[Interest] Fail to compile qt4 on Ubuntu 20.04.

[Lisandro Damián Nicanor Pérez Meyer]

Or grab the packaging from Ubuntu and compile it from there, it has
all the quirks resolved.

On Mon, 18 May 2020 at 03:21, Vlad Stelmahovsky
<vladstelmahovsky at gmail.com> wrote:
>
> Hello
>
> check your gcc version
> you cannot build Qt 4.xx with gcc > 5.0, afaik
>
> br,
> vlad
>
> On Mon, May 18, 2020 at 1:35 AM Hongyi Zhao <hongyi.zhao at gmail.com> wrote:
>>
>> Hi,
>>
>> Ubuntu 20.04 dropped the qt4 from its official repo, but sometimes I
>> still want to use it.  So I try to compile it from the source but
>> failed.  See the info below:
>>
>> $ wget https://download.qt.io/archive/qt/4.8/4.8.7/qt-everywhere-opensource-src-4.8.7.tar.gz
>> $ tar -zxvf qt-everywhere-opensource-src-4.8.7.tar.gz
>> $ cd qt-everywhere-opensource-src-4.8.7
>> $ ./configure
>>
>> # The following step failed for Ubuntu 20.04:
>> $ make -j4
>> ../../include/QtCore/../../src/corelib/tools/qpair.h:62:20: note:
>> because ‘QPair<int, int>’ has user-provided ‘QPair<T1, T2>& QPair<T1,
>> T2>::operator=(const QPair<T1, T2>&) [with T1 = int; T2 = int]’
>>    62 |     QPair<T1, T2> &operator=(const QPair<T1, T2> &other)
>>       |                    ^~~~~~~~
>> make[1]: *** [Makefile:18175: .obj/release-shared/qsslsocket_openssl.o] Error 1
>> make[1]: Leaving directory
>> '/home/werner/Downloads/qt-everywhere-opensource-src-4.8.7/src/network'
>> make: *** [Makefile:278: sub-network-make_default-ordered] Error 2
>>
>> Any hints for this problem?
>>
>> Regards,
>> --
>> Hongyi Zhao <hongyi.zhao at gmail.com>
>> _______________________________________________
>> Interest mailing list
>> Interest at qt-project.org
>> https://lists.qt-project.org/listinfo/interest
>
>
>
> --
> Best regards,
> Vlad
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-- 
Lisandro Damián Nicanor Pérez Meyer
http://perezmeyer.com.ar/
http://perezmeyer.blogspot.com/