Hi,
I am evaluating the use of QtWebKit for one of our projects.
Since I read on the webkit-qt forum that QtWebkit could also be built
using the V8 engine, I wanted to give it a try.
So, I downloaded the latest revision (Rev - 86741) from svn (svn
checkout http://svn.webkit.org/repository/webkit/trunk) and tried
building it with V8 on Ubuntu 10.10 - 32 bit.
(I had already built the latest version of V8 and copied the include
files into $QTDIR/src/3rdparty/v8/include and the libv8.so to $QTDIR/lib)
I setup the environmental variables as follows -
$ export QTDIR=/usr/local/Trolltech/Qt-4.7.3
$ export PATH=$QTDIR/bin:$PATH
$ ./Tools/Scripts/build-webkit --qt --v8
The build failed with the following errors -
Project MESSAGE: Using gold linker
Project MESSAGE: Using V8 with QtScript
Project MESSAGE: Using gold linker
Project MESSAGE: Using gold linker
Project MESSAGE: Using gold linker
Project MESSAGE: Using V8 with QtScript
Project MESSAGE: Using gold linker
Project MESSAGE: Using gold linker
WARNING: DESTDIR: Cannot access directory
'/usr/local/Trolltech/Qt-4.7.3/plugins/webkit'
../../../Source/WebCore/bindings/v8/NPV8Object.cpp: In function
‘WebCore::WrapperTypeInfo* WebCore::npObjectTypeInfo()’:
../../../Source/WebCore/bindings/v8/NPV8Object.cpp:61: warning: missing
initializer for member ‘WebCore::WrapperTypeInfo::parentClass’
../../../Source/WebCore/bindings/v8/ScriptControllerQt.cpp: In member
function ‘QScriptEngine* WebCore::ScriptController::qtScriptEngine()’:
../../../Source/WebCore/bindings/v8/ScriptControllerQt.cpp:43: error: no
match for ‘operator=’ in
‘((WebCore::ScriptController*)this)->WebCore::ScriptController::m_qtScriptEngine
= (operator new(8u), (<statement>, ((QScriptEngine*)<anonymous>)))’
../../../Source/JavaScriptCore/wtf/OwnPtr.h:131: note: candidates are:
WTF::OwnPtr<T>& WTF::OwnPtr<T>::operator=(const WTF::PassOwnPtr<T>&)
[with T = QScriptEngine]
../../../Source/JavaScriptCore/wtf/OwnPtr.h:72: note: WTF::OwnPtr<T>&
WTF::OwnPtr<T>::operator=(std::nullptr_t) [with T = QScriptEngine]
../../../Source/JavaScriptCore/wtf/OwnPtr.h:83: note: WTF::OwnPtr<T>&
WTF::OwnPtr<T>::operator=(const WTF::OwnPtr<T>&) [with T = QScriptEngine]
make[1]: *** [obj/release/ScriptControllerQt.o] Error 1
make: *** [sub-WebCore-make_default-ordered] Error 2
Also, the buildbot for x86-32 Linux Qt V8
(http://www.sed.hu/webkit/qtbuildbot/builders/x86-32%20Linux%20Qt%20V8)
has been offline since Mar 8, 2011.
I have few questions - Please could somebody answer them for me
a) How do I build QtWebkit with V8? Is there any alternative other than
the build-webkit --qt --v8 script?
b) I see that the QtWebkit 2.2 release is coming up during June 2011, is
V8 supported on that?
c) Is the Qt bridge working with V8 engine?
Thanks,
Vin
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