Re: [Texmacs-dev] Building TeXmacs for macos

[Massimiliano Gubinelli]

Dear Kostas,
 as far as I understand the problems of Pierre-Henri is at buildtime, not 
runtime. It seems to me they are different. Anyway it would be better to move 
the discussion to texmacs-dev.

Max

> On 14. Nov 2020, at 15:29, Kostas Oikonomou <k.oikonomou@att.net> wrote:
> 
> Just to add to the Qt5 discussion (confusion?), as I wrote a few days 
> earlier, this is what happens with FreeBSD.
> There are no problems compiling with Qt5, but
> 
>> Can someone say with which version of Qt5 is TeXmacs 1.99.14 (or 1.99.13, 
>> for that matter) supposed to work?
>> 
>> I have Qt 5.15 on FreeBSD, and both 1.99.13 and 1.99.14 segfault when I try 
>> to use *any* plugin (except Scheme).
>> GDB shows that the problem has to do with libQt5Core, more specifically with 
>> the use of Qt pipes. This problem did not occur with Qt 5.14.
>> 
>>                     Kostas 
> 
> and then
> 
>> In any case, I downgraded Qt to 5.14, recompiled, and now plugins work in 
>> 1.99.14.
>> 
>> So something seems to have changed in Qt 5.15 with respect to pipes, at 
>> least for FreeBSD.
>> 
>>                 Kostas 
> 
> On 11/14/20 9:07 AM, Massimiliano Gubinelli wrote:
>> I can add that building with Qt5 works fine in my machine and as far as I 
>> know also for Joris and Denis (always on Mac). So there should be something 
>> different going on on your specific setup.
>> 
>>> On 14. Nov 2020, at 15:04, Massimiliano Gubinelli <m.gubinelli@gmail.com> 
>>> wrote:
>>> 
>>> The -isysroot option should come from Qt, gathered by configure from the 
>>> qmake output. Probably Qt5 was build with 10.11 sdk. I'm not sure. However 
>>> independently of what is your running OS I was meaning that the headers of 
>>> Big Sur should have changed, because there is no such problems with SDKs 
>>> from previous systems (e.g. Catilina).
>>> 
>>> To investigate the issue you can use a very simple Qt application and try 
>>> to build it with qmake to see which headers are used. As I said, the error 
>>> messages you get seems to come from changes in the headers which cause 
>>> symbol clashes in TeXmacs. We had this kind of issues before due to the 
>>> fact that various libraries might have incompatible #define
>>> 
>>> 
>>> Max
>>> 
>>>> On 14. Nov 2020, at 14:45, Pierre-Henri Jondot <phjondot@gmail.com> wrote:
>>>> 
>>>> Again : I am still running catalina too… but it seems that the configure 
>>>> step when building with qt 5 had problems… configure chose to build with 
>>>> 10.11 sdk (with -isysroot directive) by default which fails. It is 
>>>> possible to build with qt 5, but for that to succeed, I had to change 
>>>> quite a few paths in makefile.
>>>> 
>>>> I haven’t explored Darcy Shen suggestion to use CMake instead yet, but it 
>>>> might be another way out.
>>>> 
>>>> Regards,
>>>> 
>>>> Pierre-Henri
>>>> 
>>>>> Le 14 nov. 2020 à 14:31, Massimiliano Gubinelli <m.gubinelli@gmail.com> a 
>>>>> écrit :
>>>>> 
>>>>> I might add that on Catilina (MacOS 10.15) TeXMacs compile fine with Qt 5 
>>>>> (e.g. 5.9 or 5.15). Maybe something is changed in Big Sur (MacOS 11) at 
>>>>> the level of the include files and this makes compilation fails. For the 
>>>>> moment I do not want to update my machine so I cannot indagate further.
>>>>> 
>>>>> Max
>>>>> 
>>>>> 
>>>>>> On 14. Nov 2020, at 13:28, Pierre-Henri Jondot <phjondot@gmail.com> 
>>>>>> wrote:
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> We exchanged a few mails with Max, and the conclusion is that the 
>>>>>> problems I had were the result of trying to build TeXmacs with qt5, 
>>>>>> which is possible it seems, although not yet supported and a bit of a 
>>>>>> pain, as it seems to really confuse the configure step. I think the 
>>>>>> instructions on the website regarding compiling TeXmacs from the sources 
>>>>>> should be edited to advice compiling with Qt4 and not Qt5. (No version 
>>>>>> is suggested there, which led me to believe the current version of Qt 
>>>>>> was the expected one, or at least as good as the previous one…)
>>>>>> 
>>>>>> Regards,
>>>>>> 
>>>>>> Pierre-Henri
>>>>>> 
>>>>>>> Le 14 nov. 2020 à 09:03, Massimiliano Gubinelli <m.gubinelli@gmail.com> 
>>>>>>> a écrit :
>>>>>>> 
>>>>>>> That is strange. Building on mac is usually ok for me, with homebrew 
>>>>>>> for example. Which Qt do you use? Can you post the compilation 
>>>>>>> invocation for mac_app.mm? (some few lines before the error message)
>>>>>>> 
>>>>>>> Max
>