[3/560] Building CXX object Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp.o
FAILED: Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp.o 
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/boot/home/haikuports/haiku-libs/haikuwebkit/work-1.7.1/sources/webkit-1.7.1/Source/WebCore/platform/text -iquote /boot/home/haikuports/haiku-libs/haikuwebkit/work-1.7.1/sources/webkit-1.7.1/Source/WebCore/rendering/shapes -std=c++17 -MD -MT Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp.o -MF Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp.o.d -o Source/WebCore/CMakeFiles/WebCore.dir/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp.o -c ../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp: In member function 'virtual void WebCore::MediaPlayerFactoryHaiku::getSupportedTypes(WTF::HashSet<WTF::String, WTF::ASCIICaseInsensitiveHash>&) const':
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp:53:71: warning: unused parameter 'types' [-Wunused-parameter]
     void getSupportedTypes(HashSet<String, ASCIICaseInsensitiveHash>& types) const final
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp: In member function 'virtual bool WebCore::MediaPlayerFactoryHaiku::supportsKeySystem(const WTF::String&, const WTF::String&) const':
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp:63:42: warning: unused parameter 'keySystem' [-Wunused-parameter]
     bool supportsKeySystem(const String& keySystem, const String& mimeType) const final
                            ~~~~~~~~~~~~~~^~~~~~~~~
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp:63:67: warning: unused parameter 'mimeType' [-Wunused-parameter]
     bool supportsKeySystem(const String& keySystem, const String& mimeType) const final
                                                     ~~~~~~~~~~~~~~^~~~~~~~
In file included from /boot/system/develop/tools/lib/gcc/x86_64-unknown-haiku/8.3.0/include/c++/memory:80,
                 from DerivedSources/ForwardingHeaders/wtf/StdLibExtras.h:30,
                 from DerivedSources/ForwardingHeaders/wtf/FastMalloc.h:26,
                 from ../../Source/WebCore/config.h:56,
                 from ../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp:20:
/boot/system/develop/tools/lib/gcc/x86_64-unknown-haiku/8.3.0/include/c++/bits/unique_ptr.h: In instantiation of 'typename std::_MakeUniq<_Tp>::__single_object std::make_unique(_Args&& ...) [with _Tp = WebCore::MediaPlayerPrivate; _Args = {WebCore::MediaPlayer*&}; typename std::_MakeUniq<_Tp>::__single_object = std::unique_ptr<WebCore::MediaPlayerPrivate, std::default_delete<WebCore::MediaPlayerPrivate> >]':
DerivedSources/ForwardingHeaders/wtf/StdLibExtras.h:483:31:   required from 'decltype(auto) WTF::makeUnique(Args&& ...) [with T = WebCore::MediaPlayerPrivate; Args = {WebCore::MediaPlayer*&}]'
../../Source/WebCore/platform/graphics/haiku/MediaPlayerPrivateHaiku.cpp:50:53:   required from here
/boot/system/develop/tools/lib/gcc/x86_64-unknown-haiku/8.3.0/include/c++/bits/unique_ptr.h:831:30: error: invalid new-expression of abstract class type 'WebCore::MediaPlayerPrivate'
     { return unique_ptr<_Tp>(new _Tp(std::forward<_Args>(__args)...)); }
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~