6 package as well, but that will need
>>>>>>> >      > a matching CsoundQT, which we do not currently have. I am
>>>>>>> >     wondering whether we should drop support for 10.6 at this
>>>>>>> >      > point (we have been working with 3-4 versions behind for
>>>>>>> > most of
>>>>>>> >     the releases, and support for 10.5 was dropped way
>>>>>>> >      > back in one of the later versions of 5).
>>>>>>> >      >
>>>>>>> >      > best regards
>>>>>>> >      > ========================
>>>>>>> >      > Dr Victor Lazzarini
>>>>>>> >      > Dean of Arts, Celtic Studies and Philosophy,
>>>>>>> >      > Maynooth University,
>>>>>>> >      > Maynooth, Co Kildare, Ireland
>>>>>>> >      > Tel: 00 353 7086936
>>>>>>> >      > Fax: 00 353 1 7086952
>>>>>>> >      >
>>>>>>> >      >> On 24 Nov 2014, at 23:01, Steven Yi >>>>>> >     > wrote:
>>>>>>> >      >>
>>>>>>> >      >> Hi All,
>>>>>>> >      >>
>>>>>>> >      >> I wanted to check in on the status of things for 6.04.0. It
>>>>>>> >     seems to me there are two primary outstanding issues:
>>>>>>> >      >>
>>>>>>> >      >> * Compilation on Windows seems to be a problem
>>>>>>> >      >> * The Emscripten build needs to be corrected
>>>>>>> >      >>
>>>>>>> >      >> I've been going back and forth with Ed regarding Emscripten
>>>>>>> > and
>>>>>>> >     he's been great in leading that effort.  I'm unsure of the
>>>>>>> > state of
>>>>>>> >     the Windows build; could Rory and Michael chime in on where
>>>>>>> > we're at?
>>>>>>> >      >>
>>>>>>> >      >> Also, are there other things we are currently waiting on?
>>>>>>> > I'm
>>>>>>> >     wondering when should we start the release branch and get the
>>>>>>> > other
>>>>>>> >     releases going.
>>>>>>> >      >>
>>>>>>> >      >> Thanks!
>>>>>>> >      >> steven
>>>>>>> >      >>
>>>>>>> >
>>>>>>> > ------------------------------__------------------------------__------------------
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>>>>>>> >
>>>>>>> > 
>>>>>>> >      >> Csound-devel mailing list
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>>>>>>> >     
>>>>>>> >      >> https://lists.sourceforge.net/__lists/listinfo/csound-devel
>>>>>>> >     
>>>>>>> >      >
>>>>>>> >      >
>>>>>>> >      >
>>>>>>> >
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>>>>>>> >     
>>>>>>> >      > https://lists.sourceforge.net/__lists/listinfo/csound-devel
>>>>>>> >     
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>>>>>>> >     
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>>>>>>> >
>>>>>>> >
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>>>>>>> >
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>>>>>>> >
>>>>>>>
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That is clearer, thanks.

Mike