Hello, I am currently using webkit-1.8.0, here I have faced a compilation error. The steps I followed are: 1. ./configure --with-accelerated-compositing=cairo 2. make
Source/WebCore/platform/graphics/cairo/TextureMapperCairo.h: In static member function ‘static WTF::PassOwnPtr<WebCore::TextureMapper> WebCore::TextureMapperCairo::create()’: Source/WebCore/platform/graphics/cairo/TextureMapperCairo.h:75: error: cannot allocate an object of abstract type ‘WebCore::TextureMapperCairo’ Source/WebCore/platform/graphics/cairo/TextureMapperCairo.h:59: note: because the following virtual functions are pure within ‘WebCore::TextureMapperCairo’: ./Source/WebCore/platform/graphics/texmap/TextureMapper.h:121: note: virtual WebCore::TextureMapper::AccelerationMode WebCore::TextureMapper::accelerationMode() const Source/WebCore/platform/graphics/cairo/TextureMapperCairo.cpp: In member function ‘virtual WebCore::IntSize WebCore::TextureMapperCairo::viewportSize() const’: Source/WebCore/platform/graphics/cairo/TextureMapperCairo.cpp:89: warning: no return statement in function returning non-void Source/WebCore/platform/graphics/cairo/TextureMapperCairo.cpp: In member function ‘virtual WTF::PassRefPtr<WebCore::BitmapTexture> WebCore::TextureMapperCairo::createTexture()’: Source/WebCore/platform/graphics/cairo/TextureMapperCairo.cpp:120: error: cannot allocate an object of abstract type ‘WebCore::BitmapTextureCairo’ Source/WebCore/platform/graphics/cairo/TextureMapperCairo.h:31: note: because the following virtual functions are pure within ‘WebCore::BitmapTextureCairo’: ./Source/WebCore/platform/graphics/texmap/TextureMapper.h:66: note: virtual void WebCore::BitmapTexture::updateContents(WebCore::Image*, const WebCore::IntRect&, const WebCore::IntRect&, WebCore::BitmapTexture::PixelFormat) ./Source/WebCore/platform/graphics/texmap/TextureMapper.h:67: note: virtual void WebCore::BitmapTexture::updateContents(const void*, const WebCore::IntRect&) After that I check the header files of the class TextureMapper and class TextureMapperCairo. TextureMapperCairo is a derived class of the abstract class TextureMapper, but don't implement some of the pure virtual functions. This error seems to be very strange to me, as lot of people are using this, it should not be present or is it a known problem?? Regards, Deb Please do not print this email unless it is absolutely necessary. The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com
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