[Cmake] Autological Makefiles

[Bill Hoffman]

The way to do this is to do this:

# this is what people get when they just type make
default_target:
    make makefile    # first make sure the makefile is up-to-date 
    make all         # now rerun make for the all target, if the makefile was
                     # regenerated, it will now be re-read

# this is the all target
all: the real targets


At 01:21 PM 6/4/2001 +0100, John Biddiscombe wrote:
>The Unix Makefile Generator creates rules for itself!
>
>This is quite sensible and clever, because if the cmakelists.txt etc is newer than the makefile it'll run cmake and regenerate itself.
>
>Question:
>Does the make abort itself, and re-execute with the new makefile automatically (even on windows?), or does one need to insert a "Stop", then "Restart" mechanism by hand.
>
>It would be fine to do
>makefile : cmakelists.txt ....
> echo. This makefile is out of date and has been regenerated, please rerun make
> some "abort" command here
>
>but if it can be made to resart automatically, it'd be better.
>
>How does one handle this?
>
>thanks
>
>JB
>
>
>
>
>_______________________________________________
>Cmake mailing list
>Cmake at public.kitware.com
>http://public.kitware.com/mailman/listinfo/cmake