bug#47328: Building qtwebkit fails on CI for i686-linux

[Leo Famulari]

Building qtwebkit [0] for i686-linux on ci.guix.gnu.org, it fails due to
lack of memory, as shown below. It seems highly unlikely that memory was
actually exhausted...

------
[ 95%] Linking CXX shared library ../../lib/libQt5WebKit.so
cd /tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build/Source/WebKit && 
/gnu/store/ysk9g469f4pvw7i318kbk1hnrfrydanl-perl-5.30.2/bin/perl 
/tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/qtwebkit-5.212.0-alpha4/Tools/qt/generate-version-script.pl
 5.15.2 > /tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build/QtWebKit.version
cd /tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build/Source/WebKit && 
/gnu/store/0yf30r3v2nrg806k3cd4vsabyzaai8a9-cmake-minimal-3.16.5/bin/cmake -E 
cmake_link_script CMakeFiles/WebKit.dir/link.txt --verbose=1
/gnu/store/afpgzln8860m6yfhxy6i8n9rywbp85cy-gcc-7.5.0/bin/c++ -fPIC 
-fvisibility=hidden -fvisibility-inlines-hidden  -fno-exceptions 
-fno-strict-aliasing -fno-rtti -std=c++11 -Wno-expansion-to-defined -O2 -g 
-DNDEBUG 
-Wl,--version-script,/tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build/QtWebKit.version
 -Wl,--no-undefined -Wl,--no-keep-memory -shared -Wl,-soname,libQt5WebKit.so.5 
-o ../../lib/libQt5WebKit.so.5.212.0 
CMakeFiles/WebKit.dir/WebKit_autogen/mocs_compilation.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageAreaImpl.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageAreaSync.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageNamespaceImpl.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageSyncManager.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageThread.cpp.o 
CMakeFiles/WebKit.dir/Storage/StorageTracker.cpp.o 
CMakeFiles/WebKit.dir/Storage/WebDatabaseProvider.cpp.o 
CMakeFiles/WebKit.dir/Storage/WebStorageNamespaceProvider.cpp.o 
CMakeFiles/WebKit.dir/WebCoreSupport/WebResourceLoadScheduler.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qhttpheader.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebdatabase.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebelement.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebfullscreenrequest.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebhistory.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebhistoryinterface.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebkitglobal.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebplugindatabase.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebpluginfactory.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebscriptworld.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebsecurityorigin.cpp.o 
CMakeFiles/WebKit.dir/qt/Api/qwebsettings.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/ChromeClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/ContextMenuClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/DragClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/EditorClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/FrameLoaderClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/FrameNetworkingContextQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/HistorySerialization.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/IconDatabaseClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/InitWebCoreQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/InspectorClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/InspectorServerQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/NotificationPresenterClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/PlatformStrategiesQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/PopupMenuQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/ProgressTrackerClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QWebFrameAdapter.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QWebFrameData.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QWebPageAdapter.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QtPlatformPlugin.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QtPluginWidgetAdapter.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/QtPrintContext.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/SearchPopupMenuQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/TextCheckerClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/TextureMapperLayerClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/UndoStepQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/VisitedLinkStoreQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/WebDatabaseProviderQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/WebEventConversion.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginDatabase.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginDebug.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginPackage.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginStream.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginView.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/GeolocationClientQt.cpp.o 
CMakeFiles/WebKit.dir/qt/WebCoreSupport/GeolocationPermissionClientQt.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/PluginMainThreadScheduler.cpp.o 
CMakeFiles/WebKit.dir/win/Plugins/npapi.cpp.o 
CMakeFiles/WebKit.dir/qt/Plugins/PluginPackageQt.cpp.o 
CMakeFiles/WebKit.dir/qt/Plugins/PluginViewQt.cpp.o 
CMakeFiles/WebKit.dir/qrc_WebCore.cpp.o 
CMakeFiles/WebKit.dir/__/__/DerivedSources/WebInspectorUI/qrc_WebInspector.cpp.o
  
