Details
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Bug
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Resolution: Fixed
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P3: Somewhat important
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6.10
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None
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Linux/Wayland
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2293fe9de (dev), ecefe63b8 (6.10), 74a05a502 (6.9), dac30f073 (tqtc/lts-6.8)
Description
This concretely resulted in me not being able to compile some examples in webengine with gcc 10 because (I think?) ld from that toolchain was pulling in an incompatible c/c++ runtime.
Configured with:
-developer-build -ccache -linker lld -make tests -make examples -nomake manual-tests -prefix /opt/qt-default -skip-tests qtbase,qtdeclarative,qtimageformats,qtlanguageserver,qtsvg,qtpositioning,qtserialport,qtshadertools,qtwebsockets,qtwebchannel -skip-examples qtbase,qtdeclarative,qtimageformats,qtlanguageserver,qtsvg,qtpositioning,qtserialport,qtshadertools,qtwebsockets,qtwebchannel -submodules qtdeclarative,qtpositioning,qtwebchannel,qtsvg -skip qttools -- -DQT_SHOW_EXTRA_IDE_SOURCES=0 -DCMAKE_C_COMPILER=gcc-10 -DCMAKE_CXX_COMPILER=g++-10
The issue is apparent when examining ninja -t commands output:
[moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/tests | wc -l 4624 [moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/tests | grep 'use-ld' | wc -l 373 [moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/examples | wc -l 3171 [moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/examples | grep 'use-ld' | wc -l 0
As well as some sample link commands:
[moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/examples | tail -1
: && /usr/bin/g++-10 -g -fPIE -pie qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/apptableofcontents_autogen/mocs_compilation.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/main.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/.qt/rcc/qrc_contentdata.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/apptableofcontents_qmltyperegistrations.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/.qt/rcc/qrc_qmake_tableofcontents.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/treeitem.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/treemodel.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/.rcc/qmlcache/apptableofcontents_qmlcache_loader.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/.rcc/qmlcache/apptableofcontents_Main_qml.cpp.o qtdeclarative/examples/quickcontrols/tableofcontents/CMakeFiles/apptableofcontents.dir/.qt/rcc/qrc_apptableofcontents_raw_qml_0.cpp.o -o qtdeclarative/examples/quickcontrols/tableofcontents/apptableofcontents -Wl,-rpath,/home/moss/qt/build-gcc10-chr134-base/qtbase/lib qtbase/lib/libQt6Quick.so.6.10.0 qtbase/lib/libQt6QmlMeta.so.6.10.0 qtbase/lib/libQt6QmlWorkerScript.so.6.10.0 qtbase/lib/libQt6QmlModels.so.6.10.0 qtbase/lib/libQt6Qml.so.6.10.0 qtbase/lib/libQt6Network.so.6.10.0 qtbase/lib/libQt6OpenGL.so.6.10.0 qtbase/lib/libQt6Gui.so.6.10.0 /usr/lib/libGLX.so /usr/lib/libOpenGL.so qtbase/lib/libQt6Core.so.6.10.0 -Wl,-rpath-link,/home/moss/qt/build-gcc10-chr134-base/qtbase/lib && :
[moss@mossbox build-gcc10-chr134-base]$ ninja -t commands | grep qtdeclarative/tests | tail -1
: && /usr/bin/g++-10 -g -Wl,-z,relro,-z,now -fuse-ld=lld -Wl,--gdb-index -Wl,--enable-new-dtags -fPIE -pie qtdeclarative/tests/baseline/controls/CMakeFiles/tst_baseline_controls.dir/tst_baseline_controls_autogen/mocs_compilation.cpp.o qtdeclarative/tests/baseline/controls/CMakeFiles/tst_baseline_controls.dir/__/__/__/__/qtbase/tests/baseline/shared/baselineprotocol.cpp.o qtdeclarative/tests/baseline/controls/CMakeFiles/tst_baseline_controls.dir/__/__/__/__/qtbase/tests/baseline/shared/lookup3.cpp.o qtdeclarative/tests/baseline/controls/CMakeFiles/tst_baseline_controls.dir/__/__/__/__/qtbase/tests/baseline/shared/qbaselinetest.cpp.o qtdeclarative/tests/baseline/controls/CMakeFiles/tst_baseline_controls.dir/tst_baseline_controls.cpp.o -o qtdeclarative/tests/baseline/controls/tst_baseline_controls -Wl,-rpath,/home/moss/qt/build-gcc10-chr134-base/qtbase/lib qtbase/lib/libQt6QuickControls2.so.6.10.0 qtbase/lib/libQt6Test.so.6.10.0 qtbase/lib/libQt6Quick.so.6.10.0 qtbase/lib/libQt6QmlMeta.so.6.10.0 qtbase/lib/libQt6QmlWorkerScript.so.6.10.0 qtbase/lib/libQt6OpenGL.so.6.10.0 qtbase/lib/libQt6Gui.so.6.10.0 /usr/lib/libGLX.so /usr/lib/libOpenGL.so qtbase/lib/libQt6QmlModels.so.6.10.0 qtbase/lib/libQt6Qml.so.6.10.0 qtbase/lib/libQt6Network.so.6.10.0 qtbase/lib/libQt6Core.so.6.10.0 -Wl,-rpath-link,/home/moss/qt/build-gcc10-chr134-base/qtbase/lib && :