[Interest] Running Qt 5 Application on WinXP

[Duane]

On 7/8/2014 1:54 PM, Ian Monroe wrote:
> On Tue, Jul 8, 2014 at 10:24 AM, Duane <duane.hebert at group-upc.com> wrote:
>> I have an application built with VS 2012 (with the tool chain XP
>> support) using Qt 5.3.  It runs fine on Windows 7 and 8.
>>
>> When I try to run it on a box with WinXP I get the error "Procedure
>> entry point GetTickCount64 could not be loaded in KERNEL32.DL"
>>
>> Any suggestions?
>
> And you aren't calling this function yourself?
>
> ian at togarashi:~/srcs/qt-everywhere-opensource-src-5.3.1> grep -R
> GetTickCount64 .
> ./qtbase/src/3rdparty/sqlite/sqlite3.c:  { "GetTickCount64",
> (SYSCALL)GetTickCount64,          0 },
> ./qtbase/src/3rdparty/sqlite/sqlite3.c:  { "GetTickCount64",
> (SYSCALL)0,                       0 },
> ./qtbase/src/3rdparty/sqlite/sqlite3.c:#define osGetTickCount64
> ((ULONGLONG(WINAPI*)(VOID))aSyscall[70].pCurrent)
> ./qtbase/src/3rdparty/sqlite/sqlite3.c:    ULONGLONG cnt = osGetTickCount64();
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:typedef ULONGLONG
> (WINAPI *PtrGetTickCount64)(void);
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    static const
> PtrGetTickCount64 ptrGetTickCount64 = &GetTickCount64;
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    static
> PtrGetTickCount64 ptrGetTickCount64 = 0;
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    // try to get
> GetTickCount64 from the system
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    ptrGetTickCount64
> = (PtrGetTickCount64)GetProcAddress(kernel32, L"GetTickCount64");
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    ptrGetTickCount64
> = (PtrGetTickCount64)GetProcAddress(kernel32, "GetTickCount64");
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    if (ptrGetTickCount64)
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:        return
> ptrGetTickCount64();
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    //
> ptrGetTickCount64 is always set on WinRT but GetTickCount is not
> available
> ./qtbase/src/corelib/tools/qelapsedtimer_win.cpp:    return ptrGetTickCount64();
> ./qtsensors/src/plugins/sensors/dummy/dummycommon.cpp:    return
> GetTickCount64();
>
>
> It looks like QElaspedTimer uses it, but in a manner that falls back
> to GetTickCount when it isn't available. Do you use the dummy sensor
> plugin? ;)
>


I'm not calling it myself.  I'm not using the dummy sensor plugin.  This 
is a simple app that connects to another controller over a serial port 
and copies some recipe files.  I'm using Qt5Widget, Qt5Core, Qt5Gui and 
Qt5SerialPort.