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> 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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