Michael Jackson wrote: > > On Feb 20, 2009, at 8:51 AM, Christian Ehrlicher wrote: > >> Michael Jackson schrieb: >>> >>> On Feb 20, 2009, at 4:59 AM, Eric Noulard wrote: >>> >>>> 2009/2/20 Christian Ehrlicher <[email protected]>: >>>>>> Von: Andreas Pokorny >>>>>> Hello, >>>>>> Wow that was fast. Thanks a lot. >>>> >>>> Obviously I was too fast reading the doc :-) >>>> >>>>>>> [...] >>>>>>> >>>>>>> SET_TARGET_PROPERTIES(PlatformLib PROPERTIES >>>>>>> DEFINE_SYMBOL USE_TRACER) >>>>>>> >>>>>>> Then you shouldn't have to ADD_DEFINITIONS and REMOVE_DEFINITIONS? >>>>>> >>>>>> >>>>>> I do not understand why.. but DEFINE_SYMBOL did not work, but >>>>>> COMPILE_FLAGS -DUSE_TRACER >>>>>> did. So SET_TARGET_PROPERTIES is the sledgehammer for getting it >>>>>> done :) >>>>>> >>>>> DEFINE_SYMBOL only works for shared libraries. see cmake >>>>> documentation: "DEFINE_SYMBOL sets the name of the preprocessor >>>>> symbol defined when compiling sources in a shared library." >>>> >>>> Thank you Christian >>>> ...for reading the doc more carefully than I do :-) >>>> >>>> >>>> -- >>>> Erk >>>> >>> >>> and I _think_ that DEFINE_SYMBOL only will work on windows as it is >>> there to facilitate the dllImport/dllexport functionality used by >>> windows for exporting/importing symbols from shared libraries. >>> >>> I may be wrong on that as I am going on memory at this point. >>> >> This is wrong - you've a similar option with gcc - the visibility >> attribute. >> >> >> Christian > > Yep. you are correct. I was away from my machine and so was obviously > remembering things in-correctly. > > Mike for anybody later googleing this thread with a question about gcc visibility and msvc import/export I've managed to implement this http://gcc.gnu.org/wiki/Visibility in cmake for windows and gcc on linux. I get the same behavior on both platforms. > > _______________________________________________ > 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 >
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