[Qt-creator] how can i use clang-cl with qt creator under Windows?

[Markus Maier]

>> QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS

Wrong line, sorry. I meant the following lines in qmake.conf of
win32-clang-msvc:
QMAKE_CC                = clang-cl
QMAKE_CXX               = $$QMAKE_CC


2018-03-08 8:39 GMT+01:00 Markus Maier <markus.maier.sw at gmail.com>:

> Hi,
>
> I can compile a project which also contains C files when setting "no
> compiler" for the C compiler and selecting "LLVM ..." for C++.
> The point here is that the win32-clang-msvc mkspec contains the following
> line:
> QMAKE_CXXFLAGS          = $$QMAKE_CFLAGS
> ... which as far as I understand means that the C++ compiler is also used
> for C files.
>
> However there is the following bug in Qt Creator (which also describes how
> to set up clang-cl quite well):
> https://bugreports.qt.io/browse/QTCREATORBUG-19255
> ... which means that you'll have to re-configure the C++ compiler with
> every restart of Qt Creator.
>
> Best regards
> Markus Maier
>
>
> 2018-03-08 8:01 GMT+01:00 Dennis Luehring <dl.soluz at gmx.net>:
>
>> Am 08.03.2018 um 07:22 schrieb Eike Ziller:
>>
>> >>Check if the qmake step in your build configuration includes “-spec
>> win32-clang-msvc”.
>> >>If not, then set “win32-clang-msvc” in the “Qt mkspec” >setting for
>> your kit and try again.
>> >>I suppose Qt Creator might not do that automatically in your case.
>>
>> is that "Qt mkspec" also working with Qbs?
>>
>> >>Qt 5.6 doesn’t have a mkspec for clang-cl, so you need to either create
>> >>one yourself, copy one from somewhere else (they are usually not
>> >>self-contained though), or use a Qt version which has one.
>>
>> so i think it would be better using Qt5.8 for the first tests and try to
>> get back to 5.6 later
>>
>> what about the C compiler detection problems?
>>
>> (as i wrote) i've installed the current svn version of clang-cl from the
>> LLVM homepage
>> and my QtCreator 4.4.1 detected this C++ compiler:
>>
>> LLVM 64bit based on MSVC2015 | Clang
>> Initalization: ...\vcvarsall.bat amd64
>> LLVM: C:\Program Files\LLVM
>>
>> but no C compiler
>>
>> should i upgrade to QtCreator 4.5 or later, or is the missing C compiler
>> handler by the “win32-clang-msvc” spec?
>>
>>
>>
>>
>>
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>>
>
>
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