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  1. Qt
  2. QTBUG-88039

cmake: Could NOT find WrapLibClang for multiple configurations

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      when I build Qt 6.0 for multiple configurations, for example, debug and release. WrapLibClang could not be found.

      cmake -DCMAKE_INSTALL_PREFIX=D:\Qt\6.0.0-beta2-msvc2019-x64-shared -G"Ninja Multi-Config" -DCMAKE_CONFIGURATION_TYPES=Release;Debug -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF -DINPUT_opengl=desktop -DINPUT_schannel=yes "..\qt-everywhere-src-6.0.0-beta2"

      output:

      ......
-- Building for multiple configurations: Release;Debug.
-- Main configuration is: Release.
-- Static linkage against libclang with MSVC was requested, but the build is not a release build, therefore libclang cannot be used.
-- Could NOT find WrapLibClang (missing: WrapLibClang_FOUND) (found suitable version "10.0.0", minimum required is "8")
-- Using source syncqt found at: D:/Qt/src/qt-everywhere-src-6.0.0-beta2/qtbase/bin/syncqt.pl
-- Running syncqt for module: 'QtTools'
-- Static linkage against libclang with MSVC was requested, but the build is not a release build, therefore libclang cannot be used.
-- Could NOT find WrapLibClang (missing: WrapLibClang_FOUND) (found suitable version "10.0.0", minimum required is "8")
......

      However, when I only build release, there is no such problem.

      cmake -DCMAKE_INSTALL_PREFIX=D:\Qt\6.0.0-beta2-msvc2019-x64-shared -GNinja -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=OFF -DBUILD_EXAMPLES=OFF -DINPUT_opengl=desktop -DINPUT_schannel=yes "..\qt-everywhere-src-6.0.0-beta2"

      output:

      ......
-- Found WrapLibClang: TRUE (found suitable version "10.0.0", minimum required is "8")
-- Using source syncqt found at: D:/Qt/src/qt-everywhere-src-6.0.0-beta2/qtbase/bin/syncqt.pl
-- Running syncqt for module: 'QtTools'
......

       

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-85411 lupdate fails to build with NMC on Windows due to mixing MSVC runtimes via LLVM libraries

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          For Gerrit Dashboard: QTBUG-88039
          # Subject Branch Project Status CR V
          320092,2 CMake: Fix FindWrapLibClang.cmake for multi-config builds dev qt/qttools Status: MERGED +2 0

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              jbornema Joerg Bornemann
              lixinwei Li Xinwei
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