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  1. Qt
  2. QTBUG-108323

qt-cmake.bat configures invalid compiler

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    • 3aa6f0b39 (dev), 58187aa14 (6.6)

    Description

      QTDIR\bin features qt-cmake.bat, which is a convenient alternative to configure your project. Anyhow, for some setups, this won't work:

      qt-cmake.bat -GNinja ..\src
[...]
cmake --build .
[...]
*C:\PROGRA~2\MICROS~2\2019\PROFES~1\VC\Tools\MSVC\1429~1.301\bin\Hostx64\x64\cl.exe  /nologo /TP -DQT_CREATOR -DQT_DISABLE_DEPRECATED_BEFORE=0x050900 -DQT_NO_CAST_TO_ASCII -DQT_NO_JAVA_STYLE_ITERATORS -DQT_RESTRICTED_CAST_FROM_ASCII -DQT_USE_QSTRINGBUILDER -DRELATIVE_DATA_PATH=\"../share/qtcreator\" -DRELATIVE_DOC_PATH=\"../share/doc/qtcreator\" -DRELATIVE_LIBEXEC_PATH=\"\" -DRELATIVE_PLUGIN_PATH=\"../lib/qtcreator/plugins\" -DUNICODE -DYAML_CPP_DLL -D_CRT_SECURE_NO_WARNINGS -D_UNICODE -Dyaml_cpp_EXPORTS -IC:\dev\creator\master\qt-6.4-msvc-2022-amd64\src\plugins\clangtools -IC:\dev\creator\master\qt-creator\src\plugins\clangtools -IC:\dev\creator\master\qt-creator\cmake\..\src\libs\3rdparty\yaml-cpp\include -IC:\dev\creator\master\qt-creator\src\plugins /DWIN32 /D_WINDOWS /GR /EHsc /Zi /Ob0 /Od /RTC1 -MDd /wd4573 /W3 /wd4251 /wd4275 -std:c++17 /showIncludes /Fosrc\plugins\clangtools\CMakeFiles\yaml-cpp.dir\__\__\libs\3rdparty\yaml-cpp\src\binary.cpp.obj /Fdsrc\plugins\clangtools\CMakeFiles\yaml-cpp.dir\ /FS -c C:\dev\creator\master\qt-creator\src\libs\3rdparty\yaml-cpp\src\binary.cpp
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\yvals_core.h(635): fatal error C1189: #error:  STL1001: Unexpected compiler version, expected MSVC 19.32 or newer.

      What happens is that the compiler used to compile does not match the Windows SDK that is configured in the environment. And this is because the compiler path is hardcoded in the Qt installation, qt.toolchain.cmake:

          set(__qt_initial_c_compiler "C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe")
    set(__qt_initial_cxx_compiler "C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe")
    if(NOT DEFINED CMAKE_C_COMPILER AND EXISTS "${__qt_initial_c_compiler}")
        set(CMAKE_C_COMPILER "${__qt_initial_c_compiler}" CACHE STRING "")
    endif()
    if(NOT DEFINED CMAKE_CXX_COMPILER AND EXISTS "${__qt_initial_cxx_compiler}")
        set(CMAKE_CXX_COMPILER "${__qt_initial_cxx_compiler}" CACHE STRING "")
    endif()

      Because on my machine the original compiler exists, it is preferred over the default one in PATH, which would be:

      where cl.exe
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\bin\Hostx64\x64\cl.exe

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          is required for

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTQAINFRA-5340 Windows N Support in CI

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • In Progress
          resulted in

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-120176 [REG 6.6.0 -> 6.6.1] Incorrect compiler detection breaks building with fuzzer-no-link

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-108323
          # Subject Branch Project Status CR V
          479236,9 CMake: Use stored compiler only for qt-cmake-private dev qt/qtbase Status: MERGED +2 0
          512634,2 CMake: Use stored compiler only for qt-cmake-private 6.6 qt/qtbase Status: MERGED +2 0

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              qtbuildsystem Qt Build System Team
              kkohne Kai Köhne
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                Updated:
                Resolved:

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