Re: [Jack-Devel] gcc-4.1 support

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DateSun, 17 Jun 2012 11:11:10 +0200
From Patrick Shirkey <[hidden] at boosthardware dot com>
To[hidden] at lists dot jackaudio dot org
In-Reply-ToPatrick Shirkey Re: [Jack-Devel] gcc-4.1 support
On Wed, June 13, 2012 2:28 am, Patrick Shirkey wrote:
>
> On Wed, June 13, 2012 1:59 am, Paul Davis wrote:
>> On Tue, Jun 12, 2012 at 7:54 PM, Patrick Shirkey
>> <[hidden]
>>> wrote:
>>
>>>
>>> Without asking you to personally commit to anything is there a
>>> theoretical
>>> possibility that it could be supported?
>>>
>>
>> posix rwlocks were a part of the UNIX98 specification. that's 1998 ...
>> it
>> is now 2012. using a compiler and/or glibc that doesn't support a
>> feature
>> from 24 years ago ... not worth anyone's time.
>>
>> and ironically, its almost certainly just a header file issue. i
>> strongly
>> suspect that the glibc version on these systems has these rwlocks, but
>> the
>> headers are not exposing it for various reasons.
>>
>
>
> Thanks that helped make things click for me.
>
> To build alsa-driver I had to change a couple of things in the configure
> script. One of those things was to add
>
> _GNU_SOURCE
>
> to the CPPFLAGS.
>
> I looked at the jack makefile.am. Do you have a suggestion for the best
> way to add it?
>


For future reference the way to solve this problem is quite simple.

cd jack
./configure --prefix=/usr CFLAGS=-D_GNU_SOURCE
make
make install


> If this works I'll have a new tutorial to write...
>
>     "Updating etch to latest Alsa and Jack"
>

Just need to solve a small issue with alsa-drivers on the 2.6.18 kernel
and I think it is done.





--
Patrick Shirkey
Boost Hardware Ltd
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