> -----Original Message----- > From: Eric Noulard [mailto:eric.noul...@gmail.com] > Sent: Wednesday, March 03, 2010 10:51 AM > To: Smith Jack (Ext. - UGIS - UniCredit Group) > Cc: cmake@cmake.org > Subject: Re: [CMake] Supressing Make, but not Generators > > 2010/3/3 Smith Jack (Ext. - UGIS - UniCredit Group) > <jack.smith.ext...@unicreditgroup.de>: > > > > > >> -----Original Message----- > >> From: cmake-boun...@cmake.org > >> [mailto:cmake-boun...@cmake.org] On Behalf Of J Decker > >> Sent: Wednesday, March 03, 2010 9:34 AM > >> To: cmake@cmake.org > >> Subject: Re: [CMake] Supressing Make, but not Generators > >> > >> You can test for platform flags.. > >> > >> if( win32 ) > >> add_subdirectory( these_compile ) > >> #... > >> endif( win32 ) > >> > >> .... > >> > >> or add specific options that can be checked > >> > >> http://www.cmake.org/Wiki/CMake_Useful_Variables > > > > Thanks , but that doesn't solve the problem. If I > conditionally include a sub directory, then the generator > will not be run against the project in that subdirectory. > > > > I want to generator (VisualStudio/Eclipse/whatever) to > always run so that I may always see the entire project > hierarchy within my development environment, but the > generated makefile to perform a platform test to see if it > should build the target. > > > > Is this possible. > > I don't think it is possible. > > You want to export usual "CMake-time" decision to > "Build-time", the specific platform check are not meant to be > exported at build time. > > I'm not even sure it would be wise to try to do it (in the > general case) because with add_custom_command/target you may > be trying to execute platform specific executable on the
> wrong platform. > > I think the "EXCLUDE_FROM_ALL" proposed by Hendrik and > explained by Michael is the best way to go. > > What to compile will NOT be decided at Build time but you'll > be able to browse the code. > > The CMake design is something like "one build tree for one platform" > what you ask for is more like "dynamic build tree for several > platform". > > As a side note I did cross some time ago a build system based > on hand-written re-entrant GNU makefile which supported the > scheme you described. > I was nice but not that easy to maintain compared to a CMake > build system. > > All of this is off course my own point of view :-) > > -- > Erk > Membre de l'April - « promouvoir et défendre le logiciel > libre » - http://www.april.org > Thanks for the response. I think Michael's solution fits my needs (although I haven't yet tested it.) Jack _______________________________________________ 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
