[Interest] Build qt 5.14.2 from scratch; enable win32-bluetooth-support

[Colin Worth]

Error is on first compile step:

        cl -c -Fo./ -Fdqmake.pdb  -W2 -nologo -O2 -std:c++17
-Zc:__cplusplus  /MP /wd4577   -Ic:\Qt\Qt5.14.2\qtbase\qmake
-Ic:\Qt\Qt5.14.2\qtbase\qmake\library
-Ic:\Qt\Qt5.14.2\qtbase\qmake\generators
-Ic:\Qt\Qt5.14.2\qtbase\qmake\generators\unix
-Ic:\Qt\Qt5.14.2\qtbase\qmake\generators\win32
-Ic:\Qt\Qt5.14.2\qtbase\qmake\generators\mac
 -Ic:\Qt\Qt5.14.2\qtbase/src/3rdparty/tinycbor/src
 -Ic:\Qt\Qt5.14.2\qtbase/src/3rdparty/pcre2/src  -I../include
-I../include\QtCore -I../include\QtCore\6.0.0
-I../include\QtCore\6.0.0\QtCore  -I..\src\corelib\global
 -Ic:\Qt\Qt5.14.2\qtbase\mkspecs\win32-msvc   -D_CRT_SECURE_NO_WARNINGS
-D_SCL_SECURE_NO_WARNINGS  -DQT_VERSION_STR=\"6.0.0\" -DQT_VERSION_MAJOR=6
-DQT_VERSION_MINOR=0 -DQT_VERSION_PATCH=0  -DQT_BUILD_QMAKE
-DQT_BOOTSTRAPPED -DPROEVALUATOR_FULL  -DQT_NO_FOREACH
-DQT_USE_QSTRINGBUILDER -DUNICODE -D_ENABLE_EXTENDED_ALIGNED_STORAGE
 -DPCRE2_CODE_UNIT_WIDTH=16 -DHAVE_CONFIG_H -DPCRE2_STATIC
-DPCRE2_DISABLE_JIT -c -Yc -Fpqmake_pch.pch -TP
c:\Qt\Qt5.14.2\qtbase\qmake\qmake_pch.h
qmake_pch.h
c:\qt\qt5.14.2\qtbase\include\qtcore\../../src/corelib/tools/qhashfunctions.h(201):
error C3520: 'T': parameter pack must be expanded in this context
jom: C:\Qt\Qt5.14.2\qtbase\qmake\Makefile [qmake_pch.obj] Error 2


On Tue, Sep 15, 2020 at 6:16 AM Colin Worth <jlk2144 at gmail.com> wrote:

> Trying to follow the instructions here:
> https://doc.qt.io/qt-5/windows-building.html to build qt5.14.2 from
> source for windows msvc2017, but running into build errors.
>
> Cloned the sources from git, checked out 5.14.2, and ran perl
> init-repository.
>
> Followed the instructions in Step 3 to create a custom cmd prompt, but got
> an error: missing the cl command.
>
> So instead I started with the x64 native tools command prompt, then added
> the paths from Step 3. Now I figure I should be ready to configure, but
> when I try to configure I get build errors immediately on the first file.:
> qhashfunctions.h(201): error C3520: T: parameter pack must be expanded in
> this context.
>
> Anyone who has compiled from scratch recently, can you help?
>
> Colin
>
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