Thanks a lot for the answers. Indeed, I already knew this macro, but I thought that since this visibility macro turns out to be always the same thing in every project, CMake would have it built in. I can't see why this is not the case yet.
Well, back to #defines... Thanks again, Hilton On Tue, 9 Feb 2010 08:29:36 -0500 Mike Jackson <mike.jack...@bluequartz.net> wrote: > http://www.cmake.org/Wiki/BuildingWinDLL > > _________________________________________________________ > Mike Jackson mike.jack...@bluequartz.net > BlueQuartz Software www.bluequartz.net > Principal Software Engineer Dayton, Ohio > > > > On Tue, Feb 9, 2010 at 8:25 AM, Pau Garcia i Quiles > <pgqui...@elpauer.org> wrote: > > Hello, > > > > You are doing it wrong. You need to create a header file > > (myproject_exports.h, for instance) following > > http://gcc.gnu.org/wiki/Visibility . If you call your visibility > > macro target_EXPORTS, you do not need to modify the value of > > DEFINE_SYMBOL at all, CMake will automagically make use of it. You > > only need to do set_target_properties( target PROPERTIES > > DEFINE_SYMBOL my_visibility_macro ) if you want to use a different > > name for the macro (usually because it is an already-existing > > project which you are converting to CMake). > > > > On Tue, Feb 9, 2010 at 1:25 PM, Hilton Medeiros > > <medeiros.hil...@gmail.com> wrote: > >> Hello, > >> > >> From what I read and understood this DEFINE_SYMBOL property should > >> be defined like this (or something like this): > >> > >> On Windows, as shared library: target_EXPORTS=__declspec(dllexport) > >> On Linux, as shared library: > >> target_EXPORTS=__attribute__((visibility("default"))) > >> > >> > >> So that I can use this symbol like this: > >> > >> class target_EXPORTS ExampleClass {...}; > >> > >> > >> But on my machine (Linux, gcc) while building a shared library, > >> with CMake 2.8.0, I'm getting the error below because CMake is > >> defining this property with -Dtarget_EXPORTS=0: > >> > >> error: expected identifier before numeric constant > >> > >> What am I missing? > >> > >> Kind regards, > >> Hilton > >> _______________________________________________ > >> 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 > >> > > > > > > > > -- > > Pau Garcia i Quiles > > http://www.elpauer.org > > (Due to my workload, I may need 10 days to answer) > > _______________________________________________ > > 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 > > _______________________________________________ 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
