[PD] trouble enabling Jack on Ubuntu compile

[Dan Wilcox]

As a followup: https://github.com/pure-data/pure-data/blob/master/INSTALL.txt#L165 <https://github.com/pure-data/pure-data/blob/master/INSTALL.txt#L165>

All other steps are very common for the autotools/make paradigm which is explained, more or less, step by step for beginners in the INSTALL.txt.

However, I do recognize the fact that most people don't "read the manual" and just ./configure && make. This is great and I'm glad the whole autotools work is making things easier and more people are building Pd themselves. I can see the need for at least some sort of prompt to better suggest what the problem would be.

Following Antoine's suggestion, we'll add warning print via https://github.com/pure-data/pure-data/pull/508 <https://github.com/pure-data/pure-data/pull/508>:

checking for jack_set_xrun_callback in -ljack... no
checking for jack_set_error_function in -ljack... no
configure: WARNING: JACK development files not found... skipping (See INSTALL.txt)

There is a similar pain point when missing the ALSA dev libraries, so we might want to rework the configure script to fail with an error message on Linux unless --disable-alsa is used. Maybe something like:

checking for snd_pcm_info in -lasound... no
configure: ERROR: ALSA development files not found... stopping (See INSTALL.txt)

> On Oct 5, 2018, at 3:50 AM, pd-list-request at lists.iem.at wrote:
> 
> From: Max <abonnements at revolwear.com <mailto:abonnements at revolwear.com>>
> To: pd-list at lists.iem.at <mailto:pd-list at lists.iem.at>
> Subject: Re: [PD] trouble enabling Jack on Ubuntu compile
> Message-ID: <1e8afe88-b1fd-5121-a48c-98163745db2c at revolwear.com <mailto:1e8afe88-b1fd-5121-a48c-98163745db2c at revolwear.com>>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> On 04.10.2018 21:59, IOhannes m zmölnig wrote:
>> On 10/4/18 6:19 PM, Max wrote:
>>> This is a reoccurring issue/confusion, maybe there is a way that the
>>> configure gives a better hint at what's missing? Or abort if
>>> libjack-jack2-dev ist not present when --enable-jack is set (with a
>>> proper error message)?
>> 
>> or put it into the documentation, like INSTALL.txt?
>> oh no, wait, it's already there.
> 
> Ouch!

--------
Dan Wilcox
@danomatika <http://twitter.com/danomatika>
danomatika.com <http://danomatika.com/>
robotcowboy.com <http://robotcowboy.com/>



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