[Webkit-unassigned] [Bug 185194] [GTK] Error building WebKitGtk+ with gcc version 7.3.1

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 3 00:55:25 PDT 2018 

https://bugs.webkit.org/show_bug.cgi?id=185194

--- Comment #3 from Miguel Gomez <magomez at igalia.com> ---
These are the problematic definitions:

Source/WebCore/html/HTMLMediaElement.h:

using MediaProvider = std::optional<Variant<
#if ENABLE(MEDIA_STREAM)
    RefPtr<MediaStream>,
#endif
#if ENABLE(MEDIA_SOURCE)
    RefPtr<MediaSource>,
#endif
    RefPtr<Blob>>>;


Source/WebCore/html/HTMLSourceElement.h

mutable std::optional<RefPtr<const MediaQuerySet>> m_cachedParsedMediaAttribute;


These are easily fixed by adding the appropriate includes, but after that I'm getting into this:

magomez at mars:~/webkit/WebKit (master)$ Tools/Scripts/build-webkit --gtk --release
Use of uninitialized value $previousContents in chomp at /home/magomez/webkit/WebKit/Tools/Scripts/webkitdirs.pm line 1969.
Use of uninitialized value $previousContents in string ne at /home/magomez/webkit/WebKit/Tools/Scripts/webkitdirs.pm line 1972.
+ /home/magomez/webkit/WebKit/Tools/jhbuild/jhbuild-wrapper --gtk run cmake --build /home/magomez/webkit/WebKit/WebKitBuild/Release --config Release -- -j1
[2/1674] Building CXX object Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp.o
FAILED: Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp.o 
/usr/lib64/ccache/c++  -DBUILDING_GTK__=1 -DBUILDING_WEBKIT -DBUILDING_WITH_CMAKE=1 -DBUILDING_WebCore -DGETTEXT_PACKAGE=\"WebKit2GTK-4.0\" -DHAVE_CONFIG_H=1 -DJSC_GLIB_API_ENABLED -DSTATICALLY_LINKED_WITH_PAL=1 -DWEBKITGTK_API_VERSION_STRING=\"4.0\" -I. -I../../Source/WebCore -I../../Source/WebCore/Modules/airplay -I../../Source/WebCore/Modules/beacon -I../../Source/WebCore/Modules/applepay -I../../Source/WebCore/Modules/applepay/paymentrequest -I../../Source/WebCore/Modules/cache -I../../Source/WebCore/Modules/credentialmanagement -I../../Source/WebCore/Modules/encryptedmedia -I../../Source/WebCore/Modules/encryptedmedia/legacy -I../../Source/WebCore/Modules/entriesapi -I../../Source/WebCore/Modules/fetch -I../../Source/WebCore/Modules/geolocation -I../../Source/WebCore/Modules/indexeddb -I../../Source/WebCore/Modules/indexeddb/client -I../../Source/WebCore/Modules/indexeddb/server -I../../Source/WebCore/Modules/indexeddb/shared -I../../Source/WebCore/Modules/mediacapabilities -I../../Source/WebCore/Modules/mediacontrols -I../../Source/WebCore/Modules/mediasession -I../../Source/WebCore/Modules/mediasource -I../../Source/WebCore/Modules/mediastream -I../../Source/WebCore/Modules/navigatorcontentutils -I../../Source/WebCore/Modules/notifications -I../../Source/WebCore/Modules/paymentrequest -I../../Source/WebCore/Modules/plugins -I../../Source/WebCore/Modules/quota -I../../Source/WebCore/Modules/speech -I../../Source/WebCore/Modules/streams -I../../Source/WebCore/Modules/webaudio -I../../Source/WebCore/Modules/webauthn -I../../Source/WebCore/Modules/webdatabase -I../../Source/WebCore/Modules/webdriver -I../../Source/WebCore/Modules/websockets -I../../Source/WebCore/Modules/webvr -I../../Source/WebCore/accessibility -I../../Source/WebCore/animation -I../../Source/WebCore/bindings -I../../Source/WebCore/bindings/js -I../../Source/WebCore/bridge -I../../Source/WebCore/bridge/c -I../../Source/WebCore/bridge/jsc -I../../Source/WebCore/contentextensions -I../../Source/WebCore/crypto -I../../Source/WebCore/crypto/algorithms -I../../Source/WebCore/crypto/keys -I../../Source/WebCore/crypto/parameters -I../../Source/WebCore/css -I../../Source/WebCore/css/parser -I../../Source/WebCore/cssjit -I../../Source/WebCore/dom -I../../Source/WebCore/dom/default -I../../Source/WebCore/dom/messageports -I../../Source/WebCore/domjit -I../../Source/WebCore/editing -I../../Source/WebCore/fileapi -I../../Source/WebCore/history -I../../Source/WebCore/html -I../../Source/WebCore/html/canvas -I../../Source/WebCore/html/forms -I../../Source/WebCore/html/parser -I../../Source/WebCore/html/shadow -I../../Source/WebCore/html/track -I../../Source/WebCore/inspector -I../../Source/WebCore/inspector/agents -I../../Source/WebCore/inspector/agents/page -I../../Source/WebCore/inspector/agents/worker -I../../Source/WebCore/loader -I../../Source/WebCore/loader/appcache -I../../Source/WebCore/loader/archive -I../../Source/WebCore/loader/archive/mhtml -I../../Source/WebCore/loader/cache -I../../Source/WebCore/loader/icon -I../../Source/WebCore/mathml -I../../Source/WebCore/page -I../../Source/WebCore/page/animation -I../../Source/WebCore/page/csp -I../../Source/WebCore/page/scrolling -I../../Source/WebCore/platform -I../../Source/WebCore/platform/animation -I../../Source/WebCore/platform/audio -I../../Source/WebCore/platform/crypto -I../../Source/WebCore/platform/encryptedmedia -I../../Source/WebCore/platform/gamepad -I../../Source/WebCore/platform/graphics -I../../Source/WebCore/platform/graphics/cpu/arm -I../../Source/WebCore/platform/graphics/cpu/arm/filters -I../../Source/WebCore/platform/graphics/displaylists -I../../Source/WebCore/platform/graphics/filters -I../../Source/WebCore/platform/graphics/harfbuzz -I../../Source/WebCore/platform/graphics/harfbuzz/ng -I../../Source/WebCore/platform/graphics/iso -I../../Source/WebCore/platform/graphics/opentype -I../../Source/WebCore/platform/graphics/transforms -I../../Source/WebCore/platform/mediastream -I../../Source/WebCore/platform/mediastream/libwebrtc -I../../Source/WebCore/platform/mock -I../../Source/WebCore/platform/mock/mediasource -I../../Source/WebCore/platform/network -I../../Source/WebCore/platform/sql -I../../Source/WebCore/platform/text -I../../Source/WebCore/platform/text/icu -I../../Source/WebCore/platform/vr -I../../Source/WebCore/plugins -I../../Source/WebCore/rendering -I../../Source/WebCore/rendering/line -I../../Source/WebCore/rendering/mathml -I../../Source/WebCore/rendering/shapes -I../../Source/WebCore/rendering/style -I../../Source/WebCore/rendering/svg -I../../Source/WebCore/rendering/updating -I../../Source/WebCore/replay -I../../Source/WebCore/storage -I../../Source/WebCore/style -I../../Source/WebCore/svg -I../../Source/WebCore/svg/animation -I../../Source/WebCore/svg/graphics -I../../Source/WebCore/svg/graphics/filters -I../../Source/WebCore/svg/properties -I../../Source/WebCore/websockets -I../../Source/WebCore/workers -I../../Source/WebCore/workers/service -I../../Source/WebCore/workers/service/context -I../../Source/WebCore/workers/service/server -I../../Source/WebCore/xml -I../../Source/WebCore/xml/parser -IDerivedSources/WebCore -IDerivedSources/ForwardingHeaders/ANGLE -I../../Source/WebCore/platform/graphics/gpu -I../../Source/ThirdParty/openvr/headers -I../../Source/WebCore/platform/vr/openvr -I../../Source/ThirdParty/xdgmime/src -I../../Source/WebCore/platform/graphics/cairo -I../../Source/WebCore/platform/graphics/freetype -I../../Source/WebCore/platform/graphics/gstreamer -I../../Source/WebCore/platform/graphics/gstreamer/mse -I../../Source/WebCore/platform/graphics/gstreamer/eme -I../../Source/WebCore/platform/audio/gstreamer -I../../Source/WebCore/platform/image-decoders -I../../Source/WebCore/platform/image-decoders/bmp -I../../Source/WebCore/platform/image-decoders/gif -I../../Source/WebCore/platform/image-decoders/ico -I../../Source/WebCore/platform/image-decoders/jpeg -I../../Source/WebCore/platform/image-decoders/png -I../../Source/WebCore/platform/image-decoders/webp -I../../Source/WebCore/platform/graphics/texmap -I../../Source/WebCore/page/scrolling/coordinatedgraphics -I../../Source/WebCore/platform/graphics/texmap/coordinated -I../../Source/WebCore/platform/graphics/nicosia -I../../Source/WebCore/platform/graphics/nicosia/cairo -I../../Source/ThirdParty/ANGLE -I../../Source/ThirdParty/ANGLE/include/KHR -I../../Source/WebCore/accessibility/atk -I../../Source/WebCore/editing/atk -I../../Source/WebCore/page/gtk -I../../Source/WebCore/platform/geoclue -I../../Source/WebCore/platform/gtk -I../../Source/WebCore/platform/graphics/egl -I../../Source/WebCore/platform/graphics/glx -I../../Source/WebCore/platform/graphics/gtk -I../../Source/WebCore/platform/graphics/opengl -I../../Source/WebCore/platform/graphics/wayland -I../../Source/WebCore/platform/graphics/x11 -I../../Source/WebCore/platform/mediastream/gtk -I../../Source/WebCore/platform/network/gtk -I../../Source/WebCore/platform/network/soup -I../../Source/WebCore/platform/text/gtk -I../../Source/WebCore/bindings/gobject -isystem ../DependenciesGTK/Root/include/libxml2 -isystem ../../Source/ThirdParty/libwebrtc/Source -isystem ../../Source/ThirdParty/libwebrtc/Source/webrtc -isystem ../DependenciesGTK/Root/include/cairo -isystem ../DependenciesGTK/Root/include/freetype2/freetype -isystem ../DependenciesGTK/Root/include/freetype2 -isystem ../DependenciesGTK/Root/include/harfbuzz -isystem ../DependenciesGTK/Root/include/gstreamer-1.0 -isystem ../DependenciesGTK/Root/include/glib-2.0 -isystem ../DependenciesGTK/Root/lib/glib-2.0/include -isystem ../DependenciesGTK/Root/lib/gstreamer-1.0/include -isystem /usr/include/libdrm -isystem ../DependenciesGTK/Root/include/atk-1.0 -isystem /usr/include/enchant -isystem ../DependenciesGTK/Root/include/gio-unix-2.0 -isystem ../DependenciesGTK/Root/include/libsecret-1 -isystem ../DependenciesGTK/Root/include/libsoup-2.4 -IDerivedSources/ForwardingHeaders -I../../Source/bmalloc -IDerivedSources
-I../../Source/ThirdParty -fdiagnostics-color=always -Wno-expansion-to-defined -Wno-attributes -Wno-noexcept-type -Wno-maybe-uninitialized -Wwrite-strings -Wundef -Wpointer-arith -Wmissing-format-attribute -Wformat-security -Wcast-align -Wextra -Wall  -fno-strict-aliasing -fno-exceptions -std=c++17 -fno-rtti -O2 -DNDEBUG -fPIC -MD -MT Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp.o -MF Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp.o.d -o Source/WebCore/CMakeFiles/WebCore.dir/__/__/DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp.o -c DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp
