On Wed, 2009-12-16 at 09:28 -0800, Tyler Roscoe wrote: > On Wed, Dec 16, 2009 at 05:55:54PM +0100, Olivier Pierard wrote: > > In order to be able to use a macro/function from several sub-folders, I > > would like to define it only once in the main CMakeLists.txt. However, > > after some basic tests, It seems impossible to call this macro/function > > from subfolders. Is is possible to do it ? > > It works for me. > > > By the way, what's the basic difference between macro/function in cmake > > ? Related to preprocessing like in C/C++ ? What's the advantage of > > distinguish them here ? > > The details are in the docs, though you have to read carefully to > notice. I think the biggest difference is that the contents of a macro > are dropped in, as though with #define. Functions are an actual function > call and functions have their own scope. > > tyler
Another important difference is that, for functions, ARGV and ARGN and ARGVn (n=1..) are real variables that have local scope. Best regards, Marcel Loose. _______________________________________________ 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
