As the spice stuff requires build time options would this not be
better as a normal dynamic linked library? I think that
dlopen/wxDynamicLibrary should really only be used for plugins.

I have updated my kicad-app.sh to download nad build the ngspice
revision but am running into issues with the bundling stage due to the
dlopen usage as its not technically a dependency.

If we don't convert to using a real dynamic dependency then code will
need to be added to cmake to 'install' the libs into the bundle and
also to put it into the path. But i also see no reason that its built
depending on dlopen, unless all the simulator code was made into a
plugin.

thanks

Simon

On Tue, Aug 9, 2016 at 2:09 AM, Simon Wells <swel...@gmail.com> wrote:
> Excuse my ignorance but would that not require rpath on osx? as
> currently i believe (for bundled libs anyways) that the path is
> hardcoded for them. And for the system libs i believe its also
> hardcoded as they are currently only system libs due to the bundle
> utilities cmake script bundling everything else
>
> Simon
>
> On Tue, Aug 9, 2016 at 1:43 AM, Maciej Sumiński <maciej.sumin...@cern.ch> 
> wrote:
>> Hi Bernhard,
>>
>> The case is similar to other libraries, so KiCad will work with any
>> ngspice dll available in the system. The problem is, there is a bug in
>> the current ngspice release that may cause the simulator to hang up in
>> certain situations. As currently libngspice is not provided anywhere
>> (but Arch Linux), we need to build it ourselves and it is better to pick
>> a newer version that has the bug fixed.
>>
>> Regards,
>> Orson
>>
>> On 08/08/2016 03:35 PM, Bernhard Stegmaier wrote:
>>> Question for me is if a certain ngspice should be bundled with KiCad,
>>> or if KiCad just uses some ngspice that maybe is floating around on
>>> the machine.
>>>
>>> The realdynamic loading of the library somehow suggest the latter,
>>> but I don't know how it is intended to be (if it was not intended like
>>> this, simply linking dynamically would have been enough?).
>>>
>>> If it should be bundled, it more or less doesn't matter how the lib is
>>> built (at least for those not building on their own)
>>>
>>>
>>> Regards,
>>> Bernhard
>>>
>>> On 08.08.2016 14:41, Adam Wolf wrote:
>>>> It would be nice if upstream supports it.  On the other hand, I'm
>>>> going to use it for my nightlies server regardless of what upstream
>>>> says...
>>>>
>>>> Thanks for your work and keep us posted as to how it goes!
>>>>
>>>> Adam Wolf
>>>>
>>>> On Mon, Aug 8, 2016 at 3:17 AM, Johannes Maibaum <jmaib...@gmail.com>
>>>> wrote:
>>>>
>>>>> Ok, I got that point with the patch wrong then, sorry.
>>>>>
>>>>> Well, I think that Homebrew usually does accept *-git or *-devel
>>>>> formulas (or how they call them), but it seems that as long as the
>>>>> ngspice devs are not willing to change their build system behaviour
>>>>> it won’t get merged anyhow.
>>>>>
>>>>> But, I have just asked the Homebrew devs if they think that a
>>>>> separate „libngspice“ formula that just builds the library would
>>>>> be OK for them.  Let’s see what comes out of this…
>>>>>
>>>>> Best,
>>>>> Johannes
>>>>>
>>>>>> Am 08.08.2016 um 10:03 schrieb Maciej Sumiński
>>>>> <maciej.sumin...@cern.ch>:
>>>>>>
>>>>>> Hi Johannes,
>>>>>>
>>>>>> Fortunately we do not need any KiCad-specific patches for ngspice,
>>>>> but
>>>>>> just a newer revision from the master repository. The only problem
>>>>> now
>>>>>> is the required revision is not available in the current ngspice
>>>>>> release, so anyway we are forced to build the library from source.
>>>>> On
>>>>>> the other hand, we need to do so, as the library is not provided
>>>>> by
>>>>>> default anywhere (almost), so there is no easier solution at the
>>>>> moment.
>>>>>>
>>>>>> Perhaps msys2 would accept another package (ngspice-git) that
>>>>> builds
>>>>>> using the official repository, but still we need the script for
>>>>> other
>>>>>> platforms.
>>>>>>
>>>>>> Regards,
>>>>>> Orson
>>>>>>
>>>>>> On 08/08/2016 09:39 AM, Johannes Maibaum wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> just FYI, the Homebrew devs decided not to merge my PR for shared
>>>>> library support of ngspice.
>>>>>>>
>>>>>>> They say it’s a bug that should be fixed upstream, as the build
>>>>> system that ngspice uses should be able to handle the case of
>>>>> building the shared library and the executable in one go.  So they
>>>>> consider the „fix“ that Arch Linux (and MSYS2 as well by now?)
>>>>> of building two times in a row a „hack“ that is not acceptable
>>>>> for them.