In file included from DerivedSources/ForwardingHeaders/wtf/text/StringImpl.h:32:0,
                 from DerivedSources/ForwardingHeaders/wtf/text/WTFString.h:31,
                 from ../../Source/WebCore/platform/graphics/ExtendedColor.h:32,
                 from ../../Source/WebCore/platform/graphics/Color.h:29,
                 from ../../Source/WebCore/dom/Document.h:30,
                 from ../../Source/WebCore/dom/Element.h:28,
                 from ../../Source/WebCore/html/DOMTokenList.h:28,
                 from DerivedSources/WebCore/JSDOMTokenList.h:23,
                 from DerivedSources/WebCore/JSDOMTokenList.cpp:22,
                 from DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp:1:
DerivedSources/ForwardingHeaders/wtf/Vector.h: In instantiation of ‘static void WTF::VectorCopier<false, T>::uninitializedCopy(const T*, const T*, U*) [with U = WTF::Ref<WebCore::DataTransferItem>; T = WTF::Ref<WebCore::DataTransferItem>]’:
DerivedSources/ForwardingHeaders/wtf/Vector.h:265:79:   required from ‘static void WTF::VectorTypeOperations<T>::uninitializedCopy(const T*, const T*, T*) [with T = WTF::Ref<WebCore::DataTransferItem>]’
DerivedSources/ForwardingHeaders/wtf/Vector.h:874:42:   required from ‘WTF::Vector< <template-parameter-1-1>, <anonymous>, <template-parameter-1-3>, <anonymous>, <template-parameter-1-5> >::Vector(const WTF::Vector< <template-parameter-1-1>, <anonymous>, <template-parameter-1-3>, <anonymous>, <template-parameter-1-5> >&) [with T = WTF::Ref<WebCore::DataTransferItem>; long unsigned int inlineCapacity = 0; OverflowHandler = WTF::CrashOnOverflow; long unsigned int minCapacity = 16; Malloc = WTF::FastMalloc]’
/usr/include/c++/7/type_traits:1406:12:   required from ‘struct std::is_trivially_copy_constructible<WTF::Vector<WTF::Ref<WebCore::DataTransferItem> > >’
/usr/include/c++/7/optional:105:8:   required from ‘class std::_Optional_base<WTF::Vector<WTF::Ref<WebCore::DataTransferItem> > >’
/usr/include/c++/7/optional:453:11:   required from ‘class std::optional<WTF::Vector<WTF::Ref<WebCore::DataTransferItem> > >’
../../Source/WebCore/dom/DataTransferItemList.h:80:58:   required from here
DerivedSources/ForwardingHeaders/wtf/Vector.h:162:13: error: use of deleted function ‘WTF::Ref<T, <template-parameter-1-2> >::Ref(const WTF::Ref<T, <template-parameter-1-2> >&) [with T = WebCore::DataTransferItem; PtrTraits = WTF::DumbPtrTraits<WebCore::DataTransferItem>]’
             new (NotNull, dst) U(*src);
             ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../Source/WebCore/platform/graphics/ExtendedColor.h:30:0,
                 from ../../Source/WebCore/platform/graphics/Color.h:29,
                 from ../../Source/WebCore/dom/Document.h:30,
                 from ../../Source/WebCore/dom/Element.h:28,
                 from ../../Source/WebCore/html/DOMTokenList.h:28,
                 from DerivedSources/WebCore/JSDOMTokenList.h:23,
                 from DerivedSources/WebCore/JSDOMTokenList.cpp:22,
                 from DerivedSources/WebCore/unified-sources/UnifiedSource20.cpp:1:
DerivedSources/ForwardingHeaders/wtf/Ref.h:71:5: note: declared here
     Ref(const Ref& other) = delete;
     ^~~
ninja: build stopped: subcommand failed.

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