Make sure you have checked out the correct branch/tag.
Because that is the exact same error I got when compiling the current
dev-branch with MSVC 2017 caused by QHashMultiReturnType which doesn't
exist in Qt 5.
Marcel
On 15.09.2020 15:54, Colin Worth wrote:
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 <jlk2...@gmail.com
<mailto:jlk2...@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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