On Mon, Jan 17, 2011 at 11:27 AM, Michael Jackson < [email protected]> wrote:
> > On Jan 17, 2011, at 1:23 PM, Eric Noulard wrote: > > > 2011/1/17 Michael Jackson <[email protected]>: > >> I have the following code: > >> > >> if ( "${CMAKE_SIZEOF_VOID_P}" EQUAL "8" ) > >> set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-Win64") > >> elseif( "${CMAKE_SIZEOF_VOID_P}" EQUAL "4" ) > >> set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-Win32") > >> else() > >> set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-Unknown") > >> endif() > >> > >> I properly generate VS 2008 Win64 projects. Everything builds fine. When > I build the "PACKAGE" project I get a zip file with "-Unknown" in the name. > This will usually configure OK the first time or so, ie, I get a Zip file > name with "-Win64" but after a few more configs this seems to revert back to > "Unknown". Searching the "CMakeCache.txt" file for "CMAKE_SIZEOF_VOID_P" > comes up empty. Is this some sort of temporary variable? > > > > Shouldn't be "temporary" just "not in cache". > > > >> Do I need to store it in my own cache variable somewhere? > > > > I don't think you should. > > Looks like a bug to me, how come CMAKE_SIZEOF_VOID_P > > would it be defined "sometimes" but not **always**... > > > > need to dive into the source of this definition, may be it is not always > > defined because it is "indirectly" defined in the chain of CMake > processing due > > to CMake cache. > > > > By the way shouldn't you use > > > > if (CMAKE_SIZEOF_VOID_P EQUAL 8) > > > > instead of > > > > if ( "${CMAKE_SIZEOF_VOID_P}" EQUAL "8" ) > > > > from the doc I think EQUAL is for values whereas STREQUAL is for string. > > > > > > -- > > Erk > > Membre de l'April - « promouvoir et défendre le logiciel libre » - > > http://www.april.org > > It seems like if I start with a clean build directory then > CMAKE_SIZEOF_VOID_P will be the proper value for the environment I am > running in. But then after a while (many runs of CMake) the value seems to > get "lost" or otherwise is NOT in the cache any longer. Kind of odd really. > > You are probably right about the improper use of the "if" command. I never > really know which one to use and when something does not work when I _think_ > it really *should* work then I start trying all sorts of stuff. > > Maybe someone else has some ideas as to why CMAKE_SIZEOF_VOID_P might not > be defined. > ___________________________________________________________ > Mike Jackson www.bluequartz.net > > > _______________________________________________ > 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 > I've also seen this, and I would appreciate if anyone else who experiences this could chime in, so that we might be able to start profiling situations where this comes up. I don't remember how I fixed the problem last time, though. James
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