How to How the Compilation Arch inside Qt

dcbasso

I trying to create a generic "About dialog", and I want to show on the label a information about the arch of app compilation (like 32bits, 64bits, x86 or x86_64...)...
It's possible to make something like this on Qt?
Thanks all.

dcbasso

Anyone?!

tobias.hunger

QSysInfo::WordSize has the word size of the platform.

Wilk

Hello.
I guess there is one way to achieve what you want. But it may be to difficult. Add new compilation step:

Get output of GCC

Parse it

Put results into some header file

Include this file into you project

???

PROFIT

But I realy don't know how to make it, but I didn't ever try.

dcbasso

Thanks all.

QSysInfo::WordSize!

imoir

To be precise Tobias, QSysInfo::WordSize() gives you the compiled size. Here is some code I use in Windows to find if a 32 bit app is running in an enviroment that supports 64 bit apps:

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int osPointerSize = QSysInfo::WordSize;
if ( osPointerSize == 32 ) {
BOOL bIsWow64 = FALSE;
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process =
(LPFN_ISWOW64PROCESS) GetProcAddress(GetModuleHandle
(TEXT"kernel32")), "IsWow64Process");
if ( fnIsWow64Process != NULL ) {
if ( !fnIsWow64Process(GetCurrentProcess(), &bIsWow64) ) {
QMessageBox::warning(this, tr("System error"),
tr("Failed find WOW process"));
} else if ( bIsWow64 ) {
osPointerSize = 64;
}
}
}
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