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  1. Qt
  2. QTBUG-137587

qtdeclarative: do_compile failed when building with high parallelism.

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      1. setup poky env

      bitbake-layer add-layers ../meta-qt6
bitbake-layer add-layers ../meta-clang

      2. update local.conf with build examples

      MACHINE ??= "qemux86-64"
PACKAGECONFIG:append:pn-qtdeclarative = " examples"
IMAGE_INSTALL:append = " qtdeclarative-examples"
DISTRO_FEATURES:append = " x11"
DISTRO ?= "poky"

      3. build by command bitbake

      bitbake qtdeclarative

      4. do_compile failure

      temp/log.do_compile.3917529
420:/buildarea6/pzha1-cn/poky-prj/master/build-qt-dev-1/tmp/work/core2-64-poky-linux/qtdeclarative/6.10.0/build/examples/quick/views/shared/views_shared_sharedPlugin.cpp:14:1: error: Parse error at "IID"
449:/buildarea6/pzha1-cn/poky-prj/master/build-qt-dev-1/tmp/work/core2-64-poky-linux/qtdeclarative/6.10.0/build/examples/quick/text/shared/text_shared_sharedPlugin.cpp:14:1: error: Parse error at "IID"
500:/buildarea6/pzha1-cn/poky-prj/master/build-qt-dev-1/tmp/work/core2-64-poky-linux/qtdeclarative/6.10.0/build/examples/quick/animation/shared/animation_shared_sharedPlugin.cpp:14:1: error: Parse error at "IID"
529:/buildarea6/pzha1-cn/poky-prj/master/build-qt-dev-1/tmp/work/core2-64-poky-linux/qtdeclarative/6.10.0/build/examples/quick/draganddrop/shared/draganddrop_shared_sharedPlugin.cpp:14:1: error: Parse error at "IID"
558:/buildarea6/pzha1-cn/poky-prj/master/build-qt-dev-1/tmp/work/core2-64-poky-linux/qtdeclarative/6.10.0/build/examples/quick/window/shared/window_shared_sharedPlugin.cpp:14:1: error: Parse error at "IID"
......

      However, when the build is run with a lower level of parallelism, it succeeds. My server with 128 CPUs and 512G memory.

      PARALLEL_MAKE="-j 32" bitbake qtdeclarative

      The issue was identified on my side starting from the following commit: https://code.qt.io/cgit/yocto/meta-qt6.git/commit/?id=261403fd46b4bdaed29b2bad4126c5e97cac87c0

       

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-133725 qml_tool_autogen target loses almost all dependencies on other autogen and sync_headers targets

          • 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; Flaky tests; 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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-134274 QML LocationPermission is not a type

          • 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; Flaky tests; 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-137587
          # Subject Branch Project Status CR V
          656823,1 CMake: Move qt_internal_work_around_autogen_discarded_dependencies dev qt/qtbase Status: NEW +2 0
          656824,1 CMake: Work around AUTOGEN discarded dependencies for in-tree examples dev qt/qtbase Status: NEW +2 +1

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              qtbuildsystem Qt Build System Team
              pengzh Peng Zhang
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                Created:
                Updated: