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  4. Yocto Boot2Qt 6.8.0 SDK fails to build -- error on meta-qt6/recipes-qt/qt6/gn-native_git.bb:do_compile
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Yocto Boot2Qt 6.8.0 SDK fails to build -- error on meta-qt6/recipes-qt/qt6/gn-native_git.bb:do_compile

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  • N Offline
    N Offline
    Nobuddy
    wrote on last edited by
    #1

    Seeing as nobody has any practical advice for my previous post on this matter, I decided to give Yocto another shot.

    I'm trying to build a Qt SDK that will run on Windows and compile for aarch64-linux-gnu (Raspberry Pi 4). So far I have successfully cross-compiled the Qt Target runtime 6.8.0 and confirmed it works on the Pi. I am now trying -- yet again -- to build the SDK for Windows.

    I am following the instructions on the Qt website. I have installed repo, initialized the repository with manifest v6.8.0.xml and I have invoked the command SDKMACHINE=x86_64-mingw32 bitbake meta-toolchain-b2qt-embedded-qt6-sdk.

    Two hours into the build, Yocto stops with an error:

    Summary: 1 task failed:
  /home/aaron/yocto/sources/meta-qt6/recipes-qt/qt6/gn-native_git.bb:do_compile

    It fails due to a compiler flag -Werror and a bunch of warnings. Has anyone tried to build this? Can someone advise how I may correct this so I can proceed?

    The output is as follows:

    ERROR: gn-native-6.8.0-r0 do_compile: ExecutionError('/home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/temp/run.do_compile.2530635', 1, None, None)
ERROR: Logfile of failure stored in: /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/temp/log.do_compile.2530635
Log data follows:
| DEBUG: Executing shell function do_compile
| NOTE: VERBOSE=1 cmake --build /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/build --target gn --
| Change Dir: '/home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/build'
| 
| Run Build Command(s): ninja -v -j 20 gn
| [1/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/swift_variables.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/swift_variables.cc -o src/gn/swift_variables.o
| [2/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/token.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/token.cc -o src/gn/token.o
| [3/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/switches.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/switches.cc -o src/gn/switches.o
| [4/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/variables.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/variables.cc -o src/gn/variables.o
| [5/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/version.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/version.cc -o src/gn/version.o
| [6/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/atomic_write.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/atomic_write.cc -o src/util/atomic_write.o
| [7/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/visual_studio_utils.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/visual_studio_utils.cc -o src/gn/visual_studio_utils.o
| [8/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/tokenizer.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/tokenizer.cc -o src/gn/tokenizer.o
| [9/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/swift_values_generator.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/swift_values_generator.cc -o src/gn/swift_values_generator.o
| [10/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/swift_values.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/swift_values.cc -o src/gn/swift_values.o
| [11/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/xml_element_writer.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/xml_element_writer.cc -o src/gn/xml_element_writer.o
| [12/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/exe_path.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/exe_path.cc -o src/util/exe_path.o
| [13/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/semaphore.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/semaphore.cc -o src/util/semaphore.o
| [14/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/ticks.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/ticks.cc -o src/util/ticks.o
| [15/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/sys_info.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/sys_info.cc -o src/util/sys_info.o
| [16/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/visibility.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/visibility.cc -o src/gn/visibility.o
| [17/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/template.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/template.cc -o src/gn/template.o
| [18/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/msg_loop.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/msg_loop.cc -o src/util/msg_loop.o
| [19/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/toolchain.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/toolchain.cc -o src/gn/toolchain.o
| [20/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/value.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/value.cc -o src/gn/value.o
| [21/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/tool.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/tool.cc -o src/gn/tool.o
| [22/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/value_extractors.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/value_extractors.cc -o src/gn/value_extractors.o
| [23/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/trace.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/trace.cc -o src/gn/trace.o
| [24/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/target_generator.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/target_generator.cc -o src/gn/target_generator.o
| [25/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/util/worker_pool.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/util/worker_pool.cc -o src/util/worker_pool.o
| [26/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/gn_main.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/gn_main.cc -o src/gn/gn_main.o
| [27/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/operators.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/operators.cc -o src/gn/operators.o
| FAILED: src/gn/operators.o
| /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/operators.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/operators.cc -o src/gn/operators.o
| In file included from /usr/include/c++/12/string:40,
|                  from ../git/src/3rdparty/gn/src/base/strings/string_number_conversions.h:11,
|                  from ../git/src/3rdparty/gn/src/gn/operators.cc:10:
| In static member function ‘static constexpr void std::char_traits<char>::assign(char_type&, const char_type&)’,
|     inlined from ‘static constexpr void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_S_copy(_CharT*, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:421:23,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_replace(size_type, size_type, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.tcc:532:22,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::assign(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:1647:19,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator=(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:815:28,
|     inlined from ‘Err {anonymous}::MakeOverwriteError(const BinaryOpNode*, const Value&)’ at ../git/src/3rdparty/gn/src/gn/operators.cc:202:17:
| /usr/include/c++/12/bits/char_traits.h:354:16: error: ‘((const std::char_traits<char>::char_type*)((char*)&empty_def + offsetof(std::__cxx11::string, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::<unnamed>)))[2]’ may be used uninitialized [-Werror=maybe-uninitialized]
|   354 |         __c1 = __c2;
|       |                ^~~~
| ../git/src/3rdparty/gn/src/gn/operators.cc: In function ‘Err {anonymous}::MakeOverwriteError(const BinaryOpNode*, const Value&)’:
| ../git/src/3rdparty/gn/src/gn/operators.cc:198:15: note: ‘empty_def’ declared here
|   198 |   std::string empty_def;
|       |               ^~~~~~~~~
| In static member function ‘static constexpr void std::char_traits<char>::assign(char_type&, const char_type&)’,
|     inlined from ‘static constexpr void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_S_copy(_CharT*, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:421:23,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_replace(size_type, size_type, const _CharT*, size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.tcc:532:22,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::assign(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:1647:19,
|     inlined from ‘constexpr std::__cxx11::basic_string<_CharT, _Traits, _Alloc>& std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator=(const _CharT*) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]’ at /usr/include/c++/12/bits/basic_string.h:815:28,
|     inlined from ‘Err {anonymous}::MakeOverwriteError(const BinaryOpNode*, const Value&)’ at ../git/src/3rdparty/gn/src/gn/operators.cc:205:17:
| /usr/include/c++/12/bits/char_traits.h:354:16: error: ‘((const std::char_traits<char>::char_type*)((char*)&empty_def + offsetof(std::__cxx11::string, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::<unnamed>)))[2]’ may be used uninitialized [-Werror=maybe-uninitialized]
|   354 |         __c1 = __c2;
|       |                ^~~~
| ../git/src/3rdparty/gn/src/gn/operators.cc: In function ‘Err {anonymous}::MakeOverwriteError(const BinaryOpNode*, const Value&)’:
| ../git/src/3rdparty/gn/src/gn/operators.cc:198:15: note: ‘empty_def’ declared here
|   198 |   std::string empty_def;
|       |               ^~~~~~~~~
| cc1plus: all warnings being treated as errors
| [28/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/xcode_object.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/xcode_object.cc -o src/gn/xcode_object.o
| [29/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/target.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/target.cc -o src/gn/target.o
| [30/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/visual_studio_writer.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/visual_studio_writer.cc -o src/gn/visual_studio_writer.o
| [31/33] /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ -MMD -MF src/gn/xcode_writer.o.d -I../git/src/3rdparty/gn/src -I. -DNO_LAST_COMMIT_POSITION -DNDEBUG -O3 -fdata-sections -ffunction-sections -Werror -D_FILE_OFFSET_BITS=64 -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -pthread -pipe -fno-exceptions -fno-rtti -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wextra-semi -Wundef -Wno-redundant-move -Wno-restrict -Wno-deprecated-copy -Wno-implicit-fallthrough -Wno-redundant-move -Wno-unused-variable -Wno-format -Wno-strict-aliasing -Wno-cast-function-type -std=gnu++20 -c ../git/src/3rdparty/gn/src/gn/xcode_writer.cc -o src/gn/xcode_writer.o
| ninja: build stopped: subcommand failed.
| 
| WARNING: exit code 1 from a shell command.

