Details
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Bug
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Resolution: Invalid
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P3: Somewhat important
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None
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5.14.2
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None
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Archlinux + Qt 5.14.2
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Linux/Wayland,
Description
A open source project SDRAngel (https://github.com/f4exb/sdrangel) could build success on `Qt 5.9.5` & `Qt 5.9.9`.
But get compile error on `Qt 5.14.2`. (same code)
// error message:
/usr/include/qt/QtCore/qglobal.h: In instantiation of ‘T qExchange(T&, U&&) [with T = QDebug::Stream*; U = long int]’:
/usr/include/qt/QtCore/qdebug.h:118:77: required from here
/usr/include/qt/QtCore/qglobal.h:1050:7: error: invalid conversion from ‘long int’ to
‘QDebug::Stream*’ [-fpermissive]
1050 | t = std::forward<U>(newValue);
| ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| long int
Find a solution to solve temporary. Edit /usr/include/qt/QtCore/qdebug.h line 118:
QDebug( QDebug &&other ) noexcept : stream{qExchange(other.stream, nullptr)}{}
To
QDebug( QDebug &&other ) noexcept : stream{qExchange(other.stream, (QDebug::Stream*)(nullptr))}{}
issue disccuss link
temporary solution link