On Thu, Nov 4, 2010 at 4:29 PM, SK <s...@metrokings.com> wrote: > On Sat, Oct 30, 2010 at 8:31 AM, Alan W. Irwin > <ir...@beluga.phys.uvic.ca> wrote: >> On 2010-10-29 20:50-0700 mina adel wrote: >> >>> >>> Hi All >>> >>> I have an open source code that I use in my project. This open source code >>> already has Makefile coded for it. >>> >>> I want to use cmake so that before it compile my project it first call the >>> cmake of these open source code, which will compile it to .la library. >> >> ..make? >>> >>> Then using this library, it compile my code. >> >> I assume from the context you mean make rather than cmake above. >> >> To run make (or any command) at run-time, use the combination of >> add_custom_command and add_custom_target. Basically, >> add_custom_command creates an OUTPUT file (say your library) at run >> time, and add_custom_target file-depends on that file and creates a >> CMake target corresponding to the custom command which you can add as >> a dependency of your application target. This insures make will be run (if >> the library is not up to date) before your application is built. >> > > No, this does not work when the external command is a make process. > The problem is that the "output" of add_custom_command() is a target > with it's own dependencies. The external make process must always run > in order catch dependencies that only the external make knows about. > The only way to make sure the make process always runs is to use > add_custom_target(), but alas, add_custom_target does not allow us to > specify an output. > > See this thread from a few days ago: add_custom_command depends on > output from add_custom_target. > > As far as I know, there is no satisfactory way to do use external > makefiles with CMake. I'm all ears if anyone has suggestions. >
I filed a feature request for better external makefile support by way of output from add_custom_target() http://cmake.org/Bug/view.php?id=11407 How about for 2.8.4? _______________________________________________ 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
