Yep CMAKE_SIZEOF_VOID_P will be 4 if you've chosen a generator like "Visual Studio 9.0 2008", and 8 if you've chosen "Visual Studio 9.0 2008 Win64"
Ryan On Sat, Feb 12, 2011 at 11:41 AM, Dominik Szczerba <[email protected]>wrote: > Quite right. > > So you claim that on Windows CMAKE_SIZEOF_VOID will tell me the > *target* build system, not the physical one, while it will mach > CMAKE_SYSTEM_PROCESSOR if the both are the same? > > Many thanks for the clarification. > > Dominik > > On Sat, Feb 12, 2011 at 6:34 PM, Ryan Pavlik <[email protected]> wrote: > > CMAKE_SIZEOF_VOID_P will tell you the difference between target > bit-widths: > > 8 (for 64 bit) vs 4 (for 32 bit) - remember that just because you're > running > > on a 64-bit system doesn't mean you're compiling a 64-bit binary. > > Ryan > > > > On Sat, Feb 12, 2011 at 11:29 AM, Dominik Szczerba <[email protected] > > > > wrote: > >> > >> OK, got it experimentally. You have > >> > >> CMAKE_SYSTEM_PROCESSOR > >> > >> But wait, is the description below correct? > >> > >> http://www.cmake.org/Wiki/CMake_Useful_Variables > >> > >> Opposed to the explanations there, which I saw, but took as not what I > >> need, on my systems it amounts to i686 and x86_64, exactly what I > >> need. > >> > >> Dominik > >> > >> On Sat, Feb 12, 2011 at 6:19 PM, Dominik Szczerba <[email protected] > > > >> wrote: > >> > Hi, > >> > > >> > I can't really find a clear solution in google: how would one go about > >> > detecting if the system is 32 or 64 bit? There are UNIX, WIN32 etc. > >> > flags, but nothing really for the architecture. > >> > > >> > Thanks a lot, > >> > Dominik > >> > > >> _______________________________________________ > >> Powered by www.kitware.com > >> > >> Visit other Kitware open-source projects at > >> http://www.kitware.com/opensource/opensource.html > >> > >> Please keep messages on-topic and check the CMake FAQ at: > >> http://www.cmake.org/Wiki/CMake_FAQ > >> > >> Follow this link to subscribe/unsubscribe: > >> http://www.cmake.org/mailman/listinfo/cmake > > > > > > > > -- > > Ryan Pavlik > > HCI Graduate Student > > Virtual Reality Applications Center > > Iowa State University > > > > [email protected] > > http://academic.cleardefinition.com > > Internal VRAC/HCI Site: http://tinyurl.com/rpavlik > > > -- Ryan Pavlik HCI Graduate Student Virtual Reality Applications Center Iowa State University [email protected] http://academic.cleardefinition.com Internal VRAC/HCI Site: http://tinyurl.com/rpavlik
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