Never mind, found it.
developer@developer-U18-64-VirtualBox:~/Qt/5.12.0/Src$ find . -name
'*.h' -exec grep -l 'define QT_POINTER_SIZE' {} \;
./qtbase/src/corelib/global/qprocessordetection.h
^C
developer@developer-U18-64-VirtualBox:~/Qt/5.12.0/Src$ browse
qtbase/src/corelib/global/qprocessordetection.h
/*
Size of a pointer and the machine register size. We detect a
64-bit system by:
* GCC and compatible compilers (Clang, ICC on OS X and Windows)
always define
__SIZEOF_POINTER__. This catches all known cases of ILP32 builds
on 64-bit
processors.
* Most other Unix compilers define __LP64__ or _LP64 on 64-bit mode
(Long and Pointer 64-bit)
* If Q_PROCESSOR_WORDSIZE was defined above, it's assumed to match
the pointer
size.
Otherwise, we assume to be 32-bit and then check in qglobal.cpp
that it is right.
*/
#if defined __SIZEOF_POINTER__
# define QT_POINTER_SIZE __SIZEOF_POINTER__
#elif defined(__LP64__) || defined(_LP64)
# define QT_POINTER_SIZE 8
#elif defined(Q_PROCESSOR_WORDSIZE)
# define QT_POINTER_SIZE Q_PROCESSOR_WORDSIZE
#else
# define QT_POINTER_SIZE 4
#endif
As long as we are using GCC it should work.
Sorry to bother.
--
Roland Hughes, President
Logikal Solutions
(630) 205-1593
http://www.theminimumyouneedtoknow.com
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