[Interest] Errors while building Qt 6 on Windows

[Daljit Singh]

Hi all,
I’m trying to build Qt 6 on Windows 11, but I’m getting some errors when I run ./configure that I can’t understand the cause of.
I used the following instructions:


 git clone git://code.qt.io/qt/qt5.git qt

 git checkout dev

 perl ./init-repository --module-subset=qtbase,qtshadertools,qtdeclarative

However, when I run ./configure I get these errors:


CMake Error at qtbase/cmake/QtExecutableHelpers.cmake:466 (message):

  Unable to build syncqt: Change Dir:

  C:/Qt/6.5.0/qt6_source/qt/qtbase/src/tools/syncqt/configure_time_bins







  Run Build Command(s):C:/Qt/Tools/Ninja/ninja.exe && [1/1] Linking CXX

  executable C:\Qt\6.5.0\qt6_source\qt\qtbase\bin\syncqt.exe



  FAILED: C:/Qt/6.5.0/qt6_source/qt/qtbase/bin/syncqt.exe



  cmd.exe /C "cd .  && C:\Strawberry\c\bin\c++.exe -O2 -g -DNDEBUG

  CMakeFiles/syncqt.dir/main.cpp.obj -o

  C:\Qt\6.5.0\qt6_source\qt\qtbase\bin\syncqt.exe

  -Wl,--out-implib,libsyncqt.dll.a

  -Wl,--major-image-version,0,--minor-image-version,0 -lkernel32 -luser32

  -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32

  -ladvapi32 && cd ."





  C:/Strawberry/c/bin/../lib/gcc/x86_64-w64-mingw32/8.3.0/../../../../x86_64-w64-mingw32/bin/ld.exe:

  CMakeFiles/syncqt.dir/main.cpp.obj: in function

  `std::filesystem::__cxx11::operator==(std::filesystem::__cxx11::path

  const&, std::filesystem::__cxx11::path const&)':





  C:/Strawberry/c/lib/gcc/x86_64-w64-mingw32/8.3.0/include/c++/bits/fs_path.h:514:

  undefined reference to

  `std::filesystem::__cxx11::path::compare(std::filesystem::__cxx11::path

  const&) const'

The full log can seen here https://pastebin.com/8jZ4pA3E

Does anyone have any clue on what might be the problem?

Best,
Daljit
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