Bug#1086634: veyon: FTBFS on armel: /usr/include/c++/14/bits/atomic_base.h:501:(.text+0xa5d0): undefined reference to `__atomic_load_8'

[Sebastian Ramacher]

Source: veyon
Version: 4.7.5+repack1-1.1
Severity: serious
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: sramacher at debian.org

https://buildd.debian.org/status/fetch.php?pkg=veyon&arch=armel&ver=4.7.5%2Brepack1-1.1%2Bb2&stamp=1730436262&raw=0

[ 96%] Building CXX object master/CMakeFiles/veyon-master.dir/src/RecursiveFilterProxyModel.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/master && /usr/bin/g++ -DQT_CONCURRENT_LIB -DQT_CORE_LIB -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050e00 -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_CAST_FROM_ASCII -DQT_NO_CAST_FROM_BYTEARRAY -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_KEYWORDS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_STRICT_ITERATORS -DQT_USE_QSTRINGBUILDER -DQT_WIDGETS_LIB -D_FORTIFY_SOURCE=2 -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/master/veyon-master_autogen/include -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/master -I/<<PKGBUILDDIR>>/master/src -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/core -I/<<PKGBUILDDIR>>/core/src -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/core/src -I/usr/include/arm-linux-gnueabi/qt5 -I/usr/include/arm-linux-gnueabi/qt5/QtConcurrent -I/usr/include/arm-linux-gnueabi/qt5/QtCore -I/usr/lib/arm-linux-gnueabi/qt5/mkspecs/linux-g++ -I/usr/include/arm-linux-gnueabi/qt5/QtGui -I/usr/include/arm-linux-gnueabi/qt5/QtNetwork -I/usr/include/arm-linux-gnueabi/qt5/QtWidgets -I/usr/include/Qca-qt5/QtCrypto -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -fstack-protector-strong -fno-exceptions  -O2 -g -DNDEBUG -std=gnu++14 -fvisibility=hidden -fvisibility-inlines-hidden -fPIE -Wall -Werror "-flto=8 -fno-fat-lto-objects" -fPIC -MD -MT master/CMakeFiles/veyon-master.dir/src/RecursiveFilterProxyModel.cpp.o -MF CMakeFiles/veyon-master.dir/src/RecursiveFilterProxyModel.cpp.o.d -o CMakeFiles/veyon-master.dir/src/RecursiveFilterProxyModel.cpp.o -c /<<PKGBUILDDIR>>/master/src/RecursiveFilterProxyModel.cpp
/usr/bin/ld: /tmp/ccsGNr3e.ltrans0.ltrans.o: in function `WebApiController::getFramebuffer(WebApiController::Request const&)':
/usr/include/c++/14/bits/atomic_base.h:501:(.text+0xa5d0): undefined reference to `__atomic_load_8'
/usr/bin/ld: /tmp/ccsGNr3e.ltrans0.ltrans.o: in function `WebApiConnection::runFramebufferEncoder()::{lambda()#1}::operator()() const':
/usr/include/c++/14/bits/atomic_base.h:501:(.text+0xad34): undefined reference to `__atomic_load_8'
/usr/bin/ld: /usr/include/c++/14/bits/atomic_base.h:501:(.text+0xad78): undefined reference to `__atomic_load_8'
/usr/bin/ld: /usr/include/c++/14/bits/atomic_base.h:477:(.text+0xad90): undefined reference to `__atomic_store_8'
collect2: error: ld returned 1 exit status
make[3]: *** [plugins/webapi/CMakeFiles/webapi.dir/build.make:237: plugins/webapi/webapi.so] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabi'
make[2]: *** [CMakeFiles/Makefile2:2994: plugins/webapi/CMakeFiles/webapi.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....

Cheers
-- 
Sebastian Ramacher