-Wl,-rpath,:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 ../../lib/libJavaScriptCore.a ../../lib/libWTF.a ../../lib/libWebCore.a 
-Wl,--whole-archive ../../lib/libWebKit2.a -Wl,--no-whole-archive 
/gnu/store/hrqk4ry2xdn201cxh0zxqn4x71hs6bf5-qtdeclarative-5.15.2/lib/libQt5Quick.so.5.15.2
 
/gnu/store/wdlvii1458lqb8bvyczcwfmjrww1a0xh-qtwebchannel-5.15.2/lib/libQt5WebChannel.so.5.15.2
 -licuuc 
/gnu/store/qwax95pbljhb5hwwcj8rplgj6m99lgz9-qtlocation-5.15.2/lib/libQt5Positioning.so.5.15.2
 -lX11 -lXcomposite -lXrender ../../lib/libWebCore.a 
../../lib/libJavaScriptCore.a ../../lib/libWTF.a -ldl -licui18n -lpthread 
../../lib/libwoff2.a ../../lib/libbrotli.a 
/gnu/store/r571pjn0qihma7vw33h577dwzizi2xmx-qtsensors-5.15.2/lib/libQt5Sensors.so.5.15.2
 -ljpeg -lpng -lz -lwebp -lxml2 -lxslt -lsqlite3 -lgio-2.0 -lgstapp-1.0 
-lgstbase-1.0 -lgstreamer-1.0 -lgstpbutils-1.0 -lgstaudio-1.0 -lgsttag-1.0 
-lgstvideo-1.0 -lgstfft-1.0 -ljpeg -lpng -lz -lwebp -lxml2 -lxslt -lsqlite3 
-lgio-2.0 -lgstapp-1.0 -lgstbase-1.0 -lgstreamer-1.0 -lgstpbutils-1.0 
-lgstaudio-1.0 -lgsttag-1.0 -lgstvideo-1.0 -lgstfft-1.0 -licuuc -lgobject-2.0 
-lglib-2.0 ../../lib/libANGLESupport.a 
/gnu/store/2niwnz2ajfjgw41farnz9h4k5l819sc9-qtbase-5.15.2/lib/libQt5Gui.so.5.15.2
 
/gnu/store/hrqk4ry2xdn201cxh0zxqn4x71hs6bf5-qtdeclarative-5.15.2/lib/libQt5QmlModels.so.5.15.2
 
/gnu/store/hrqk4ry2xdn201cxh0zxqn4x71hs6bf5-qtdeclarative-5.15.2/lib/libQt5Qml.so.5.15.2
 
/gnu/store/2niwnz2ajfjgw41farnz9h4k5l819sc9-qtbase-5.15.2/lib/libQt5Network.so.5.15.2
 
/gnu/store/2niwnz2ajfjgw41farnz9h4k5l819sc9-qtbase-5.15.2/lib/libQt5Core.so.5.15.2
 -lrt -lX11 
ld: failed to set dynamic section sizes: memory exhausted
collect2: error: ld returned 1 exit status
make[2]: *** [Source/WebKit/CMakeFiles/WebKit.dir/build.make:1955: 
lib/libQt5WebKit.so.5.212.0] Error 1
make[2]: Leaving directory '/tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build'
make[1]: *** [CMakeFiles/Makefile2:1706: 
Source/WebKit/CMakeFiles/WebKit.dir/all] Error 2
make[1]: Leaving directory '/tmp/guix-build-qtwebkit-5.212.0-alpha4.drv-0/build'
make: *** [Makefile:166: all] Error 2
command "make" failed with status 2
builder for 
`/gnu/store/yapkvpkaf8ml16vvgd0g2jnpjqyhlfd5-qtwebkit-5.212.0-alpha4.drv' 
failed with exit code 1
------

That's from this log:

https://ci.guix.gnu.org/build/99790/log/raw

[0]
/gnu/store/yapkvpkaf8ml16vvgd0g2jnpjqyhlfd5-qtwebkit-5.212.0-alpha4.drv