Details
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Bug
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Resolution: Duplicate
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Not Evaluated
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None
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6.3.1, 6.4.0 Beta2
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None
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Debian unstable
Description
As per this build log:
[321/1566] /usr/bin/c++ -DBACKTRACE_HEADER=\"execinfo.h\" -DCore_EXPORTS -DELF_INTERPRETER=\"/lib/ld-linux.so.3\" -DQT_ASCII_CAST_WARNINGS -DQT_BUILDING_QT -DQT_BUILD_CORE_LIB -DQT_DEPRECATED_WARNINGS -DQT_DEPRECATED_WARNINGS_SINCE=0x060000 -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_MOC_COMPAT -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_USING_NAMESPACE -DQT_TYPESAFE_FLAGS -DQT_USE_QSTRINGBUILDER -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/Core_autogen/include -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore -I/<<PKGBUILDDIR>>/src/corelib -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/global -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/kernel -I/<<PKGBUILDDIR>>/src/corelib/../3rdparty/tinycbor/src -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore/6.3.1 -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore/6.3.1/QtCore -I/<<PKGBUILDDIR>>/src/corelib/../3rdparty/forkfd -I/<<PKGBUILDDIR>>/mkspecs/linux-g++ -isystem /usr/include/double-conversion -isystem /usr/include/glib-2.0 -isystem /usr/lib/arm-linux-gnueabi/glib-2.0/include -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -march=native -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -Wall -Wextra -Wsuggest-override -std=c++17 -Winvalid-pch -include /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/CMakeFiles/Core.dir/cmake_pch.hxx -MD -MT src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o -MF src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o.d -o src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o -c /<<PKGBUILDDIR>>/src/corelib/thread/qfutureinterface.cpp FAILED: src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o /usr/bin/c++ -DBACKTRACE_HEADER=\"execinfo.h\" -DCore_EXPORTS -DELF_INTERPRETER=\"/lib/ld-linux.so.3\" -DQT_ASCII_CAST_WARNINGS -DQT_BUILDING_QT -DQT_BUILD_CORE_LIB -DQT_DEPRECATED_WARNINGS -DQT_DEPRECATED_WARNINGS_SINCE=0x060000 -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_MOC_COMPAT -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_USING_NAMESPACE -DQT_TYPESAFE_FLAGS -DQT_USE_QSTRINGBUILDER -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/Core_autogen/include -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore -I/<<PKGBUILDDIR>>/src/corelib -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/global -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/kernel -I/<<PKGBUILDDIR>>/src/corelib/../3rdparty/tinycbor/src -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore/6.3.1 -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/include/QtCore/6.3.1/QtCore -I/<<PKGBUILDDIR>>/src/corelib/../3rdparty/forkfd -I/<<PKGBUILDDIR>>/mkspecs/linux-g++ -isystem /usr/include/double-conversion -isystem /usr/include/glib-2.0 -isystem /usr/lib/arm-linux-gnueabi/glib-2.0/include -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -march=native -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fvisibility=hidden -fvisibility-inlines-hidden -Wall -Wextra -Wsuggest-override -std=c++17 -Winvalid-pch -include /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src/corelib/CMakeFiles/Core.dir/cmake_pch.hxx -MD -MT src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o -MF src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o.d -o src/corelib/CMakeFiles/Core.dir/thread/qfutureinterface.cpp.o -c /<<PKGBUILDDIR>>/src/corelib/thread/qfutureinterface.cpp /tmp/ccqRiusr.s: Assembler messages: /tmp/ccqRiusr.s:1860: Error: selected processor does not support `yield' in ARM mode /tmp/ccqRiusr.s:2998: Error: selected processor does not support `yield' in ARM mode /tmp/ccqRiusr.s:5828: Error: selected processor does not support `yield' in ARM mode /tmp/ccqRiusr.s:9716: Error: selected processor does not support `yield' in ARM mode /tmp/ccqRiusr.s:14074: Error: selected processor does not support `yield' in ARM mode
Debian's armel port can't use yield. This regression was introduced in https://github.com/qt/qtbase/commit/877c158c5976bebffd0ff02c39b6b66a842c6344 by mmutz
In order to workaround it we added another precompiler directive to avoid
asm volatile("yield");
if the compiler is not Q_CC_GNU and __ARM_ARCH is equal or more to 7. This will work for us, but I'm not entirely sure this is the right sequence for a more general patch for Qt.
Thanks to Adrian Bunk for finding the right piece of code and providing an initial patch.
Attachments
Issue Links
- duplicates
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QTBUG-104316 Qt 6.3.1 build for arm failed: selected processor does not support `yield' in ARM mode
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- Closed
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