[CentOS] Learning to build applications

On 12/09/2020 09:48 PM, H wrote:
> On 12/09/2020 09:43 PM, H wrote:
>> On 11/18/2020 11:19 PM, Gordon Messmer wrote:
>>> On 11/18/20 4:38 PM, H wrote:
>>>> I am a beginner when it comes to compiling applications and would appreciate suggestion how to fix the above. Thank you.
>>> Looks like a build failure that was mentioned here:
>>> https://github.com/pgmodeler/pgmodeler/issues/1259
>>>
>>> I believe this reply is relevant:
>>> "It's not yet documented but you have to use the latest Qt version 5.11 or 5.12 and have C++14 enabled on your compiler. Make sure to use at least gcc 5.0 to get full support to C++14."
>>>
>>> I believe CentOS 7 includes Qt 5.9, so I wouldn't expect this application to build, there.
>>>
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>> Hi, I am back looking at this again and you are right. I had installed qt-qtsvg-devel-5.9.7 on my CentOS 7 system and per pkgs.org it seems that is the last version available as a download for CentOS 7. CentOS 8, on the other hand, seems to have 5.12.
>>
>> I just found https://doc.qt.io/qt-5/supported-platforms.html and it suggests that Qt 5.15 can be compiled for RHEL 7.6 using gcc 5.3.1 via devtoolset-4.
>>
>> Perhaps someone on this mailing list has been successful in compiling Qt 5.11 or later for CentOS 7.x?
>>
> Just tried to download devtoolset-4 from SCL but it failed. Found by experimenting that devtoolset-7 through -10 are available.
>
> I am installing the latter in the hope that it will be the latest and the bestest...
>
Sorry, meant that devtoolset-9 is the latest, not -10, so I installed the former.