[Development] Requiring minimum GCC 7/MinGW (was: Dropping MinGW support in Qt 6 (Was: HEADS-UP: QStringLiteral))
thiago.macieira at intel.com
Fri Aug 23 17:09:45 CEST 2019
On Friday, 23 August 2019 00:12:50 PDT Roland Winklmeier wrote:
> Just for your awareness: There is an old bug related to thread_local in
> MinGW which afaik was never fixed. It compiles correctly, but every
> executable crashes during shutdown. Not sure if this relevant in this case,
> just mentioning it:
The description of the bug says "winpthreads", which means it's not MinGW,
libgcc on pure MinGW doesn't use winpthreads, it uses Win32.
Anyway, let's apply Q_THREAD_LOCAL. If that causes GCC-built MinGW
applications to crash on exit, then we stop using GCC and switch to Clang.
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel System Software Products
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