>>>>>>>
>>>>>>> The ngspice devs say that it’s not a bug and that they won’t
>>>>> fix it, so everything will stay as before.
>>>>>>>
>>>>>>> But, if I understand Orson right, as the integration now needs at
>>>>> least one patch not included in the ngspice stable release, I think
>>>>> that now it is better to use his build script than continue to
>>>>> fiddle with the Homebrew formula.
>>>>>>>
>>>>>>>
>>>>>>> Best,
>>>>>>> Johannes
>>>>>>>
>>>>>>>> Am 01.08.2016 um 16:01 schrieb Adam Wolf
>>>>> <adamw...@feelslikeburning.com>:
>>>>>>>>
>>>>>>>> I'll make sure it works on the build server regardless of what
>>>>> homebrew does :)
>>>>>>>>
>>>>>>>> On Mon, Aug 1, 2016 at 8:29 AM, Maciej Sumiński
>>>>> <maciej.sumin...@cern.ch> wrote:
>>>>>>>> Hi Johannes,
>>>>>>>>
>>>>>>>> Cool! I am really grateful for your fixes - they are already
>>>>> merged and
>>>>>>>> I am going test them with Linux and Windows. I really hope
>>>>> homebrew
>>>>>>>> developers will accept your formula soon, as it would make
>>>>> getting
>>>>>>>> ngspice library so much simpler.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Orson
>>>>>>>>
>>>>>>>> On 08/01/2016 12:40 PM, Johannes Maibaum wrote:
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> Bernhard’s hint gave me a working wx installation again, and
>>>>> I now got the
>>>>>>>>> simulator running on OSX (see attached screenshot). Yay!
>>>>>>>>>
>>>>>>>>> I did some initial clicking around in the GUI after loading the
>>>>> rectifier
>>>>>>>>> example and so far it seems that all functionality is there and
>>>>> does work as
>>>>>>>>> intended.
>>>>>>>>>
>>>>>>>>> And it seems that I was guessing right, the wxCursor
>>>>> construction process needs
>>>>>>>>> the same codepath on OSX as on MSW.  Both the “probe” and
>>>>> the “tune” cursors
>>>>>>>>> work here (unfortunately not visible in the screenshot).
>>>>>>>>>
>>>>>>>>> Here’s a final wrap-up so far:
>>>>>>>>>
>>>>>>>>> - The patch I sent to the list yesterday for Adam contains all
>>>>> the needed
>>>>>>>>> changes to get Tom’s ngspice branch to work on OSX (except
>>>>> for possible bugs I
>>>>>>>>> did not yet encounter).  I created a pull-request on Github for
>>>>> Tom to merge. [1]
>>>>>>>>>
>>>>>>>>> - libngspice needs to be compiled and installed manually to one
>>>>> of the usual
>>>>>>>>> library locations at the moment.  As it seems that this is the
>>>>> same on Windows
>>>>>>>>> and Linux for now, I did no further investigations how to
>>>>> modify the CMAKE
>>>>>>>>> scripts to bundle and link libngspice into the app bundle (as
>>>>> I’m no expert with
>>>>>>>>> build systems).  I have a hacky but working patch to
>>>>> Homebrew’s ngspice formula
>>>>>>>>> that builds the shared library, which got not yet merged into
>>>>> homebrew-core [2].
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Best,
>>>>>>>>> Johannes
>>>>>>>>>
>>>>>>>>> [1] https://github.com/twlostow/kicad-dev/pull/2 [1]
>>>>>>>>> [2] https://github.com/Homebrew/homebrew-core/pull/3367 [2]
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Am 31.07.2016 um 23:13 schrieb Johannes Maibaum
>>>>> <jmaib...@gmail.com
>>>>>>>>>> <mailto:jmaib...@gmail.com>>:
>>>>>>>>>>
>>>>>>>>>>> Am 31.07.2016 um 23:02 schrieb Adam Wolf
>>>>> <adamw...@feelslikeburning.com
>>>>>>>>>>> <mailto:adamw...@feelslikeburning.com>>:
>>>>>>>>>>>
>>>>>>>>>>> Thanks!  This is good work! I'll start working with it on my
>>>>> test machine,
>>>>>>>>>>> and it will be first in line after the cvpcb crash in the
>>>>> nightlies (which is
>>>>>>>>>>> first in line after 4.0.3) :)
>>>>>>>>>>>
>>>>>>>>>>> Adam Wolf
>>>>>>>>>>
>>>>>>>>>> Thanks a lot, Adam!
>>>>>>>>>>
>>>>>>>>>> As Bernhard has just pointed me towards the wx patch I
>>>>> obviously missed to
>>>>>>>>>> include in my build, I might be able to test my own patch on
>>>>> my machine later
>>>>>>>>>> tomorrow.  I will report back here how it turns out.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Best,
>>>>>>>>>> Johannes
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
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>>>>>>>>> Unsubscribe : https://launchpad.net/~kicad-developers [3]
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>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>
>>>>
>>>> Links:
>>>> ------
>>>> [1] https://github.com/twlostow/kicad-dev/pull/2
>>>> [2] https://github.com/Homebrew/homebrew-core/pull/3367
>>>> [3] https://launchpad.net/~kicad-developers
>>>> [4] https://help.launchpad.net/ListHelp
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