Re: [Audacity-devel] Building on Linux - WxWidgets and dependencies

[Dave P. <dpl...@gm...>]

On 03/10/2017 23:34, Richard Ash wrote:
> On Mon, 2 Oct 2017 06:24:35 +0200
> Dave Plater <dpl...@gm...> wrote:
> 
>> On 02/10/2017 00:17, Richard Ash wrote:
>>> On Fri, 29 Sep 2017 09:44:14 +0200
>>> Dave Plater <dpl...@gm...> wrote:
>>>    
>>>> Audacity needs wxWidgets 3 built without STL, openSUSE has both
>>>> with and without. AFAIK most other linux distributions build
>>>> without STL.
>>> Yes, I'm sure this is still true and should be mentioned.
>>>
>>> On Fri, 29 Sep 2017 09:46:22 +0200
>>> Dave Plater <dpl...@gm...> wrote:
>>>    
>>>> Another Linux quirk, wxWidgets 3 needs to be built with the same
>>>> gcc version as audacity otherwise there's a runtime widgets
>>>> compatibility error.
>>> This is true of any C++ library though, at least across the recent
>>> ABI change for C++11. It's not as strict as "exact same gcc
>>> version" but depends on how the versions were themselves
>>> configured ... Certainly we should document it, and can't fix it!
>>>
>>> Other than these two, I see no reason not to build against the OS
>>> version of wx - last time I built Audacity (which was a while ago)
>>> it was against the system version without any trouble. The second
>>> problem shouldn't ever hit users, because their distro should
>>> ensure that they have the same compiler (ABI) version installed as
>>> was used to build the library packages!
>>>
>>> Richard
>>>    
>> This is a problem in openSUSE where I maintain audacity due to the
>> current lts Leap:42.x distributions defaulting to gcc4.8 and audacity
>> requiring 4.9. I use gcc5 to build audacity and have to use gcc5 for
>> wxWidgets 3 built without STL.
> Good point - does the readme say anything about required GCC version?
> If not, it should do!
> 
> Richard
> 
Not wxWidgets or Audacity I found out the hard way via a bug at the 
release of Leap:42.3
See: https://bugzilla.novell.com/show_bug.cgi?id=1051717
Dave