[Development] New Qt 5.6.0 RC snapshot available, please test

[Tim Blechmann]

> We have finally packages for testing,
> 
> 
> Windows: http://download.qt.io/snapshots/qt/5.6/5.6.0-rc/335/
> 
> Linux: http://download.qt.io/snapshots/qt/5.6/5.6.0-rc/331/
> 
> Mac:http://download.qt.io/snapshots/qt/5.6/5.6.0-rc/271/
> 
> src:<http://download.qt.io/snapshots/qt/5.6/5.6.0-rc/271/>http://download.qt.io/snapshots/qt/5.6/5.6.0-rc/latest_src
> 
> 
> Unfortunately these packages are from a bit old qt5.git integration
> (https://codereview.qt-project.org/#/c/147715/) so latest changes from
> '5.6.0' (https://codereview.qt-project.org/#/c/148570/) are missing from
> the packages, sorry about that!
> 
> 
> We are trying to release RC as soon as possible so it is really
> important to test these packages now to see if there is still something
> to be fixed before we can release the RC. Current RC blockers are here:
> https://bugreports.qt.io/issues/?filter=17225 .Please make sure all
> blocker are visible here (but remember, just a real blockers anymore!). 
> 
> 
> And please start creating changelogs for final release now if not
> already started.

seems that building statically linked qt is broken:

windows:

> 	        link /NOLOGO /DYNAMICBASE /NXCOMPAT /DEBUG /OPT:REF /INCREMENTAL:NO /SUBSYSTEM:CONSOLE "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*' processorArchitecture='*'" /MANIFEST:embed /OUT:..\..\..\bin\canbusutil.exe @C:\Users\developer\AppData\Local\Temp\canbusutil.exe.3388.3853.jom
> 16-Feb-2016 14:24:02	canbusutil_plugin_import.obj : error LNK2019: unresolved external symbol "struct QStaticPlugin const __cdecl qt_static_plugin_PeakCanBusPlugin(void)" (?qt_static_plugin_PeakCanBusPlugin@@YA?BUQStaticPlugin@@XZ) referenced in function "public: __cdecl StaticPeakCanBusPluginPluginInstance::StaticPeakCanBusPluginPluginInstance(void)" (??0StaticPeakCanBusPluginPluginInstance@@QEAA at XZ)
> 16-Feb-2016 14:24:02	canbusutil_plugin_import.obj : error LNK2019: unresolved external symbol "struct QStaticPlugin const __cdecl qt_static_plugin_TinyCanBusPlugin(void)" (?qt_static_plugin_TinyCanBusPlugin@@YA?BUQStaticPlugin@@XZ) referenced in function "public: __cdecl StaticTinyCanBusPluginPluginInstance::StaticTinyCanBusPluginPluginInstance(void)" (??0StaticTinyCanBusPluginPluginInstance@@QEAA at XZ)

osx:
> 	Undefined symbols for architecture x86_64:
> 16-Feb-2016 13:38:21	  "qt_static_plugin_PeakCanBusPlugin()", referenced from:
> 16-Feb-2016 13:38:21	      __GLOBAL__sub_I_canbusutil_plugin_import.cpp in canbusutil_plugin_import.o
> 16-Feb-2016 13:38:21	ld: symbol(s) not found for architecture x86_64
> 16-Feb-2016 13:38:21	clang: error: linker command failed with exit code 1 (use -v to see invocation)
> 16-Feb-2016 13:38:21	make[4]: *** [../../../bin/canbusutil] Error 1
> 16-Feb-2016 13:38:21	make[3]: *** [sub-canbusutil-make_first] Error 2
> 16-Feb-2016 13:38:21	make[2]: *** [sub-tools-make_first] Error 2

would be great if statically linked qt could somehow be compiled
regularly ... it breaks way too often :(

cheers,
tim