    Thanks in advance.

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    • N Offline
      N Offline
      Nobuddy
      wrote on last edited by
      #2

      So I take it nobody has tried building Qt 6.8.0 using Yocto? And internal QA found no issues? Strange...

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      • N Offline
        N Offline
        Nobuddy
        wrote on last edited by
        #3

        Just as I posted that I found a workaround, but I would still like to know how to correct this.

        For those that are having the same issue and just "want it done" here's what I did: On a fresh bitbake run, when gn-native failed, it showed me the command-line that it ran, which looked something like this:

        cd /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/build && /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/recipe-sysroot-native/usr/bin/python3-native/python3 /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/git/src/3rdparty/gn/build/gen.py --no-last-commit-position --out-path /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/build/ --cc /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/gcc --cxx /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ --ld /home/aaron/yocto/build-raspberrypi-armv8/tmp/hosttools/g++ --platform linux --ar /home/aaron/yocto/sources/poky/scripts/native-intercept/ar --qt-version 6.8.0.qtwebengine.qt.io && /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/recipe-sysroot-native/usr/bin/ninja -C /home/aaron/yocto/build-raspberrypi-armv8/tmp/work/x86_64-linux/gn-native/6.8.0/build/ gn

        Right around where it says gen.py notice there's a bunch of flags: --no-commit-position --out-path etc. Somewhere in those flags, add --allow-warnings and re-run that command. gn-native will (hopefully) build successfully, with warnings, and you will be able to proceed with your Yocto build.

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