With this patch, It can build on mips64el, amd64, i386 without symbols warning.
-- Yunqiang Su
diff -Nru qtscript-opensource-src-5.2.1+dfsg/debian/libqt5script5.symbols qtscript-opensource-src-5.2.1+dfsg/debian/libqt5script5.symbols --- qtscript-opensource-src-5.2.1+dfsg/debian/libqt5script5.symbols 2014-03-25 01:15:08.000000000 +0000 +++ qtscript-opensource-src-5.2.1+dfsg/debian/libqt5script5.symbols 2014-05-22 02:50:39.000000000 +0000 @@ -287,9 +287,6 @@ (subst)_ZN25QScriptEngineAgentPrivate18didReachBreakpointERKN5QTJSC17DebuggerCallFrameE{intptr_t}i@Base 5.0.2 1 _ZN25QScriptEngineAgentPrivate6attachEv@Base 5.0.2 1 _ZN25QScriptEngineAgentPrivate6detachEv@Base 5.0.2 1 - _ZN25QScriptExtensionInterfaceD0Ev@Base 5.0.2 - _ZN25QScriptExtensionInterfaceD1Ev@Base 5.0.2 - _ZN25QScriptExtensionInterfaceD2Ev@Base 5.0.2 _ZN28QScriptClassPropertyIteratorC1ERK12QScriptValue@Base 5.0.2 _ZN28QScriptClassPropertyIteratorC1ERK12QScriptValueR35QScriptClassPropertyIteratorPrivate@Base 5.0.2 _ZN28QScriptClassPropertyIteratorC2ERK12QScriptValue@Base 5.0.2 @@ -445,6 +442,7 @@ _ZTI25QScriptEngineAgentPrivate@Base 5.0.2 1 _ZTI25QScriptExtensionInterface@Base 5.0.2 _ZTI28QScriptClassPropertyIterator@Base 5.0.2 + _ZTIN23QScriptDeclarativeClass6ObjectE@Base 5.2.1 _ZTS12QScriptClass@Base 5.0.2 _ZTS13QScriptEngine@Base 5.0.2 _ZTS17QFactoryInterface@Base 5.0.2 @@ -454,6 +452,7 @@ _ZTS25QScriptEngineAgentPrivate@Base 5.0.2 1 _ZTS25QScriptExtensionInterface@Base 5.0.2 _ZTS28QScriptClassPropertyIterator@Base 5.0.2 + _ZTSN23QScriptDeclarativeClass6ObjectE@Base 5.2.1 _ZTV12QScriptClass@Base 5.0.2 _ZTV13QScriptEngine@Base 5.0.2 _ZTV17QFactoryInterface@Base 5.0.2 @@ -463,6 +462,7 @@ _ZTV25QScriptEngineAgentPrivate@Base 5.0.2 1 _ZTV25QScriptExtensionInterface@Base 5.0.2 _ZTV28QScriptClassPropertyIterator@Base 5.0.2 + _ZTVN23QScriptDeclarativeClass6ObjectE@Base 5.2.1 _ZlsR11QDataStreamRK18QScriptContextInfo@Base 5.0.2 _ZrsR11QDataStreamR18QScriptContextInfo@Base 5.0.2 (c++)"non-virtual thunk to QScriptExtensionPlugin::~QScriptExtensionPlugin()@Base" 5.0.2