[coyotos-dev] Build tree input wanted

[Valerio Bellizzomi]

On 21/02/2008, at 16.03, Jonathan S. Shapiro wrote:

>The current build process operates as follows:
>
>1. Input sources live in .../coyotos/src
>
>2. Intermediate files go in subdirectories named "BUILD/<target>/",
>   with the exception of the web tree, where intermediate files
>   typically go into the same directory as the source.
>
>   The web tree is designed to build and install "in place", mainly
>   because I could not figure out how to get relative links to
>   function correctly if I did it any other way, and being able
>   to browse the build locally in my tree is very useful.
>
>3. Output files go into
>
>     $(COYOTOS_ROOT)/host  -- stuff for the build host machine
>     $(COYOTOS_ROOT)/usr   -- stuff for the target machine
>
>At the moment, the default value of COYOTOS_ROOT is "the directory just
>above COYOTOS_SRC".
>
>I have been finding that I am making mistakes by pushing changes that
>work in one build and not in another. There seem to be two possible ways
>to fix that:
>
>  1. Write a script to do a grand build, overriding COYOTOS_ROOT
>     and COYOTOS_TARGET for each target.
>
>  2. Change the default value of COYOTOS_ROOT to be the [normalized]
>     value of either:
>
>       $(COYOTOS_SRC)/../$(COYOTOS_TARGET)/coyotos
>
>     This would allow multiple builds in the same tree, and it would
>     allow me to easily add some sort of "grand build" target to
>     the top level Makefile.
>
>The second mechanism is clearly simpler, but it is potentially confusing
>if you are already accustomed to the current build mechanism.
>
>
>
>Two questions for everyone:
>
>  1. Are there objections to changing the default output directory?

No objections.


vla